So, what was a third eyelid doing in a human? Most refer to such bits of tissue as vestigial. The word means a structure that ...
Cuteness on MSN25d
12 Facial Expressions Dogs Can Make (And What Each Might Mean)Every pet parent wishes they could talk to their pup, but many don't realize just how much dogs are able to communicate without words. Facial expressions are one of the primary forms of nonverbal ...
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