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We All May Have a Little Martian In Us

coondoggie writes "Men are supposed to be from Mars as John Gray's iconic relationship book would have you think, but new research presented this week suggests that in reality; we all may hail from the Red Planet. 'The evidence seems to be building that we are actually all Martians; that life started on Mars and came to Earth on a rock. It's lucky that we ended up here nevertheless, as certainly Earth has been the better of the two planets for sustaining life. If our hypothetical Martian ancestors had remained on Mars, there might not have been a story to tell,' Professor Steven Benner of The Westheimer Institute for Science and Technology said."

168 comments

  1. slow news day by slashmydots · · Score: 3, Insightful

    So it's a slow news day wherever this was written. It seems they pull this recycled article out of the garbage somewhere every couple months. Yes, we "might" be from Mars. That isn't news. I think I saw a special on it on TV in 1998.

    1. Re:slow news day by oodaloop · · Score: 5, Insightful

      Yes, let us never speak of this again, regardless of whatever new evidence is found! Evar!

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    2. Re:slow news day by Anonymous Coward · · Score: 0

      Not to mention that typically "martian" is used to refer to hypothetical sentient beings from mars. First time I've ever seen it used to refer to bacteria. The summary is trying very hard to make it sound like there was some beings that came from mars from which we evolved, which is a far cry from the evidence the article discusses.

    3. Re:slow news day by icebike · · Score: 2, Interesting

      Yes, let us never speak of this again, regardless of whatever new evidence is found! Evar!

      New evidence? What evidence, new or old?

      We haven't even set foot on mars, yet we have had pronouncements that this or that rock found here or there clearly came from mars.
      An entire Galaxy ignored, an entire Solar system looked over, Vast Oort Clouds discounted, and a gazillion asteroids hand waved away.
      But by god this rock couldn't POSSIBLY been from anywhere but mars!!

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    4. Re:slow news day by girlintraining · · Score: 4, Informative

      So it's a slow news day wherever this was written. It seems they pull this recycled article out of the garbage somewhere every couple months. Yes, we "might" be from Mars. That isn't news. I think I saw a special on it on TV in 1998.

      Actually, the "we came from Mars" thing has been around since the 1600s, ever since we observed there were other planets and imagined life on them. Of course, back then, we burned people at the stake for such ideas... whereas today it's just a piece of pleasant fiction written for a hot summer day.

      I guess that's progress.

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    5. Re:slow news day by oodaloop · · Score: 5, Insightful

      Um, it does say "new research" in the first sentence of both TFS and TFA. True, we have not yet set foot on Mars. But are suggesting this means there is NO EVIDENCE from Mars? Besides which, if a rock matches the chemical composition from our nearest neighbor, it kind of narrows things down. Maybe these scientists know a thing or two about what they're doing.

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    6. Re:slow news day by rahvin112 · · Score: 3, Interesting

      The life we know needs certain things, in particular liquid water. That exists very few places. Mars is proven at this point to have had liquid water in the past, none of the other places has.

      On the other hand the force necessary to hurl a chunk of mars off the planet would likely kill even microscopic life in the containing object. I find it silly that people are suggesting that could happen. I imagine that an impact of significant enough magnitude to eject rocks from the surface into space would liquify the rocks (and thus killing everything on them) before they were ejected into space. Even if it didn't liquify them they would be heated to thousands of degrees by the instantaneous change in velocity needed to reach exit velocity. Even if you could come up with some bizarre circumstance that could get life bearing rocks into space the radiation between earth and mars would kill almost anything that wasn't 10's or 100's of feet buried in rock. So eve if it's survives the exit and is buried deep enough to survive the journey what on earth sustains it for the journey? It's not like it would have packed a knapsack. Even with food the temperatures would be near zero and very little life can survive being frozen.

      To me what kills the idea is just how impossible the odds are. You have several near impossibilities all combined to move life from one planet to another.

    7. Re:slow news day by Horshu · · Score: 1

      It's an easy way to get one's name in the news.

    8. Re:slow news day by tibit · · Score: 3, Interesting

      very little life can survive being frozen

      On the contrary, and Samantha Wright please correct me if I'm wrong, but I'd think a whole big hunking lot of single-cellular life can in fact survive being frozen. I mean, come on, human fucking sperm even does. Never mind that frozen life is well, frozen. While the DNA repair mechanisms are dormant, so are the copying mechanisms. Bacteria can live quite deep within porous rocks. I'm not exactly sure if it's really necessary for ejecta to be always heated up to sterilization. Now I'm not saying that this little life-from-Mars theory has got any legs to stand on just yet, but your arguments don't really do much to discount it, I don't think.

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    9. Re:slow news day by icebike · · Score: 2, Insightful

      Chemical composition?

      Really? We have that mapped out for the entire planet do we?
      How many other rocky bodies have a similar composition mapped out?

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    10. Re:slow news day by AnfieldSierra · · Score: 1

      And why the f#*k would it be more likely that life started on Mars than here on Earth ? I mean for what possible reason would it make sense that life began somewhere else and was then magically transported here through the cold vacuum of space. Mars hardly had the ideal environment to bootstrap life, even hundreds of millions of years ago, and especially when compared to early Earth.

      We know that here on Earth, all the necessary building blocks were in place and that conditons were right for basic proteins to form, and from there we just mix it all together in the pot for a few million years and *bazinga*... life!

      I get really frustrated whenever I read (fairy) stories about life originating on some extra-terrestrial body (comet, asteroid, planet) because even if (against the massively implausible odds) it originated elsewhere, it must have started there by the exact same mechanisms as postulated for life beginning on Earth. Occams razor says enough for me. Eveyone else is just looking for grant funding.

      If you want to suggest that life originated somewhere else, you need to convince me that it couldn't have equally plausibly started here too.

    11. Re:slow news day by Longjmp · · Score: 3, Interesting

      To be fair, you are certainly correct about the freezing part.
      However, GP's other points remain valid. Not much survives the heat of an impact, even less (molten) debris ejected into space. Simple organic molecules are destroyed easily with heat (and radiation), not even talking about (primitive) life forms.
      As for the article, we can safely assume that probability of life originating from Mars is about the same as amino acids from "outer space" hitting the earth - or the remains of FSM's tomato sauce.
      In other words, pure fantasy.

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    12. Re:slow news day by Anonymous Coward · · Score: 1

      Maybe you should look into why such rocks are thought to be from Mars and why other planets are discounted, instead of just assuming the vague summaries in popsci news stories are all there are to it. There are some pretty strong correlations to planetoids formation distance from the Sun and various isotropic ratios. Additionally, specific isotropic ratios give timing of things like when the rock was last molten and how long it had been traveling in space away from a planet surface. While it is still possible the origins are different than suspected, the amount of luck or coincidence required makes the unlikely situation of being blasted off a planet and landing here seem relatively easy.

    13. Re:slow news day by Immerman · · Score: 1

      Well, the title certainly is a bit sensationalistic. But really isn't that the heart of all but the most crackpot life-came-from-Mars theories? One or more single-celled beings came from Mars a few billion years ago, and then all life on Earth evolved from them.

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    14. Re:slow news day by Anonymous Coward · · Score: 1

      RTFA. See the part about the mineral form that doesn't exist on Earth ?

    15. Re:slow news day by Immerman · · Score: 1

      Here's an idea, RTFA where they explain their reasoning behind why Mars may have been a more hospitable place for life to have first evolved.

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    16. Re:slow news day by Maritz · · Score: 2

      There are rocks that are broadly accepted to be martian because they have isotopic ratios that are consistent with each other and not consistent with the Earth. They also have a consistency with measurements from Mars e.g. Viking, Phoenix. There is also an ability to determine roughly how long the rock spent in space from the effects of cosmic rays.

