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"Water Bears" First Animals to Survive Trip Into Space Naked

Adam Korbitz writes "New Scientist and Science Daily are reporting the results of an intriguing experiment in which scientists launched tardigrades or 'water bears' — tiny invertebrates about one millimeter long — into space onboard the European Space Agency's FOTON-M3 spacecraft. After 10 days in the vacuum of space, the satellite returned to Earth and the tardigrades were recovered. The tardigrades survived the vacuum just fine, but exposure to the Sun's ultraviolet radiation proved deadly for most of the water bears. However, some did survive. The tardigrades are the first animals to have survived such an experiment, a feat previously achieved only by lichens and bacteria."

55 of 235 comments (clear)

  1. First Posters by sheepweevil · · Score: 5, Funny

    The next animals to undergo the experiment: First Posters.

    1. Re:First Posters by hclewk · · Score: 5, Funny

      Uh oh... Here comes PETA...

    2. Re:First Posters by way2trivial · · Score: 4, Funny

      Peta may be concerned about the treatment of all animals--
      http://blog.peta.org/archives/2008/08/six_flags_calls.php yes-- even cockroaches..

      but I think even they would draw the line at first posters

      --
      every day http://en.wikipedia.org/wiki/Special:Random
  2. Fantastic.. by Rob+T+Firefly · · Score: 5, Funny

    Of the four water bears to survive the radiation in space, one is now invisible, one is really stretchy, one is on fire, and one is made of rocks.

  3. You Fools! by necro81 · · Score: 4, Funny

    Don't you realize that, by exposing them to such strenuous conditions that kill off the weak, you are only working to select a superbreed of tardigrades? I'm sure all that radiation have caused mutations to make them stronger, bigger, with voracious appetites and mind-control powers.

    Pretty soon they'll be strong enough to challenge us! I say we launch a preemptive strike to eliminate all tardigrades immediately!

    [I'm not actually crazy, this is all tongue-in-cheek alarmism, which is all the rage these days]

    1. Re:You Fools! by PlatyPaul · · Score: 4, Interesting

      You do raise a valid point about panspermia theory, oddly enough: escaping life from an extraterrestrial source could actually evolve (or at least perform selection) en route to its final destination. Given sufficient distances to be traveled (and that some of the original life survives), the "hardened" life forms that landed would be more likely to be adaptable to the necessary conditions at the destination.

      One serious question to consider is: should we attempt to trigger artificial panspermia? Is it unethical?

      --
      Misery loves company. Online misery loves unsuspecting random strangers.
    2. Re:You Fools! by somersault · · Score: 5, Insightful

      I don't see any reason why a lifeform that has evolved to survive in space should necessarily be better equipped to then survive elsewhere - any species that suddenly transitions from one environment to a vastly different one is going to have a hard time surviving. When a species adapts it doesn't necessarily keep all of its old abilities as well as the new ones, otherwise we'd all be able to breathe underwater!

      --
      which is totally what she said
    3. Re:You Fools! by pcgabe · · Score: 4, Funny

      Mind-control powers? That doesn't sound good. We actually deal with tardigrades at work and you're raising some serious concerns. I plan to... hold on, someone's at the door.

      IT WAS NO ONE. TARDIGRADES ARE NOT DANGEROUS. TARDIGRADES ARE OUR FRIENDS.

      --
      Don't put advice in your sig.
    4. Re:You Fools! by jemminger · · Score: 2, Interesting

      That's assuming the conditions at the destination are the same as during the journey. Suppose they adapted to constant UV bombardment during the journey only to be dropped into boiling oceans of sulfuric acid when they arrive.

    5. Re:You Fools! by allawalla · · Score: 2, Insightful

      It isn't just selecting those that can survive in outer-space but those that are more able to adapt to changing conditions.

    6. Re:You Fools! by Hatta · · Score: 3, Insightful

      You do raise a valid point about panspermia theory, oddly enough: escaping life from an extraterrestrial source could actually evolve (or at least perform selection) en route to its final destination.

      Evolution requires reproduction. It's hard enough for organisms to merely survive in space, let alone reproduce.

      One serious question to consider is: should we attempt to trigger artificial panspermia? Is it unethical?

      Isn't artificial panspermia the entire point of the space program?

      --
      Give me Classic Slashdot or give me death!
    7. Re:You Fools! by jellomizer · · Score: 3, Funny

      Thank got this slashdot user was using an old teletype system, to post that message otherwise he could have just deleted his previous text and we would things are all hunky dory.

