Have you ever wondered why human ears are built the way they are, and how they came to be? Science has yet to fully uncover ...

When they put human ear enhancers into zebrafish, those enhancers became active in the fish’s gills. Then they did the opposite, using fish gill enhancers in mice, and those enhancers turned on ...

NEW YORK — A baby vulture at a New York zoo is being fed not by another bird but by hand puppet — a decades-old technique used to ensure the chick doesn’t identify too closely with its human ...