Chameleons’ tongues still snappy in cool temperatures
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When the weather cools, ectothermic (cold-blooded) animals slow down, which should be good news for their potential prey. But the colorful chameleon has found a way to keep feeding at top speeds even in lower temps: an elastic-tissue tongue, which unlike regular muscles, can uncoil nearly as fast in lower temperatures as it can in [...]
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Is Homosexuality Natural? Yes. So is male lactation.
May 17th, 2013 |
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As Gwenn Seemel points out in her richly illustrated book, Crime Against Nature, the non-human animal kingdom is chock-full of examples that challenge many of our deeply held beliefs about what is “natural” behavior in everything from sexual preference to lifestyle choices to gender roles and even gender identity. A third gender, male pregnancy and [...]
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