Why don’t woodpeckers get headaches?

Cure for a headache

How do woodpeckers headbang into trees all day without a headache? Their skulls are built for it.

Ig Nobel 2006

Woodpeckers hammer at trees with huge forces, over and over. This paper explores the clever anatomy that protects their brains and eyes.

Highlights include a tongue that wraps around the skull like a seatbelt, and eyelids that close just before impact so their eyes don’t pop out.

the verdict

The original heavy metal fans.