      --
      If something is so important that you feel the need to post it on the internet... It probably isn't that important.
    8. Re:You Fools! by tnk1 · · Score: 2, Interesting

      One serious question to consider is: should we attempt to trigger artificial panspermia? Is it unethical?

      Depends on what your priorities are and what else you think is out there.

      I probably wouldn't be in favor of willy-nilly dumping terrestrial life out there, unless we had no other choice for the survival of life itself "as we know it". Call me sentimental, I guess.

      We should make some effort to preserve alien life, should it ever be found for a number of reasons, practical as well as aesthetic.

      However, if we found planets that could support our life and didn't appear to be currently occupied, I see no reason not to dump some bacteria on that planet and see what happens.

    9. Re:You Fools! by somersault · · Score: 2, Interesting

      I was going to mention that only species like humans that use tools and materials are able to survive in wildly different environments, but I thought that was superfluous. I've been SCUBA diving a few times myself, and have even been known to fly on occasion!

      --
      which is totally what she said
    10. Re:You Fools! by 93+Escort+Wagon · · Score: 3, Funny

      I don't see any reason why a lifeform that has evolved to survive in space should necessarily be better equipped to then survive elsewhere - any species that suddenly transitions from one environment to a vastly different one is going to have a hard time surviving. When a species adapts it doesn't necessarily keep all of its old abilities as well as the new ones, otherwise we'd all be able to breathe underwater!

      That sound you just heard was the heads of a million comic book geeks exploding simultaneously.

      --
      #DeleteChrome
    11. Re:You Fools! by Anonymous Coward · · Score: 2, Funny

      ALL HAIL LORD GOT!

    12. Re:You Fools! by eonlabs · · Score: 2, Insightful

      Good point,

      Evolution is not the process of becoming 'better,' 'stronger,' or more able. It's the process of being
      more likely to reproduce in the current environment and is dictated by randomness. Any changes that have no
      effect on an entity's ability to reproduce (especially indirectly) may or may not survive. Truly junk DNA
      will change in a completely arbitrary fashion until it generates a phenotype that actually does matter to
      whether a creature can reproduce (or in other means ensure the propagation of their genes).

      It's important to realize that almost ANYTHING can contribute to the fitness function that determines whether
      something's genes will propagate. If people think having four fingers is gross, people with four fingers will
      have a disadvantage and be less likely to reproduce. No offense to people with four fingers. It's just an
      example. The same would apply to any trait. For the same reason, if an ability was useful at one point, and
      it no longer affects the fitness function for reproducability any more, it may evolve out. It may only evolve
      out of some of the species.

      --
      I wouldn't consider the mad hatter mad. Just reality impaired. He sure can make a mean cup of tea.
    13. Re:You Fools! by RockDoctor · · Score: 2, Informative

      I doubt 3% increase of air pressure (30cm/10m) will do serious damage to your lungs.

      The experiments have been done ; no need for doubt or supposition.
      Look at either common design of Scuba regulator, or their commercial equivalents ("full face masks") ; where is the pressure regulator? Either between the shoulder blades (and so just a few cm vertical distance from the lungs) ; or at the user's mouth (so getting perhaps 15cm from the top of the diver's lungs) ; or on the diver's cheek (same comment).
      Very occasionally you'll see people using a twin-hose airset mounted at the waist, so with the regulator up to 40cm deeper than the lungs. This is strongly discouraged because of two hazards - kinking the hoses and air embolism. It's really a "don't do this" situation - only try it if you're definitely going to die otherwise. (I speak as a diver with a non-trivial log book of near-death experiences. Which is why I stopped diving.)

      People have an excessive confidence in the abilities of their bodies. Seriously, don't act on your "doubts" and suppositions. Speak to proper dive training organisations. The only substitute for learning from other people's experiments is doing it yourself, and possibly dieing.

      --
      Birds are not dinosaur descendants;birds are dinosaurs, for all useful meanings of "birds", "are" and "dinosaurs"
  4. Next step by MyLongNickName · · Score: 5, Interesting

    Allow these water bears to reproduce, and take them back up. Rinse lather repeat, and we will have creatures capable of surviving long durations in space.

    --
    See my journal for slashdot ID's by year. Mine created in 2005. http://slashdot.org/journal/289875/slashdot-ids-by-year
    1. Re:Next step by Tisha_AH · · Score: 4, Insightful

      For most species survival of extreme conditions is not the same thing as flourishing. This is a very interesting experiment and does open up quite a few possibilities for future research.

