What was thought to be bewitched traffic cones has been revealed to be nature at its cheekiest. Much like the final act in a episode of Scooby Doo, the mystery of the moving neon road guides was ...

Forget the laughing kookaburra—kea are the birds that really tickle each other's funny bones. The highly intelligent parrot has a specific call, that—like human laughter—puts other parrots that hear ...