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    Creationists: what is the mechanism of adaptation.

    I've heard a lot of creationists want to contrast what they see as evolution with a process they call adaptation. Let's take the case of a population of bacteria becoming resistant to a particular antibiotic. How does that actually take place, in the creationist's view? How does a population go...
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    Putting the Cambrian explosion into perspective.

    Larry Moran on the Sandwalk blog had a great illustration of what portion of the common descent of life on earth we're discussing when looking at the Cambrian explosion. It's the bit circled in red Figure adapted from Keeling, P.J., Burger, G., Durnford, D.G., Lang, B.F., Lee, R.W., Pearlman...
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    Evolution of resistance often involves a temporary loss of fitness

    But serial passage of the resistant organism in the absence of antibiotic challenge will result in the rise of strains with compensatory mutations at different loci without the loss of the resistance allele. This evolution can restore the resistant bacteria to wild type levels of fitness and...
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    The definition of kind: can we get one?

    Whenever a creationist is asked to define kinds we get examples instead of a definition. (Interestingly the number of species contained in a given example increases with the evolutionary distance from humans.) So in the vain hope of getting a clearer picture of what a kind is I would like a...
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    A simple way to demonstrate a young earth

    See here Creation's Tiny Mystery: Table of Contents and here Diamonds May Be a Creationist's Best Friend Two creationist claims that the presence of short lived isotopes demonstrate a young earth. There's one major flaw in both of these arguments, the isotopes in question are produced...
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    Forensic evolution.

    Go to ERV blog for the whole story CSI: Virology – erv The long and the short of it is that an anaesthetist was convicted of professional malpractice because he had infected nearly 300 patients with Hep C. How did they know for sure? Evolution. Because viruses evolve quite rapidly they were...