regeneration

New to Nat Geo: Ask Your Weird Animal Questions

Do you have a cuckoo question about cuckoos? Is a question about monkeys driving you ape? Want some crazy answers about crazy ants? Welcome to our inaugural column of Ask Your Weird Animal Questions, where we give you a chance ...

Decapitated Worms Regrow Heads, Keep Old Memories

In French Revolution-style, researchers decapitated flatworms—then did something that would give even Madam Defarge the creeps. The scientists let the worms’ heads grow back and found that their memories returned along with the new noggins, according to a new ...