"genetics"

Are Sharks Even Sharks? New Genetic Study Could Rewrite Shark Evolution.

A new genome-based study suggests that ancient sharks like frilled and cow sharks could sit outside the family tree that includes all other...

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...