      If scientists were attempting to encourage beneficial mutations to make it more likely to survive a space environment this can be done on the ground, in a laboratory. It is not difficult to create a vacuum environment, bathe it with UV light and high energy particle and put a petri dish in the middle of this environment.

      To me it all smacks of the comic book and recent movies of "The Fantastic Four". Superior powers and prowess does not appear suddenly when exposed to some variant of radiation from space. In most cases, biological life-forms either 1). Die, 99.999% the time 2). Mutate, leaving a sickly, short-lived organism 3). Mutate but in an unexpected manner.

      Scientists have been doing this sort of research of a century. It is the basis of many vaccines. (live-attenuated).

      From this we could end up with a bacteria that would tolerate a near-space environment like mars with it's much diminished atmosphere and non-existent geomagnetic field. But what have we accomplished in the end?

      Can we say that we created a bacteria that contaminated... err, colonized a different planet? I wonder if the same thought was in the head of primitive man when he threw the first coconut stuffed with a note in it, into the Pacific ocean.

      --
      Tisha Hayes
    2. Re:Next step by NoPantsJim · · Score: 3, Funny

      Also, the Zerg, in a manner of speaking.

      http://en.wikipedia.org/wiki/Zerg#Zerg

  5. "Water Bears" by Anonymous Coward · · Score: 5, Funny

    Aquatic hairy gay men?

    1. Re:"Water Bears" by mother_reincarnated · · Score: 3, Funny

      Yes

    2. Re:"Water Bears" by MPAB · · Score: 3, Funny

      With lasers

  6. Send them to Mars by Colin+Smith · · Score: 3, Interesting

    Over the generations gradually change their environment till it resembles mars. Send the survivors as first colonists.

     

    --
    Deleted
    1. Re:Send them to Mars by oldspewey · · Score: 3, Interesting

      Send lichens instead ... at least they can get a start on the soil and atmospheric composition while we sort out our own problems down here.

      --
      If libertarians are so opposed to effective government, why don't they all move to Somalia?
  7. Oblig. by paintballer1087 · · Score: 2, Funny

    I for one welcome our new vacuum-resistant, microscopic, mutated overlords.

  8. Re: "Water Bears" First Animals to Survive Trip In by Rie+Beam · · Score: 3, Informative

    The headline should really read "Tardigrades First Animals to Survive Exposure to Vacuum of Space". I mean, we've sent astronauts into orbit, and let them walk around, but usually not naked.

  9. Summary Focus by Azaril · · Score: 5, Insightful

    After RTFA /shock, the focus seems to be not on the fact they survived in space but more the fact that they survived being dosed repeteadly with huge amounts of radiation, without any apparent damage to the DNA structure.

  10. Is Stephen Colbert aware of this?!?!? by elrous0 · · Score: 4, Funny

    Sending bears into space, exposing them to radiation, making them stronger?!?! ARE YOU INSANE?!?!?

    --
    SJW: Someone who has run out of real oppression, and has to fake it.
  11. It was a hairy bear by smittyoneeach · · Score: 2, Funny

    It was a scary bear.

    --
    Get thee glass eyes, and, like a scurvy politician, seem to see things thou dost not.--King Lear
  12. The Article Does Not Describe... by techsoldaten · · Score: 4, Funny

    This topic uses a poor choice of source material to discuss the subject. The article does not go into detail about the metabolic affects of exposure for the water bears, or the fundamental changes that were observed after their return to the lab. There were significant fundamental reactions the sample set had to exposure to space which was observable immediately upon their return to Earth, as detailed in other articles on the subject.

    Scientists were surprised to observe the exterior of several of the water bears to be covered by a mineral substance and the creatures appeared to demonstrate increased resillence realitive to their size and mass. Several of the other specimens demonstrated exothermic reactions when exposed to air, a reaction that was described as actually burning the air around them. Other members of the specimen set were observed stretching to lengths beyond their normal length / width, in order of several magnigtudes, without any negative biological affects. Others developed a transparent biology when observed under an electron microscope, which appearently is not permanent in nature.

    Attempts to observe the creatures in detail were complicated by some sort of field irradiating the slide, which was thought to possibly be magnetic.

    M

  13. Next time by Aussie · · Score: 3, Funny

    I propose they try it with lawyers next. I can provide a short list if they want.

