The Bearable Density of Bird Bones

For earthbound creatures like us, flight just seems so fantastical. How do birds and bats and other flying beasties manage to get off and stay off the ground? Well, having wings obviously helps. And bird bones are hollow and seem delicate, which should help lighten the load. [More]


Please Tell Us What You Think

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Science Every Day

Cutting-edge science delivered direct to your inbox.