Using a combination of 3-D printing and cultured cells, scientists in China grew new ears for five children born with a defect called microtia.

While some animals have rotating ears, many scientists have speculated that humans, at the top of the food chain, don’t need ear functions with up-down precision hearing, “since we’re not ...

Humans actually have vestigial muscles that activate when listening closely to something, even though people lost the ability to really move their ears about 25 million years ago.

But humans lost the ability to move them millions of years ago. "It is believed that our ancestors lost their ability to move their ears about 25 million years ago.

In a sense, the inner ear bones of the Lufengpithecus is a missing link in the evolutionary history of human locomotion. It all comes down to bipedalism, or the fact that humans walk on two legs.