"human evolution"

A Biologist Explains Why Humans Sleep Just 7 Hours (Less Than Any Other Primate)

Humans sleep less than every other primate on record, despite having the biggest brains — biologists call it the human sleep paradox.

Why Do Humans Snore? An Evolutionary Biologist Explains What’s Happening To Your Airway

You snore because your airway was redesigned for language. That structural trade-off has been with us for 40,000 years.

Why Do Humans Get Dizzy? An Evolutionary Biologist Explains

Every human will, at least once, experience a “head spin.” Not many of us, however, will know the delicate and complex machinery that causes...

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...

Why Do Humans Have Earlobes? An Evolutionary Biologist Explains

That soft little flap of tissue dangling from the bottom of your ear has puzzled scientists for decades. Here’s what we actually know about...