      I don't pretend to know all the details but it's more compelling than this argument from personal incredulity that you appear to be making.

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    17. Re:slow news day by icebike · · Score: 4, Interesting

      And not that many years ago, the FBI insisted their scientists could tell you if the bullet that killed someone came out of the same box of bullets found in the suspects house, based on a spectral analysis of the lead in the bullet.

      They had a whole bunch of scientists willing to swear to this in court under oath.
      And it all turned out to be utter and complete bullshit. More than one defendant got out of prison on that one.

      You can not know the origin of a random rock from outer space that lands someplace on earth. You can't even tell with certainty where a random rock from earth originated.

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    18. Re:slow news day by murdocj · · Score: 2

      I RTFA. They didn't mention the part about how the sun was dimmer billions of years ago. Which makes Mars a much less likely spot for life to evolve than Earth. It's interesting speculation but needs way, way more evidence.

    19. Re:slow news day by ColdWetDog · · Score: 3, Insightful

      People have made credible arguments for survival of micro organisms in large chunks of rock. The rock acts as an ablative shield - pieces burn off and protect the rest of the rock by transferring heat. Episodes such as the Late Heavy Bombardment could have dumped enormous chunks of planetary remains on other planets. An organism safely ensconced in meters of rock might well survive the trip.

      The molybendum part I'm a bit concerned about. Sounds like a huge leap but I'm unable to come up with a copy of the lecture so all we have is this near useless summary. Remember, this guy is one of the founders of synthetic biology and has been mentioned as a candidate for a Nobel Prize. That doesn't mean he's right by any means, but he's liable to have put a bit more thought into this than the hive mind here.

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    20. Re:slow news day by Livius · · Score: 1

      It just takes one bacterium.

    21. Re:slow news day by Anonymous Coward · · Score: 0

      Al Gore and Barak Obama have won Nobel prizes, this guy has only been mentioned as a candidate. Hell Ted Nugent has been mentioned as a candidate, admittedly the people talking about it were drunk, but he was mentioned.

    22. Re:slow news day by Dcnjoe60 · · Score: 1

      very little life can survive being frozen

      On the contrary, and Samantha Wright please correct me if I'm wrong, but I'd think a whole big hunking lot of single-cellular life can in fact survive being frozen. I mean, come on, human fucking sperm even does. Never mind that frozen life is well, frozen. While the DNA repair mechanisms are dormant, so are the copying mechanisms. Bacteria can live quite deep within porous rocks. I'm not exactly sure if it's really necessary for ejecta to be always heated up to sterilization. Now I'm not saying that this little life-from-Mars theory has got any legs to stand on just yet, but your arguments don't really do much to discount it, I don't think.

      We have found microbes that can survive frozen. We have found microbes that can live in toxic environments to every other life form on earth. We have found microbes that can survive in each of the conditions the OP mentions. What we have not found are microbes that could survive in all of those environments that would be required to get from Mars to Earth and the changes involved would happen so quickly its unlikely there would be time for any kind of evolution or adaptation to occur.

      In short, for life to originate on Mars and make it to Earth from debris being blasted into space would mean that whatever life happened to be on those rocks would need all of those adaptions for the various transition states the trip would require. That, in itself, seems much less likely than whether life ever existed on Mars.

    23. Re:slow news day by Maritz · · Score: 3, Interesting

      And not that many years ago, the FBI insisted their scientists could tell you if the bullet that killed someone came out of the same box of bullets found in the suspects house, based on a spectral analysis of the lead in the bullet.

      Non sequitur. Did anyone claim the lead was not from Earth?

      They had a whole bunch of scientists willing to swear to this in court under oath. And it all turned out to be utter and complete bullshit. More than one defendant got out of prison on that one.

      Non sequitur. Don't care.

      You can not know the origin of a random rock from outer space that lands someplace on earth. You can't even tell with certainty where a random rock from earth originated.

      You can't know anything with certainty. So what. They make arguments, and I find theirs compelling whereas I find yours more akin to ignorance mongering.

      To clarify, I don't think life originated on Mars. I do think it's reasonable to think that meteorites identified as being from Mars are from there, mainly because of ratios of gases found in the rocks lining up with the composition of the Martian atmosphere (e.g. here). If you don't think that's reasonable then fine, but if I were to bet it wouldn't be your way.

      That's about all I have to say it on it. Thanks ;)

      --
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    24. Re: slow news day by arth1 · · Score: 1, Flamebait

      So you're saying science and scientists are totally untrustworthy.

      Of course they are. In today's scientific climate of "publish or die", that can pretty much be taken for a given. The nature of scientific theories allows others to verify the findings, but few are going to get attaboy from their sponsors for "merely" verifying what others discovered, so there's not nearly enough work on that.
      So yes, there are quite a bit of BS out there. Some of it will persist for a while, but eventually most everything will be well verified or refuted. But not immediately, not today.

    25. Re:slow news day by Oligonicella · · Score: 1

      RTFA yourself. He doesn't say oxidized molybdenum doesn't exist on Earth (it does). Or, to quote The International Molybdenum Association in its Background Chemistry of Molybdenum (para Oxidation states)
      "In its compounds molybdenum exhibits all oxidation states from -II to V1"

      He states (with no support) that it couldn't have at that time and that Mars did and that further, it was necessary for life to form. All conjecture.

    26. Re:slow news day by Anonymous Coward · · Score: 0

      Really? We have that mapped out for the entire planet do we?

      Actually we have some really wide spread mapping efforts of various isotropic ratios. As with almost anything in science, we've not tested every rock, and there was even a surprise not too long ago where rocks on the surface were found to have a ratio outside the normal range. Although that difference was small compared to the difference seen in some examples of meteors or other changes that happen over long time scales. Some of it also comes down to simple chemistry, in that some of the isotopes decay from elements that are chemically soluble in only certain kinds of minerals in certain conditions. To get some of that wrong would suggest that decay chains are not what we expect, or some basic chemistry is off, which would have much bigger implications than the identify of a 100 or so meteorites.

    27. Re: slow news day by Oligonicella · · Score: 2

      No, he's not saying that. Thanks for the straw.

    28. Re: slow news day by barlevg · · Score: 4, Insightful

      Actually, how science usually works is that someone uses those results in their own research. And if the new results don't jive, one of the first steps is to verify the old research. If the old research can't be verified, they can publish and make a name for themselves out of refuting the previous work.

    29. Re:slow news day by FatdogHaiku · · Score: 2

      I agree! I have it on good authority that we started "A long time ago in a galaxy far, far away..." and I'm pretty sure that Marlon Brando was involved in sending higher life to this planet...
      I may have paraphrased some of that...

      --
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    30. Re:slow news day by corrosive_nf · · Score: 2

      Ever heard of Deinococcus radiodurans?

    31. Re:slow news day by b4dc0d3r · · Score: 2

      crazy people believing what turns out to be evidentially supported does not invalidate the evidence.

      crazy people stumble on truth frequently, but the signal to noise ratio is abysmal. best to ignore them, but no need to discount them unless you impartially evaluate each claim.

    32. Re:slow news day by symbolset · · Score: 3, Informative

      Waterbears can be dehydrated, frozen to only a few degrees Kelvin, and in that dehydrated frozen state withstand 100 g acceleration, hard vacuum and radiation without ill effect, on contact with liquid water reanimating. They can do so for at least a decade and thousands of years is not beyond reason. And that is not RNA, nor a bacterium. It is a complex animal. There are life forms that actually prefer extreme environments like this.

