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Bacteria Make Major Evolutionary Shift In the Lab

Auxbuss sends us to New Scientist for news sure to perplex and confound creationists: scientists have watched a new, complex evolutionary trait develop in the lab. "A major evolutionary innovation has unfurled right in front of researchers' eyes. It's the first time evolution has been caught in the act of making such a rare and complex new trait. And because the species in question is a bacterium, scientists have been able to replay history to show how this evolutionary novelty grew from the accumulation of unpredictable, chance events."

12 of 1,185 comments (clear)

  1. This is why ... by oldspewey · · Score: 5, Informative

    This is why doctors ask people to finish the entire bottle when prescribing antibiotics. This is also why we should ban antibacterial hand soaps for domestic use - because when you bathe a population of microbes in something for millions of generations, the odds are that eventually a spontaneous mutation will occur.

    All the anal-retentive clean freaks will just have to figure out how to live with the notion that they - like everyone else - carry microbes on their skin.

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  2. Re:Remember... by oldspewey · · Score: 5, Informative

    Hell, even for humans it means ~6.7

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    If libertarians are so opposed to effective government, why don't they all move to Somalia?
  3. Re:First! by Thyrteen · · Score: 5, Informative

    For those of you who didn't RTFA, the new evolution which they claim occurred was the ability to metabolize citrate, a substance in the culture medium that e. coli were previously known to be unable to metabolize, and this occurred in one of twelve populations that were spawned from a single parent bacterium. I think it's pretty interesting :)

  4. Re:Grow up. by Jzanu · · Score: 4, Informative

    Funding. Science is expensive.

  5. Re:Two words by Hatta · · Score: 4, Informative

    The historicity of Jesus is hardly well established. It might be well agreed upon by scholars who make their living studying jesus, but that's entirely different. We have absolutely no first hand accounts of Jesus. All of the gospels, as well as the text by Josephus everyone seems to like were written well after Jesus' alleged death. We have no artifacts, no surviving papers (and the romans loved their bureaucracy). If you look into it, we have about as much evidence for Jesus as we do for Hercules.

    Which isn't to say Jesus didn't exist. There's also about as much evidence for Alexander the Great as there is for Jesus. Hell, even the existence of Troy was thought to be a myth until it was discovered a few decades ago. My point is history is damn hard, and nothing is well established until there's archaeological evidence.

    Personally, I do rather doubt the historical Jesus. The whole thing REEKS of myth.

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  6. Re:energy? by cashman73 · · Score: 4, Informative
    being said that they may evolve to feed on whats in abundance in their surroundings, could you feed them something that will make em' shit something out that will work in my gas tank?

    Um, actually, that's been done. Yeast have been producing ethanol from sugar for how many years now? With very little modification, virtually none if you have a FFV, ethanol will work fine in your gas tank,... :-)

  7. Re:First! by si3n4 · · Score: 3, Informative

    metabolize not synthesize .......... enough mutation took place that this substance became a survival enhancing resource (or at least not a debilitating one in the environment)

  8. Re:Two words by NMerriam · · Score: 3, Informative

    Wake me up when puppies start having kittens.


    Indeed, such an event would completely disprove evolution, and should be noted. Such an event would be a miracle outside of biology, not macroevolution.
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    Recursive: Adj. See Recursive.
  9. Re:Two words by snkline · · Score: 5, Informative
    Hypothetical people? Hypothetical children?

    Ahem Faith in Prayer Kills Children

  10. Re:Two words by element-o.p. · · Score: 3, Informative

    IIRC, that's kind of the reasoning C.S. Lewis used to arrive at the conclusion that Jesus was who he said he was: if Jesus was legit, then end of story. If Jesus was not legit then he must have been insane to preach what he preached and challenge not just the Roman garrison in Israel, but also the Jewish priesthood in Israel.

    Generally, if you are going to pick a fight with someone, you don't go out of your way to piss off both your mark and your potential backers <grin>

    Lewis, however, could find no evidence -- other than Jesus' apparent disregard for the opinions of those in power -- that Jesus was insane, and therefore, Lewis concluded, Jesus had to be legit. I'm not satisfied that this is an entirely compelling argument, but I thought it was rather interesting, nonetheless.

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  11. Re:First! by Draykwing · · Score: 3, Informative

    Your premises are incorrect. If it had evolved an ability to metabolize a substance that was not present, how would the scientists know? Also, natural selection merely states that those traits which give a reproductive advantage will spread. If the substance they become able to metabolize is not present, how does said ability provide a reproductive advantage?

  12. Re:Two words by RsG · · Score: 5, Informative

    Stalin supporting evolution? Oh boy, were you misled. I'm going to go out on a limb and guess that whoever told you of the views on evolution in the USSR under Stalin was a creationist, who wanted to villify evolution.

    I suggest reading up on Lysenkoism and the effect it had on science in the Soviet Union:

    http://en.wikipedia.org/wiki/Lysenkoism

    (You'll probably want to look beyond wikipedia for the in-depth story, but it's a place to start.)

    Stalin was strongly anti-religious, but he was equally anti-evolutionary. Neither fit well with the beliefs of communism, and while Stalin probably wasn't an idealist, he needed his citizens to buy into a certain worldview. The notion of heredity doesn't gel well with the notion that all humans can be molded to the communist ideal.

    Lysenko's "science" was basically Lamarckism revisited in such a way as better fit communism. Genetics and evolutionary biology were labeled "bourgeois science". Actual evidence-based research was written off in favor of what the people in power would rather believe. Sound familiar?

    The parallels between Lysenkoism and Creationism (or Intelligent Design, to use the newspeak name for it) are striking. Both were proposed as alternatives to evolution by those who didn't want to have their worldview challenged by science, both were labeled and taught as science (despite failing to meet the scientific criteria), both had the vocal support of people in high places. The underlying "religion" was different - Lysenkoism was rooted in the quasi-religious views of Marxist-Leninism - but beyond that, they're the same story told in radically different countries.

    The major difference is scale - evolutionary biology was all but outlawed in the USSR under Stalin, whereas it has not been similarly repressed in the USA. That can be chalked up to the fact that the US doesn't have, and has never had, a party or ruler with that kind of unchecked authority.

    This little adventure into pseudoscience crippled Soviet biology for years to come. It can be argued that Russia still hasn't caught up to the rest of the world. An object lesson in why it is important to leave science to scientists, and keep faith, however deeply held, separate.

    --
    Erotic is when you use a feather. Exotic is when you use the whole chicken.