Christopher Hitchens Attacked by Creationists Over Salamanders

Christopher Hitchens was impressed by the existence of blind cave organisms, and wrote that they argue against a linear progression in evolution. He's quite right; creationism doesn't explain why their god tossed in to salamanders and fish a collection of complex developmental mechanisms that the animals simply throw away and do not use. Evolution does -- descent from a sighted ancestor explains how blind cave animals can still possess the machinery for a lost organ.

Do you think the Discovery Institute would let this challenge pass by? Of course not. They put their top man on the job, so Casey Luskin wrote a rebuttal. After a long weekend and before a busy day of work, it always makes me happy to find a new Luskin screed -- they're so dang easy to shred. Here's his devastating critique:

Hitchens, Dawkins and Carroll can have all the evidence they want that the neo-Darwinian mechanism can mess things up, turn genes off, and cause "loss-of-function." No one on any side of this debate doubts that random mutations are quite good at destroying complex features. Us folks on the ID side suspect that random mutation and natural selection aren't good at doing very much more than that. And the constant citations by Darwinists of "loss of function" examples as alleged refutations of ID only strengthens our argument.

PZ Myers is a biologist and associate professor at the University of Minnesota, Morris. He runs the science blog, Pharyngula.

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