Why Don’t Woodpeckers Get Brain Damage?
Woodpecker image via Shutterstock
If you or I bump our heads hard enough on a hunk of wood, it might smart for a while. But to get through an average day, a woodpecker might ram its head into a tree trunk at a speed of 6 or 7 meters per second some 12,000 times without seeming [...]
Blind Woman Can See Again After a Tooth Is Implanted in Her Eye
Katherine Harmon writes in Scientific American that a Mississippi woman blind for the past nine years can see 20/70 after one of her own teeth was surgically implanted in one of her eyes:
To begin the months-long process, doctors removed one of Thornton’s canine teeth—aka an eyetooth—along with part of the jaw and cut it all [...]