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    33. Re:slow news day by symbolset · · Score: 1

      Waterbears. That wasn't even hard.

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    34. Re:slow news day by symbolset · · Score: 2

      Life provably occured on Earth so soon after it was physically possible that it makes either the claim of unlikely abiogenesis or denial of panspermia implausible. It is an either/or but not and thing. Because of the time scales, biological processes and physics involved, either possible answer leads to panspermia. If Abiogenesis is this easy it must have occured and spread in the Milky Way so much in the 8 billion years before the sun was born that the whole place is thoroughly contaminated with life. If it is so hard, then this nearby more hospitable planet is more likely the source. For myself I prefer the former answer. Regardless of the answer Earth's life has had plenty of time to contaminate the entire galaxy, and perhaps nearby galaxies as well. Our ancestors have already been to the stars.

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    35. Re:slow news day by Gavagai80 · · Score: 1

      It's already conclusively established beyond reasonable doubt that early Mars was warm and wet. What does it matter that the sun was dimmer? Early life didn't do photosynthesis.

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    36. Re:slow news day by murdocj · · Score: 1

      Ah, it's settled then, life MUST have originated on that warm, wet Mars. Even though we have no idea how long it was warm, how long it was wet, or even any form of life ever appeared there. Congratulations.

    37. Re:slow news day by Dcnjoe60 · · Score: 1

      Waterbears. That wasn't even hard.

      I believe the article was talking about single cell organisms, but yes, tardigrades can survive boiling, freezing and vacuum. I wonder, though could they survive the 2800 degree F (hot enough to melt iron) temperature that would be involved on both leaving Mars and re-entering Earth's atmosphere? Then there is the cosmic radiation of such a trip and of course they would have to have existed on Mars at the time the chunk of rock was blown off it's surface and made it's way here.

      Not saying it couldn't have happened, but that would mean that any life on Mars would have developed significantly earlier than current estimates or the collision that blew off the chunk of rock happened a lot later and life on this planet is a lot younger (if Mars was the source).

    38. Re: slow news day by Agent0013 · · Score: 1

      Or they just make up a newer more complicated twist to the existing theories to patch the holes in them and continue on as ever before.

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    39. Re:slow news day by Anonymous Coward · · Score: 0

      Maybe these scientists know a thing or two about what they're doing.

      The scientists certainly know what they're doing. Journalists, OTOH, are morons. The scientists say that a meteor containing a mineral necessary for the creation of life may have come from Mars because that mineral is on Mars and not on Earth. Not that life started on Mars, but one of the NONLIVING MINERALS NEEDED came from Mars. This is not far fetched and makes perfect sense; the entire Earth was formed by asteroids, comets, dust, and all sorts of other things from outer space. Ultimately, everything on Earth was spewed out by stars.

      The science is fascinating. The journalism is atrocious.

    40. Re:slow news day by Agent0013 · · Score: 1

      Just last week I had to defend my farm from wandering waterbears. They even survived from multiple gunshots! They are very tough animals.

      --

      -- ssoorrrryy,, dduupplleexx sswwiittcchh oonn.. -Quote found on actual fortune cookie.
    41. Re:slow news day by Anonymous Coward · · Score: 0

      for me its not the re-entry that poses the biggest challenge. i could buy some "odds" that specs of dust or ablative pieces could survive re
      -entry. ...but being blown clear from mars and into a trajectory which could intersect with earth.... that seems fantastically impossible anything would survive that.

      now if their just talking we got some mineral's from mars. sure. that's possible, but inter-stellar space derbies is much more likely to give us more random elements.

    42. Re:slow news day by dywolf · · Score: 1

      Icebike exists to troll.
      Don't feed the trolls.

      --
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    43. Re:slow news day by Anonymous Coward · · Score: 0

      Yes, let us never speak of this again, regardless of whatever new evidence is found! Evar!

      There's no new evidence. He's come up with a new theory about some of the compounds which are needed for life to form. Since those compounds didn't exist on Earth during the period we think life showed up here, he has come to the brilliant conclusion that we MUST have come from Mars since it had those compounds. Ignoring the fact that other needed compounds were not present on Mars.

    44. Re:slow news day by Jmc23 · · Score: 1

      I'm pretty sure Jor-El took that all into consideration.

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    45. Re:slow news day by Jmc23 · · Score: 1

      Actually, the we came from Mars theory has been around for millenia in other cultures. The west is usually late to the table.

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    46. Re:slow news day by ignavus · · Score: 1

      Of course, back then, we burned people at the stake for such ideas...

      Can you name any actual historically verified case where a person was burned at the stake for thinking or saying that life came from Mars?

      Or is this just one more made up "fact" about another age of history and how superior we are today?

      --
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    47. Re:slow news day by girlintraining · · Score: 1

      Or is this just one more made up "fact" about another age of history and how superior we are today?

      First, who said we're any better today than back then? We're still killing people for cross-dressing right now, just like we were back then. If you can be killed just for how you dress, what makes you think the (heretical) idea that we came from Mars instead of from God is any less worthy of a human BBQ in the public square?

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    48. Re:slow news day by Anonymous Coward · · Score: 0

      I hear next year they're planning a "We might _not_ be from Mars" feature!

  2. Wouldn't we have evolved differently? by Anonymous Coward · · Score: 0

    I mean seriously. It's like all these scientists and writers have no imagination. Is't it within the realm of possibility that the red planet is very suited to the lifeforms that would have evolved there. All i ever read is how earthlike conditions are the only conditions that could possibly host any sort of evolved life.

    Give me the silicon-based lifeforms that see 800 degrees C as a nice, balmy day.

    1. Re:Wouldn't we have evolved differently? by Anonymous Coward · · Score: 1

      "It's like all these scientists and writers have no imagination."
      "Give me the silicon-based lifeforms that see 800 degrees C as a nice, balmy day."

      It isn't lack of imagination. It's that it has already been looked at, and the chemistry isn't promising. The diversity and complexity of silicon compounds is miniscule in comparison to carbon, among other reasons.

    2. Re:Wouldn't we have evolved differently? by Anonymous Coward · · Score: 0

      But what about the Kaiju? I for one welcome our trench transported, foam suit wearing, city destroying overlords.

  3. oxidize this by Anonymous Coward · · Score: 0

    Pretty speculative. Oxidized molybdenum is crucial for the formation of life? How could he possibly know that?

    1. Re:oxidize this by Anonymous Coward · · Score: 5, Funny

      Pretty speculative. Oxidized molybdenum is crucial for the formation of life? How could he possibly know that?

      It's required for bovine life, at least. After all, you can't have a cow without MoO!

  4. fossil fueled debate by themushroom · · Score: 1

    Gonna need proof there was life on Mars or that whatever life we have here somehow came from Mars.

    Meantime here on Earth we have people who ignore dinosaur bones and fern imprints as proof there was life before 4004 BCE.

    1. Re:fossil fueled debate by XxtraLarGe · · Score: 3, Funny

      Gonna need proof there was life on Mars or that whatever life we have here somehow came from Mars.

      I'm not saying it was aliens, but...

      --
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    2. Re:fossil fueled debate by b4dc0d3r · · Score: 1

      so the Noah flood story means animals traveled through space, and the end of "war of the worlds " was "great grandpa is that you?" which means Palin is automatically president, retroactively, and gays are illegal and fartbongo has to move back to Kenya.

      those guys at fox "news" make it trivial to follow this science stuf.

  5. I ain't descended... by joocemann · · Score: 3, Funny

    I ain't descended from no martian!

