Science 1 month ago Why Do Humans Have A Philtrum? An Evolutionary Biologist Explains The Groove Above Your Lip Why humans have a philtrum, the groove above your lip, explained by an evolutionary biologist — from embryonic face-building to vestigial an... 3 min read
Science 1 month ago A Biologist Explains Why Men Have Nipples. Hint: Blame Your First Weeks As An Embryo Men have nipples because embryos are sexually neutral for their first six weeks. Here's the developmental blueprint behind one of anatomy's... 3 min read
Science 1 month ago Why Do Humans Have A Uvula? An Evolutionary Biologist Explains The uvula is nearly unique to humans among mammals. An evolutionary biologist unpacks competing theories for why we evolved this odd little... 3 min read
Science 1 month ago A Biologist Explains Why Some People Have Smile Dimples Smile dimples aren't caused by a dominant gene — a biologist explains the muscle quirk behind them, and two surprising body parts that work... 2 min read