    1. Re:Next time by Lumpy · · Score: 2, Funny

      I can provide a unending supply if they want. I'll start with every lawyer that works for the RIAA and MPAA first, then that scumbag that was my Ex wife's lawyer... Actually he goes first.

      --
      Do not look at laser with remaining good eye.
    2. Re:Next time by umghhh · · Score: 5, Funny

      What if they survive but be stronger than ever?
      What will you do than?

    3. Re:Next time by kat_skan · · Score: 2, Funny

      Leave them in space and declare the experiment a resounding success?

    4. Re:Next time by Theolojin · · Score: 2, Interesting

      I propose they try it with lawyers next. I can provide a short list if they want.

      I have a list of 535 lawyers who are available. Better hurry, though, so we have time to figure out which names to write in come November.

      --
      Life is short; think quickly.
  14. Explosive Decompression by ObsessiveMathsFreak · · Score: 3, Funny

    I for one am upset and disappointed that the water bears did not gruesomely bulge to engorged proportions and then loudly(physics be damned) and spectacularly explode in a sanguineous shower of viscera, all while screaming "QUAAAIDD!!!". I think the experimenters could have done better.

    --
    May the Maths Be with you!
  15. Save the Water Bears! by homesnatch · · Score: 5, Funny

    I find it detestable that we are doing these kinds of experiments on water bears!

    We need to protest... I will start a campaign!

    --Nuke the Whales--

  16. Naked Bears? by Rie+Beam · · Score: 5, Insightful

    Suggested list of headlines that do not suck:

    "Tardigrades First Animals to Survive the Vacuum of Space"
    "'Water Bears" First Animals to Withstand Exposure to Naked Space"
    "First Animal to Survive the Vacuum of Space"

    Come on, Timothy -- Naked tardigrades? I trust you can do better than that...

  17. Sounds like the beginning of an sf story by Progman3K · · Score: 3, Funny

    Did these things

    - Create an army of the undead
    - Trigger a plague
    - Develop intelligence and a taste for human flesh?

    All kidding aside, it might reinforce the theory of panspermia
    http://en.wikipedia.org/wiki/Panspermia

    --
    I don't know the meaning of the word 'don't' - J
  18. Water Bear-Man by BobSixtyFour · · Score: 2, Funny

    So... Did any of these scientists allow themselves to get bit by any of these radioactive Water Bears?

  19. I saw tardigrades on Animal Planet once by Kligat · · Score: 4, Informative

    There was a countdown of animals that had the most extreme survival conditions, and they outperformed cockroaches by quite a bit. They used computer software to show what the equivalent for a human would be under those circumstances, and visualized the radiation with drums of nuclear waste and bombs or something. Not only can they survive no pressure in the vacuum of space, but they can survive under thousands of pounds of water pressure in the ocean.

    One scientist had left a tardigrade in a miniature desert for 20 years, and it popped right back up when they just added water. They also can survive extreme heat, salt, and acid. The most amazing thing is that they can probably be found in your own backyard.

    1. Re:I saw tardigrades on Animal Planet once by GleeBot · · Score: 3, Insightful

      Not that amazing, it is a hardy species that can survive most anything... So if they are a successful species then why wouldn't they be common in your back yard.

      Well, I think you could be legitimately amazed. Being able to deal with extreme conditions imposes a cost on a species in terms of the biological machinery necessary to survive those conditions. Under mild conditions, such species are often out-competed by less hardy species, which may be more focused on more efficient feeding rather than surviving hard radiation, for example.

      In other words, specializing for the worst case often leaves you at a disadvantage in the common case.

  20. Next subjects for experiments... by ciaran.mchale · · Score: 3, Funny
    Members of the general public were polled on what type of animals they thought should be used for the next "can it survive the vacuum and radiation of space" experiments. Some of the most common answers were:
    • Politicians and lawyers were voted by almost everyone.
    • Microsoft executives were voted by Linux fanboys.
    • Dapper Drake, Edgy Eft, Feisty Fawn, Gutsy Gibbon and Hardy Heron were voted by Microsoft fanboys.

    Interestingly, the RIAA was also a popular choice, but it was rejected on the basis that a multi-celled organism without a heart might not be alive. Some members of the public suggested it should be subjected to the "will it blend?" test to make sure.

