The new documentary Metamorphosis shows how caterpillars shed their skin multiple times on the way to the chrysalis stage. But how do they know when to molt?
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Even as Richard Dawkins informs Rick Perry that "evolution is a fact," many evolutionary biologists are quietly (or not so quietly) abandoning the Tree of Life hypothesis.
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Dawkins's Ugandan elephants, Croatian lizards and Trinidadian guppies are misleading and almost certainly meaningless in the context of the evolution debate.
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No thoughtful person doubts that the body is meant, either by nature or purpose or however you think of it, to work optimally under certain defined conditions.
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Darwin had already won his man over — reading the book was almost superfluous. Of course Darwin was delighted by Kingsley's fawning support.
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Soon the frowning and furrowing turned to even more riveting and action-packed gestures. Like putting a book down, picking up other papers, flipping pages, standing up, putting things down on his desk, sitting back down.
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We have explored just a small handful of the confounding difficulties confronting the chemical origin of life. This is not a god-of-the-gaps argument, as Matzke claims.
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Lennox's endearing, yet firm, presence on stage was a far cry from the shrill and raucous behavior that commonly arises when the topics of science and religion intersect.
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