Tuesday is an anniversary worth noting: On Jan. 30, 1868, Charles Darwin published a follow-up to his masterpiece On The Origin Of Species. This less-popular tome (897 pages!) contained a vexing ...
Wolves, for example, have perky, upright ears. But the ears of many dogs are distinctly floppy. Darwin saw this odd trait in many domesticated species — "cats in China, horses in parts of Russia, ...
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