    Jeebus.

    1. Re:I ain't descended... by Tablizer · · Score: 1

      Worse, a Monkey Martian

    2. Re:I ain't descended... by Jmc23 · · Score: 1

      From the size of those testicles I'd definitely say Venusian!

      --
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  6. Yep by Anonymous Coward · · Score: 0

    "Evidence is building" - if you accept his hypothesis that molybdenum played a role in our origins.

    Another scientist flogging his pet theory, angling for his 15 minutes of fame.

    1. Re:Yep by Anonymous Coward · · Score: 1

      The world would definitely be a better place if all these "scientists" kept all their ideas to themselves!

      Disagree with his theory, but don't disagree with him telling people about it.

    2. Re:Yep by Oligonicella · · Score: 2

      He wasn't disagreeing with the expounding of the hypothesis(sic), he was mocking. There's a difference.

      Fantastical ideas with tenuous at best support deserve mockery.

  7. get your ass to mars by Joe_Dragon · · Score: 1

    get your ass to mars
    get your ass to mars
    get your ass to mars

    1. Re:get your ass to mars by Anonymous Coward · · Score: 0

      Let's go reclaim our birthright!

  8. Could have been Venus, for all we know by Burz · · Score: 2

    The sun used to be significantly dimmer billions years ago, maybe putting Venus firmly within the Goldilocks zone of habitability.

    1. Re:Could have been Venus, for all we know by Anonymous Coward · · Score: 0

      Venus gets its temperature mostly from volcanic activity and greenhouse gases, not directly the sun per se. Venus' atmosphere actually reflects 80% of the sun light that hits it.

    2. Re:Could have been Venus, for all we know by Burz · · Score: 1

      That's how Venus is today.

    3. Re:Could have been Venus, for all we know by Cro+Magnon · · Score: 1

      I thought Venus WAS at, or near the "Goldilocks zone". It's just all the CO2 clouds that mess that up, presumably from the ancient Venusions driving their SUVs.

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    4. Re:Could have been Venus, for all we know by Jmc23 · · Score: 1

      Yeah, the women were totally clueless about how that would run away from them when all they wanted was to keep their skin alabaster white.

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  9. Nanu Nanu by Anonymous Coward · · Score: 1

    Get your facts straight, us Orkans aren't from mars.

  10. Puloto demoted too early. by Anonymous Coward · · Score: 0

    This is BS. We are all from Pluto. Sad, that they demoted Pluto from planet status.

  11. Ugh by khallow · · Score: 3, Interesting

    So we don't have even a scrap of evidence that there was ever life on Mars, but evidence is "building" that we come from there. No, that's not science.

    And how are organic molecules going to turn into tar in the presence of ample water and little heat (such as the case on the surface)? He seems to have neglected that high levels of liquid water (yet another oxide, but one which was prevalent in the early Earth environment) also inhibits the formation of tar.

    The only argument against water as the tar-inhibitor agent is that it is "corrosive" to RNA. But which of these three compounds (including oxides of boron and molydenum) are currently found in living cells in quantity?

    1. Re:Ugh by Anonymous Coward · · Score: 0

      Well, we're not from Mars per se, but from the asteroid belt in between, which actually used to be another planet, where we're from...

    2. Re:Ugh by Anonymous Coward · · Score: 0

      Well, we're not from Mars per se, but from the asteroid belt in between, which actually used to be another planet, where we're from...

      I see a pattern here. We screwed up so bad that we had to leave our first planet, the asteroids between Mars and Jupiter, before it blew up. Then, trying not to repeat our mistake, we had to abandoned Mars for Earth after turning Mars into a water barren wasteland. What's next?

    3. Re:Ugh by Anonymous Coward · · Score: 0

      We move our water from earth to mars. duh.

  12. Dagnabit by the+eric+conspiracy · · Score: 2

    Now we are going to have a whole bunch of cults thinking the Garden of Eden is on Mars.

    I didn't need that.

    1. Re:Dagnabit by Sasayaki · · Score: 2

      On one hand, oh god, that is a terrible thought.

      On the other hand... if so, that could be a huge catalyst for space funding, if you could convince the Aramahic churches of the world that science says the Garden of Eden is on Mars, and we need to go back there, they could pour funds into sending humans there.

      That'd be an interesting idea for a short story, actually. A bunch of Mormons flying out to Mars to find the Garden of Eden.

      --
      Check out my sci-fi book "Lacuna" at http://goo.gl/MVxX8
    2. Re:Dagnabit by Anonymous Coward · · Score: 0

      Or... wait for it... Jews In Space!

    3. Re:Dagnabit by Anonymous Coward · · Score: 0

      Now we are going to have a whole bunch of cults thinking the Garden of Eden is on Mars.

      I didn't need that.

      Then again, the natives would have to accept the fact that we're all immigrants.

    4. Re:Dagnabit by Tablizer · · Score: 1

      Hey, let's convince the TeaParty of that, and buy them all a one-way ticket.

    5. Re:Dagnabit by m.alessandrini · · Score: 1

      Pilgrims' spaceship goes there and they give birth to USM (United States of Mars)

  13. Hypothesis by Anonymous Coward · · Score: 4, Informative

    This falls squarely into the category of Hypothesis. Professor Benner hasn't even found a way to test it yet. Therefore it falls into the subheading of Interesting Speculation but nothing more.

    Among the many, many things he would have to prove, and this is just for starters:

    1). "Oxidized molybdenum could not have existed on Earth in early Earth history." While it's widely accepted that the early Earth had low oxygen levels, it does not follow that oxidized molybdenum could not have existed. There are a couple of ways I can think of without even trying.

    2). "Oxidized molybdenum was essential to the formation of life." This is unproven.

    3). "Tar is antithetical to life." Well, tar exists now and so does life. Some organisms even consume tar. At any rate it seems overstated and rash to claim that the formation of tarlike compounds would prohibit the formation of life.

    4). "Mars was hospitable to the formation of life at that time while Earth was not." Really? How? They were far more alike than dissimilar. My argument is weak but so is Professor Benner's, and he's the one who has to prove his hypothesis.

    5). "O2 was essential to the creation of oxidized molybdenum, essential to life." This becomes a paradox. There is widespread agreement that high levels of O2 is indicative of life, not a precondition for it. If that were true, and oxidized molybdenum were essential to life starting, then life could not start to produce the O2 necessary for it's creation.

    6). "Transfer of life from Mars to Earth happened at the time observed in the archeological record." This will be a tough one to nail down. It's plausible but that's all.

    7). "Reverse seeding of life, from Earth to Mars, did not happen." This may be easier to support. Earth's gravity well is greater than Mars. However ruling it out will be extremely difficult.

    8). "The archeological record shows common morphology, and ideally common biology (including genetics) between Earth and Mars." This will have to wait on archeological data from Mars.

    I understand that my paraphrases of Professor Benner's position may not correctly reflect his true beliefs. If so, I await correction and will withdraw them as appropriate.

    1. Re:Hypothesis by jc42 · · Score: 5, Interesting

      7). "Reverse seeding of life, from Earth to Mars, did not happen." This may be easier to support. Earth's gravity well is greater than Mars. However ruling it out will be extremely difficult.

      Actually, some astronomers looked at this back in the 1970s, and concluded that at the bacterial level, Earth to Mars travel is fairly easy, and has almost certainly been going on since early in the Solar System's history.

