The Goffin's cockatoo is not a specialized tool user in the wild but has shown the capacity to invent and use different types of tools in captivity. Now cognitive biologists have tested these parrots ...

I was charmed by the name: keyhole garden. Who wouldn’t want one of those? Pictures confirmed its whimsy. There’s a distinctly “Alice in Wonderland” air about it. That’s a keyhole, all right, the ...