No doubt about it, these bears have every right to kill you if you look at them.

Countless hours wasted watching Locked Up have taught me that prison changes a man. And based on developments in a zoo in Leipzig, Germany, it seems like captivity changes a bear as well.

For almost two years, three bears at the zoo have been going bald. And what began gradually has become a strange and worrying sight. Zoo keepers are stumped by the cause, although they are familiar with the problem.

The zoo keepers have tried rubbing lotion on them to help. Seriously. That job should be for convicted child molesters.

Check out the full story from Popular Science Magazines online edition at http://www.popsci.com