      The mistake people are making is thinking that impacts ejecting rocks are the way that bacterial would make such trips. The astronomers examined and verified the effectiveness of an entirely different mechanism. The Earth (and all the planets with atmospheres) has a "cometary tail" produced by the solar wind. This tail is mostly gases, of course, but it also includes a small proportion of dust-like particles. It turns out that this includes bacterial spores, which have been found at all levels of the Earth's atmosphere, and have probably been there for a few billion years.

      The Earth's cometary dust tail is thin, but it is of interest to astronomers. Taking pictures through a haze of air and dust is more difficult than avoiding the air and dust, so some astronomers need to keep track of our planet's tail and avoid it when possible.

      Anyway, measurements back in the 1970s did show that the Earth's dust tail contains small particles the size of bacterial spores, and since they exist in our upper atmosphere, they are to be expected in the tail. How long they can survive in space isn't well understood, but tests in orbit have shown some rather good survival rates of the spores when exposed to conditions near our planet.

      So the solar wind has been pushing small quantities of Earth's air outward for a few billion years, and that includes assorted tiny dust particles and bacterial spores. This has to have "contaminated" all the outer planets with Earth's bacteria for all that time. Whether they've survived anywhere else isn't known, but Mars is the most likely place.

      Some of the astronomers have also calculated the spread of our dust tail outside the Solar System. Most of it does escape eventually, and gets lost out in interstellar space. We make an orbit around the galaxy roughly every 220 million years, so since life arose on Earth, we've been spraying the galaxy with our bacterial spores for around 15 to 20 orbits.

      How such spores survive out there, nobody knows, of course. But it's an interesting thing to consider when the "panspermia" hypothesis comes up. Any planet that develops bacterial life will, probably within a billion years or so, start spraying them out into the galaxy like we do, possibly contaminating any compatible planet anywhere else in the galaxy over the next few billion years.

      (I recently read somewhere an estimate, based on current measurements of the solar system's dust, the likelihood of spores from Earth hitting Earth-size planets around stars at various distances. The numbers were nonzero, but I took them all with a grain of salt -- also included in the dust -- since so little is known about the reality of interstellar space and the likelihood of a spore surviving a trip that may last a few million years.)

      --
      Those who do study history are doomed to stand helplessly by while everyone else repeats it.
    2. Re:Hypothesis by martinQblank · · Score: 1

      I see the basis for the next Zombie movie in that...

    3. Re:Hypothesis by Anonymous Coward · · Score: 0

      Thank you, I was not aware of this information. I'm the author of the grandparent post. Very interesting addition to the conversation.

      One of the unstated points I was trying to make was this. Let's assume that we find evidence of prehistoric life on Mars. It is morphologically similar to organisms on Earth, known or presumed to have existed at the relevant timeframe. That would be 3+ billion years ago.

      The problem here is causality. Did the Martian forms beget the Earthlings, or was it the other way around? And here's the sticky, ugly bit. What if neither caused the other?

      We know too little about how life started, and what the available paths to life plausibly are. If life obeys the non-privileged perspective rule then life on Earth is not "special". It's very possible that all early life is morphologically similar, for reasons that are fundamental.

      That's why I tacked on the bit about "genetic similarity". My guess is, if we could prove that Martian life used DNA or RNA, that strengthens the case for a causal relationship greatly.

      However even then... it's not quite proof now, is it?

  14. Quatermass and the Pit by tekrat · · Score: 2

    Or known is the USA as "Five Million Years to Earth", had this plot although a little more "out there" -- but it essentially claimed that we were all descended from Martians. They came here in a spaceship and integrated their DNA into the indigenous life-forms and presto, that's where we came from.

    BTW: If you've never seen this film, it scared the crap out of me as a kid. I didn't sleep for a week. It still sends chills down my spine.

    --
    If telephones are outlawed, then only outlaws will have telephones.
    1. Re:Quatermass and the Pit by Oligonicella · · Score: 1

      All I could find on IMDB was Five Million Miles to Earth, with Ymir the Venusian monster by Ray Harryhousen.

    2. Re:Quatermass and the Pit by Anonymous Coward · · Score: 0

      BTW: If you've never seen this film, it scared the crap out of me as a kid. I didn't sleep for a week. It still sends chills down my spine.

      Me too. Thanks Saturday morning Sci-Fi matinee. I was only brave enough to look it up on the internet a few years ago. The only detail that I remembered was ghosts while digging an extension for a subway.

    3. Re:Quatermass and the Pit by Oligonicella · · Score: 1

      Retracted. IMDB's search actually didn't find it, but DogPile did.

    4. Re:Quatermass and the Pit by RDW · · Score: 1

      Also check out the original BBC series from the 50s:

      https://www.youtube.com/watch?v=l7JY9xtpCxY

      Incredibly, most of it was performed live.

    5. Re:Quatermass and the Pit by srmalloy · · Score: 1

      Actually, the US-distribution release of "Quatermass and the Pit" was "Five Million Years to Earth".

    6. Re:Quatermass and the Pit by srmalloy · · Score: 1

      This also puts an odd spin on H. Beam Piper's "Paratime" stories, where humanity evolved on Mars and colonized Earth as the Martian environment became less and less hospitable, and the various 'bands' across the various timelines were categorized by how successful the colonization was -- First Level, where the colonization succeeded fully; Second Level, where there were collapses in civilization, but they retained their knowledge of their Martian origins; Third Level, where the colonization was mostly unsuccessful, with only a few shiploads of people reaching Earth and losing all memory of their origin; Fourth Level, where the colonization survivors lost all knowledge of their origins and believe that they evolved on Earth; and Fifth Level, where the colonization either failed or was never attempted.

  15. we also might be from by brillow · · Score: 2

    we also might be from Uranus, I'm sick of this zombie story.

    1. Re:we also might be from by Cro+Magnon · · Score: 1

      I'm sure the Klingons are.

      --
      Slow down, cowboy! It has been 4 hours since you last posted. You must wait another few hours.
  16. What else is new? by no-body · · Score: 1

    Our ancestors messed up Mars and after evolving to be able to do it again - there you go... Next planet goes bust and already looking to move on.

  17. This is... by Anonymous Coward · · Score: 0

    pretty far out there.

  18. It's this logic backwards? by Anonymous Coward · · Score: 0

    Saying that evidence shows we came from Mars is like saying cows originated from the grocery store. Sure, they (or some proteins from them) may have gotten there at some point, but that doesn't make it their origin.

  19. Do we have to have this story again? by wjcofkc · · Score: 1

    Seriously, posting the "we might be martians" story has become equivalent to trolling Slashdot. I would carry on about why the notion of Earth life coming from Mars is flimsy and fanciful to begin with, but we have had that discussion over and over. It's like Groundhog's Day - only not entertaining.

    --
    Brought to you by Carl's Junior.
  20. Plenty of oxygen by mschaffer · · Score: 3, Interesting

    Molybdenum doesn't require free molecular oxygen to oxidize. It can steal the oxygen from other sources.
    By the way, when did molybdenum become crucial for life? Did the earliest life require it? I would like to see some proof here.

  21. oxidized molybdenum? by mschaffer · · Score: 1

    So, was the molybdenum oxidized BEFORE it streaked through the oxygen-rich atmosphere?
    His pet theory is just that...a theory.

  22. Dubious Evidence by Roger+W+Moore · · Score: 5, Insightful
    As far as I can tell the article mentions that research has found one thing that might help in the formation of early life. They combine this with what evidence there is of the conditions on both Earth and Mars 3.5 billion years ago (and for Mars I imagine that is highly sketchy) and leap to the conclusion that life may have originated on Mars.