  21. Re: "Water Bears" First Animals to Survive Trip In by ozbird · · Score: 4, Funny
    I am just afraid of scaring those guys with telescopes, if I go 'Naked' in space:)

    Obligatory:
    • "That's no moon..."
    • "... and isn't certainly isn't a heavenly body."
    • "Hey, I can see Uranus!"
    • "AARRGGHH! Okay, who's the wiseguy that put a water bear on my lens?"
  22. Re:What a waste by InfiniteLoopCounter · · Score: 2, Informative

    A vacuum pump and a UV lamp are all you need to perform this experiment on Earth... No rockets required. What lame "research".

    You do realize that they do a lot of experiments in this mission (Foton-M3) at once.

    The animals are only very small and I can't see them taking much room. Why not put them in if they fit?

    Plus, on Earth it is hard to simulate near zero-G effects that you can get with a satellite in orbit around Earth (okay it is not really zero-G because it is still near the Earth, but the trajectory induces similar conditions).

  23. Teraforming? by sckeener · · Score: 2, Interesting

    Not that I'm interested in doing this yet because I'd like to see what is already on the planets in our solar system....however

    If they could last long enough in space, we could launch them at planets with the purpose of converting the planets to something more habitable.

    I think the really good targets for this would be planets with water...Mars...some of Jupiter's moons....etc.

    --
    "Only one thing, is impossible for god: to find any sense in any copyright law on the planet." Mark Twain
  24. Panspermia; the universe is our Kleenex by damburger · · Score: 2, Interesting

    We have for sure left viable life forms on the Moon, and have now shown reasonably complex animal life can be survive vaccuum.

    Before we continue to jizz terrestrial organisms over everything in sight like a fustrated teenager, perhaps we ought to consider the implications. If there is life elsewhere in the solar system, it is likely microbial life living underneath the surface of somewhere like Mars or Europe where there might be liquid water.

    Given that these extraterrestrial ecosystems are physically smaller and almost certainly have less energy to drive them, the organisms found there will probably be less primitive. If they encountered any of the microscopic monsters that 4 billion years of Earth evolution has produced they probably won't survive.

    --
    If we can put a man on the moon, why can't we shoot people for Apollo-related non-sequiturs?
    1. Re:Panspermia; the universe is our Kleenex by djp928 · · Score: 2, Interesting

      Meteor impacts have already done more than we possibly could in the foreseeable future to "seed" the solar system. If there is life elsewhere in the solar system, it is likely to be Earth life, seeded by asteroid strikes that kicked up biological material in the distant past. Or, perhaps, life started elsewhere in the solar system and migrated here (the Panspermia hypothesis you mention).

  25. Re:Quite wrong! by somersault · · Score: 2, Insightful

    I wasn't thinking of simple things like moving to a different island, I was thinking more of moving to a completely different planet, with different atmosphere, pressures and gravitational pull. Since this organism can survive in a vacuum that suggests that it may not matter if you put it in an atmosphere that we would find poisonous, but then again who's to say that? What if it doesn't stand up well in a highly acidic atmosphere? What if during its trip to space it changes composition in such a way that it is crushed under its own weight when it is re-introduced to a planet with significant gravity? I don't know what these water bears need to survive, but perhaps if they need sunlight, so landing for example on the dark side of a planet that doesn't change its rotation with respect to its current star would kill them off? etc.

    Was just trying to point out that natural selection tends to make a creature better for a single environment, not all environments. I am not a biologist though, so meh.

    --
    which is totally what she said
  26. Chuck Norris by jerryodom · · Score: 2, Funny

    Chuck would totally own the Water Bears in the Space Survival challenge. I bet he wouldn't even tan.

    --
    For some reason I refuse to use either spell check or the spacebar properly.
  27. Re:Quite wrong! by Sj0 · · Score: 5, Insightful

    It should be noted that just becuase this species can SURVIVE exposure to space doesn't mean they can THRIVE in it.

    This species is capable of entering a state of suspended animation that renders it rather resistant to extreme heat and cold, dehydration and hard radiation.

    --
    It's been a long time.
  28. You are wrong by SmallFurryCreature · · Score: 4, Funny

    I think you are very wrong indeed, if you create vacuum, bathe it with UV light and bombard it with high energy particles you would find it very hard to put a petri dish in that spot.

    Personally, I would put the petri dish in first, then turn on the vacuum and radiation, saves you having to request yet another research assistent. You obviously never done paperwork.

    --

    MMO Quests are like orgasms:

    You may solo them, I prefer them in a group.

  29. Offensive. by jwriney · · Score: 2, Funny

    Dang it, don't call them "tardigrades". That's demeaning and hurtful. The appropriate term is "mentally challengedigrades" or perhaps "differently abledigrades".

    --riney