How mammals grow ears: With a flaw | Science News

ADVERTISEMENT

MISSION CRITICAL

Support credible science journalism.

Subscribe to Science News today.


News

How mammals grow ears: With a flaw

Newly discovered rupture-and-repair process could explain a lot about infections and hearing defects

By
3:43pm, March 22, 2013

Hey evolution, thanks for nothing. When a mammal embryo develops, its middle ear appears to form in a pop-and-patch way that seals one end with substandard, infection-prone tissue.

“The way evolution works doesn’t always create the most perfect, engineered structure,” says Abigail Tucker, a developmental biologist at King’s College London. “Definitely, it’s made an ear that’s slightly imperfect.”

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from this issue of Science News

[title_1]
From the Nature Index Paid Content