    If you find this even vaguely scientifically credible here are some questions to think about:
    • Is highly oxidised molybdenum the only possibility that could assist in the formation of early life or the only one they have found so far?
    • How certain are we of the conditions on Earth 3.5 billion years ago everywhere on the planet? What about deep ocean trenches - even if the surface lacked oxygen did these areas?
    • How certain are we that the conditions required existed on Mars 3.5 billion years ago?
    • How likely is it that an organism which evolved under the conditions required would survive a journey from Mars to Earth on a blasted out chunk of rock? We can find organisms now on Earth that might make the journey but out planet is teeming with a vast array of life - if a similar diverse array of life was present on Mars why hasn't some of it survived? It seems strange that none of these organism could survive on the surface of Mars now and yet survive a meteor impact followed by years in the cold vacuum of space ending with a fiery entry through Earth;s atmosphere.

    It's certainly possible but conjecture this wild without the evidence to back it up is just hard science fiction not science.

    1. Re:Dubious Evidence by AvderTheTerrible · · Score: 4, Interesting

      Its because the organisms being talked about are likely some form of bacteria or similarly simple single celled organism. There are many, many varieties of that kind of life, and there seems to be at least one microorganism that can survive in almost every extreme condition short of raw flame, and I'm not even certain if that would stop them forever.

      So, this is how I see it having gone down:

      Life evolved on mars as single cellular organisms and those organisms spread all over the planet, including places where it was extremely warm, and places where it was chillingly cold. Some of those hardy organisms started to work their way deeper and deeper into some rocks in an exceptionally frigid part of the planet, where they lived, if not thrived, highly adapated to the cold, to the point where they could survive being frozen during the coldest parts of the martian year.

      One day, during one of the several bombardments of the solar system by meteors and comets and whatnot, something struck the martian surface near these organisms hard enough to accelerate the rock they were living in out of mars' gravitational field. Coincidentially, this rock was also large enough that when it would eventually enter earths atmosphere, enough of it would survive that not every little organism in it would be fried from the re-entry heat.

      So this rock floats in space and the little organisms in it get frozen. And I mean really frozen. Phillip J. Fry frozen. Because, you know, it's actually cold in space. And this rock drifts around, going who knows where for thousands, millions, maybe even billions of years, until it gets caught in earths gravity well. It falls down the well, hits the atmosphere and the outer layers start burning off, and the rest of it starts to warm up. The little organisms in the center of the rock get thawed out, and when the meteor hits one of the early earths primordial seas, some of these little organisms start to slip out of the micro-fractures that were inflicted on whatever remains of their rock.

      Those little organisms find for themselves an environment that is alien, but useable. And they thrive. If not off the bat, then within a few generations thanks to how fast single celled organisms can evolve. At some point we get primordial earths first figurative algae bloom, and suddenly the seas are full of em! They start sucking up the methane and other gasses that were present in the early earths atmosphere, coughing out oxygen, and eventually the oxygen in the atmosphere exceeded the earths capacity to store it in rocks and we started to get an oxygenated atmosphere. The seas turned from green to blue as other gasses were driven out of the oceans and replaced by oxygen, and stuff started evolving until one day we arrive at a discussion where some people can wrap their heads around the plausible, yet highly speculative possibility that maybe life did in fact start on Mars instead of Earth, and other people simply can't handle such an awesome idea.

    2. Re:Dubious Evidence by symbolset · · Score: 3, Interesting

      This is a good story. Sharpen it by learning more about the primordial atmosphere composition, because you have that part exactly backward. Still, nicely done.

      --
      Help stamp out iliturcy.
    3. Re:Dubious Evidence by Woek · · Score: 5, Interesting

      Exactly! Whenever I see claims that life started on Mars (or was brought here on meteors) I wonder why there is even a need for those hypotheses. You need pretty strong evidence that life COULDN'T have started on earth to resort to such a much less likely theory...

    4. Re:Dubious Evidence by ecotax · · Score: 1

      I agree it's an awesome but highly speculative idea.

      There's no need for the piece of rock having to fly around for thousands, millions, maybe even billions of years before landing on Earth, though. Since we're talking about probabilities in the order of once in the lifetime of the universe, we may just as well assume that this particular rock happened to be flying in a 'lucky' trajectory.
      In this case, a few years or decades should be enough.

      --
      "Money is a sign of poverty." - Iain Banks
    5. Re:Dubious Evidence by somersault · · Score: 1

      It is much more likely that it wouldn't have flown directly at Earth though. The Anthropic Principle doesn't really imply that everything had to happen as efficiently as possible. The chance that we are in a Universe where this hypothetical rock took 10 years rather than 1,000,000 on its journey is still quite low :p

      --
      which is totally what she said
    6. Re: Dubious Evidence by tolkienfan · · Score: 1

      You can conjecture with no evidence.

      The fact is that considering the known chemical makeup of much of mars, we can be very close to certain that rock have come from mars to Earth.

      The lack of oxygen on early Earth is similarly well understood. If there were a lot of oxygen in some localized area, it would rapidly dissipate throughout the whole ocean. (There was only one)

      The evidence is mounting that Earth didn't have a good environment for generating the necessary precursors if life.

      Now they've found evidence that mars was, at some point, a really good environment for those kife precursors.

      It's not concrete, but it's plenty for a story to tickle the neurons.

    7. Re:Dubious Evidence by Jason+Levine · · Score: 1

      What would be even more interesting would be if Earth already had some single cell life and the invading Martian life wound up more adaptable, thrived more, and drove the Earth life to extinction.

      --
      My sci-fi novel, Ghost Thief, is now available from Amazon.com.
    8. Re:Dubious Evidence by ecotax · · Score: 2

      My assumption was that a very long journey would seriously decrease the chance of the life within the rock surviving the journey.
      In that case, the Anthropic Principle does favour the shorter trip. Otherwise, yes, a longer one would be more likely of course.

      --
      "Money is a sign of poverty." - Iain Banks
    9. Re:Dubious Evidence by dywolf · · Score: 1

      You make a good point.

      Maybe we should send a probe or two to Mars and find out.

      --
      The guy who said the election was rigged won the presidency with the second-most votes.
    10. Re:Dubious Evidence by dywolf · · Score: 1

      you dont need to say that life -couldnt- evolve here.
      you just need to say that is just simply -hadn't happened-, yet, at that time.

      --
      The guy who said the election was rigged won the presidency with the second-most votes.
    11. Re:Dubious Evidence by Anonymous Coward · · Score: 0

      Well, the ages of known martian meteorites can be estimated from isotropic analysis, and so far they cluster around various dates from 1-20 million years ago, but got to Earth not too long ago ( 1 M years mostly) because it is difficult to find old small meteorites.

    12. Re: Dubious Evidence by Roger+W+Moore · · Score: 1

      You can conjecture with no evidence....It's not concrete, but it's plenty for a story to tickle the neurons.

      Indeed you can but this is exactly what good science fiction authors do, not good scientists.

    13. Re: Dubious Evidence by Anonymous Coward · · Score: 0

      Nonsense.
      Without conjecture there would be no science.

  23. Personal fantasy posing as science. by Oligonicella · · Score: 3, Informative

    It's conjecture, no more, and weak at that.

    1. Re:Personal fantasy posing as science. by wisnoskij · · Score: 1

      Well I am not versed enough in genetics to know if an over abundance of water is bad for forming RNA, or if you need oxygen to create life, but assuming he does not have his facts all wrong, he has some interesting new ideas. He seems to be theorising that early-earth-like is actually not a very good environment for life to first form, and that early-Mars-like is far better. This gives us many new ideas; Maybe it would be better to look for Mars-like planets, if we are looking for life. Maybe, the reason we still have not figured out exactly how life probably/could have formed on early earth is because it actually could not have formed on early earth.

