Biology news

Sawfishes sure can wield a saw (w/ video)

Sawfishes wouldn't be sawfishes if they didn't come equipped with long toothy snouts—their saws. Now, researchers reporting in the March 6 issue of Current Biology, have figured out what they use those saws for, and it ...

dateMar 05, 2012 in Plants & Animals
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Humans hot, sweaty, natural-born runners

Hairless, clawless, and largely weaponless, ancient humans used the unlikely combination of sweatiness and relentlessness to gain the upper hand over their faster, stronger, generally more dangerous animal prey, Harvard Anthropology ...

dateApr 16, 2007 in
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