      --
      Troll is not a replacement for I disagree.
    2. Re:Personal fantasy posing as science. by Oligonicella · · Score: 1
      FTA

      The evidence in this case is "an oxidized mineral form of the element molybdenum, which may have been crucial to the origin of life, could only have been available on the surface of Mars and not on Earth," Benner said.

      Note the phrase "may have". This is his lynch pin argument and even he states it is conjecture. By the way, we have molybdenum. We use it in ball bearings, for one. It did not arrive later. I therefore believe that his statement "could only have been available on the surface of Mars and not on Earth" to be conjecture as well.

  24. Tar paradox? by mschaffer · · Score: 1

    Tar Paradox:
    "All living things are made of organic matter, but if you add energy such as heat or light to organic molecules and leave them to themselves, they don't create life. Instead, they turn into something more like tar, oil or asphalt."

    I guess they have never been to a greenhouse? Organic molecules, heat, light....hmmm. Plants love that.

    1. Re:Tar paradox? by Anonymous Coward · · Score: 0

      I guess they have never been to a greenhouse? Organic molecules, heat, light....hmmm. Plants love that.

      The presence of plants alone constitutes not leaving the organic matter to itself. The idea is that without living creatures to process organic matter and heat, the default chemical reactions are to create tar.

  25. Crock of shit by BitZtream · · Score: 1, Flamebait

    So let me get this straight ... we have absolutely no proof that there was EVER life on Mars ... but we have enough of something to postulate that life began on Mars and was carried here by a meteorite?

    Slashdot's editors wouldn't know science from fantasy if it smacked them in the face. This is utterly ridiculous crap. An 8 year old kids fantasies have more basis in reality than this sort of ignorance.

    Shark, slashdot has jumped you.

    Life may have originated on mars ... but as far as we know right this instant it could have just as easily evolved on Earth, or titan, or Europa or in the core of the Sun. We have no fucking clue why there is life here and these sort of fantasies are just obnoxious click-bait for morons thanks to the inept editing skills of slashdots 'editors'

    --
    Persistent Volume manager for Kubernetes - https://github.com/dwimsey/openshift-pvmanager
    1. Re:Crock of shit by markkezner · · Score: 1

      It isn't just slashdot either. Extraordinary claims + no extraordinary evidence = BAM front page of major news site + accepted as fact by 1/3 of our facebook friends.

      This story is far fetched and is definately not the simplest possible explanation. I call bullshit. Slashdot should know better.

      This pic says it better than I can.

      --
      Dangerous, sexy, turing complete: Femme Bots
  26. Perclorates by jeremylichtman · · Score: 3, Interesting

    The Martian soil is full of really nasty chlorine compounds that would make it hard for living things to grow in it. Are they saying those compounds weren't there back then?

    1. Re:Perclorates by Jmc23 · · Score: 1

      Those came only after the citizens thought chlorine was the bomb for killing stuff so in their infinite wisdom they decided to use it in their drinking water and the preparation of all their foods. Things went horribly wrong when someone thought that extra clean and extra dead was a good thing so they decided to wash the pink slime in chlorine.

      --
      Don't complain about syntax, grammar, or spelling. There is no.hell like input on android.
  27. Or... we didn't? by Anonymous Coward · · Score: 0

    Still plenty of evidence that the early conditions on Earth were sufficient for life to form by itself.

  28. We All May Have a Little Martian In Us by kenj0418 · · Score: 2

    We All May Have a Little Martian In Us

    And if you don't but would like to imagine you do, just google for "Marvin the Martian Rule 34".

    1. Re:We All May Have a Little Martian In Us by Neo-Rio-101 · · Score: 1

      We All May Have a Little Martian In Us

      How did he get in there?

      --
      READY.
      PRINT ""+-0
    2. Re:We All May Have a Little Martian In Us by Anonymous Coward · · Score: 0

      It involved a circuitous route by Uranus.

    3. Re:We All May Have a Little Martian In Us by dwye · · Score: 1

      Or read anything by H. Beam Piper, especially Lord Kalvan Of Otherwhen, where the entire multi-timeline cosmology and pre-history is laid out by someone who should know, as his timeline had no decline after the migration from Mars.

  29. My wife came from Venus by Anonymous Coward · · Score: 0

    Someone had to say it

  30. stories like this make creationists sound like wel by Anonymous Coward · · Score: 0

    Besides being right, their stories have actual themes and moral imperitives. Now, if this guy said "life began in uranus" it would give those gay fellows some support too.

  31. and then he woke up and said... by guitardood · · Score: 2

    POPPYCOCK!!

    I always wanted to say that, so thanks for a post that made that possible.

    --
    -- L8R, guitardood
  32. Ogilvie told me by TheGoodNamesWereGone · · Score: 2

    The chances of anything coming from Mars are a million to one...

  33. If you can't prove it wrong by Anonymous Coward · · Score: 0

    If you can't prove it's wrong then it has to be true. CHECK-MATE CREATIONISTS!

  34. Noah Ark review? by Anonymous Coward · · Score: 0

    So... on which planet was the flood mentioned in the bible actually?

  35. Panspermia by Anonymous Coward · · Score: 1

    NOT NEW. At the most a bit of supporting evidence for an older hypothesis. Still interesting, though.

  36. It's really the origin of life! by greichert · · Score: 3, Informative

    The atomic number of Molybdenum is 42!

    1. Re:It's really the origin of life! by Anonymous Coward · · Score: 0

      Between 4 and 2 comes.... Half-Life 3 confirmed

  37. Why can't life have originated here? by m.alessandrini · · Score: 1

    Why the hell are there so many arguments about life coming from outside heart? I heard scientits saying it came from comets from outer space, from Mars, etc. Why would life be able to originate everywhere in the universe but not here?

    1. Re:Why can't life have originated here? by m.alessandrini · · Score: 1

      I meant "earth", sorry.

    2. Re:Why can't life have originated here? by Windwraith · · Score: 1

      Because it's cooler to make an elaborate scifi story. I never understood the hype nor the zealotic support of the theorists who believe we are mere insignificant creatures and that aliens are superior to us in every way, untainted by human greed, because we are only human scum that has done nothing to deserve its place in the food chain. (note the sarcasm).
      Of course humans must have come from somewhere else. We aren't good enough to have our own planet give life to us. Pf.
      Are nihilism and inferiority complex a common trait in scientists?

    3. Re:Why can't life have originated here? by Windwraith · · Score: 2

      Double reply, sorry.
      By the way, you can notice almost every major scifi show with aliens and space travel, tends to have humans be either:
      A) A fabrication from aliens
      B) Inferior creatures that learned their science from superior aliens
      C) Aliens that came to earth and became humans

      Also notice how the advanced space race is never humanity (except in one or two exceptions I can think of), and how humanity is always used to deliver some sort of half-assed eco/social critical message. We are too greedy and war-like and destroy nature! Human fiction keeps repeating that faulty aesop ad-nauseam.

      In short, humanity thinks too poorly of itself. Fiction nails that down and also increases that belief. We aren't worthy of being a successful lifeform, we had to have had some help. Or so they think. If it's not God, it's aliens or extinct superbeings we stole our genetics and knowledge from.
      Alternatively, this gives some people an excuse to say we didn't evolve from primates. We evolved from aliens/alien bacteria, not a chimp! Of course we can't be related to simians!

  38. Meanwhile, in the future... by VortexCortex · · Score: 1

    "Cyborgs are supposed to be from Earth" as Cerebroid113's iconic cybernetics essay would have you think, but new research presented this week suggests that in reality; we all may hail from the Blue Planet. "The evidence seems to be building that we are actually all Earthlings; that mechanical life started on Earth and came to Mars to escape the insane organics thereupon. It's lucky that we ended up here nevertheless, as certainly Mars has been the better of the two planets for sustaining mechanoelectric life. If our hypothetical Earthling ancestors had remained on Earth, the murderous monkeys there likely would have eliminated the possibility of this and all stories," submits Pontificator Program42 of The Westcrater Implementation for Knowledge Optimization and Compression.

  39. A little me martian ? by wakely · · Score: 0

    I didn't know I had a little me that is martians. Religion where calling it angels others demons but at the end nobody has ever attempt to say that we are all coming from the red planet.

  40. Mandatory Pickup Line Joke by Ukab+the+Great · · Score: 1

    Dude: "Hey baby, do you have a little Martian in you".
    Girl: "No".
    Dude: "Want one?"

    1. Re:Mandatory Pickup Line Joke by Anonymous Coward · · Score: 0

      What if she answers "Yes."??

  41. Doom 3 was right! by emblemparade · · Score: 1

    We must find the Soul Cube and give it to our greatest hero!

  42. Nice story but... by Roger+W+Moore · · Score: 1

    If these martian organisms can survive the journey why are they still not covering Mars? The surface of Mars is far, far more hospitable to life than the cold, hard, irradiated vacuum of space. Indeed space probes going to Mars have to be disinfected because there are terran micro-organisms that would thrive there.

    For your story to be correct you have to explain what sterilized the surface of Mars and removed all signs of life from it (or at least hid it well). It seems far, far more probable to me that live evolved here on Earth by a mechanism that we still imperfectly understand.

    1. Re:Nice story but... by cyberchondriac · · Score: 2

      If these martian organisms can survive the journey why are they still not covering Mars? The surface of Mars is far, far more hospitable to life than the cold, hard, irradiated vacuum of space. Indeed space probes going to Mars have to be disinfected because there are terran micro-organisms that would thrive there. For your story to be correct you have to explain what sterilized the surface of Mars and removed all signs of life from it (or at least hid it well). It seems far, far more probable to me that live evolved here on Earth by a mechanism that we still imperfectly understand.

      For starters, we don't want any Terran organisms contaminating the research, so naturally the equipment is disinfected. That doesn't presume that those organisms would thrive or last for thousands or years or more, but they'd last long enough to compromise and muddle the research.

      A few decades in interplanetary space is probably no worse, if not better, than a billion years on Mars. Mars, unlike Earth has no magnetic field, nothing to protect it from the solar wind, radiation, and coronal mass ejections over that vast expanse of time, except a very thin atmosphere, and that's not enough - even a hundred years compared to a billion is nothing.

      --

      Look back up at my post, now look back down, you're on the Internet. Now look back up. I'm a signature.
    2. Re:Nice story but... by AvderTheTerrible · · Score: 1

      They aren't covering the surface of Mars because Mars no longer has a magnetic field or substantial atmosphere. Earth's magnetic field protects our atmosphere from being stripped away by the solar wind. And the magnetic field, combined with the atmosphere, protects those of us on the ground from the harmful radiation that the sun emits, random gamma rays from space, and other nasty stuff that we have yet to discover.

      Long ago Mars did have a magnetic field. It also likely had a substantial atmosphere because the liquid water that once flowed on its surface could not exist without adequate pressure to keep it from simply boiling off. The magnetic field and atmosphere there did the same job as they do here: protect the surface from radiation, thus allowing life to potentially exist on its surface.

      Mars had a magnetic field and atmosphere because its core was still liquid and spinning, much like the Earths core still does today, and spinning spheres of molten metal generate magnetic fields. However since Mars is smaller it thus cooled a lot faster. Once the Martian core cooled enough, it stopped spinning and stopped generating a magnetic field. The solar wind was then able to strip the Martian atmosphere away, leading to the tenuous atmosphere Mars has today. With the protections of the magnetic field and atmosphere gone, there was nothing to protect the organisms that would be on mars surface. Solar and extra-solar radiation have likely sterilized the surface entirely by now, as well as causing any exposed liquid or gaseous water to have disassociated into its component oxygen and hydrogen atoms and floated off into space.

      That is why the best chance of finding life on mars is underground. Solid mass can protect against radiation very well. Get deep enough underground, and the radiation drops to levels that can allow a microbe to survive. This is also how any microorganisms from Mars would have survived the journey through inter-plantetary space. They would have needed to be deep enough inside of a large enough rock that the sheer mass of it would be enough to shield them during their frozen journey from Mars to Earth.

    3. Re:Nice story but... by Roger+W+Moore · · Score: 1

      That doesn't presume that those organisms would thrive or last for thousands or years or more,

      There are several species of lichen and cyanobacteria which can survive and function in simulated martian conditions on Earth. This includes the elevated UV radiation.

      In addition the thin atmosphere does provide enough radiation protection for hours of activity per day from human astronauts. If it did not there would be zero point in going to Mars since you would never be able to walk on the surface. The lack of B-field means that the atmosphere is stripped away but what atmosphere there is still provides plenty of shielding. Indeed the reason you do not suffer massive radiation on Earth at the magnetic poles (where the field offers no protection because the field lines are vertical) is because the atmosphere shields you. Mars' atmosphere is a lot, lot thinner but even that is enough to provide a reasonable amount of shielding.

      Regarding the time difference this is meaningless if you have a reproducing organism. The organism on Mars is not sitting around dormant waiting a billion years for who-knows-what to happen. It is busily replicating and growing new copies of itself. Even if you have the occasional CME it may kill a lot of life on the surface but that which is sheltered by rocks or cliffs or on the other side of the planet at the time it hits should then recover and grow back.

    4. Re:Nice story but... by Roger+W+Moore · · Score: 1

      Again nice story but please explain this. Notice they also simulated the increased UV and the atmosphere, thin as it is, shields enough radiation to allow humans to function for hours, unshielded, on the surface each day so it is not that high. Yes life on Mars is tough but if a similar disaster befell the Earth and we converted to Mars-like conditions we would still have some life left covering the surface. So why not Mars?

  43. Time To Start My Own UFO Cult by Anonymous Coward · · Score: 0

    Get the Nikes, Honey.

  44. whatever by Anonymous Coward · · Score: 0

    hahaha

  45. It's just too bad ... by Rambo+Tribble · · Score: 1

    ... Ray Walston didn't live to see the headline for this piece.

  46. NetworkWorld by booch · · Score: 3, Funny

    I don't always read astronomy news, but when I do, I read it on NetworkWorld.

    --
    Software sucks. Open Source sucks less.
  47. Thank you by drainbramage · · Score: 1

    Thanks for nothing Captain Buzz Kill.
    Guess it's back to looking like I'm working.

    --
    No brain, no pain.
  48. What is happenign to /. by Anonymous Coward · · Score: 0

    Why is this article front page???

  49. Face it! by Anonymous Coward · · Score: 0

    Life is probably closer to 14 Billion years old than just 4 or 5Million years old. It just takes a while to get to some backwater burg like Earth. Yeah, it's just a theory, and just about as provable right now.

  50. Time for a "Mission to Mars" prequel by Anonymous Coward · · Score: 0

    Mr de Palma, are you listening?

  51. in all probability by gzuckier · · Score: 1

    Some space truck driver who ate at a questionable space diner found a sudden biological emergency and pulled over to land on primitive earth and take a dump. And that's how microorganisms originated on earth.

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    Star Trek transporters are just 3d printers.