Comet not responsible for Clovis disappearance

A group of researchers has poured scorn on the idea that a comet wiped out the North American Clovis people 13,000 years ago.

Satnavs make your driving worse

Well, back-seat drivers tend not to improve people's driving any too much, so perhaps this isn't so surprising after all - but it seems that satnavs, too, can make it worse.

Tiny-brained bees beat computers to solve math problem

Despite having a brain the size of a grass seed, bumblebees can solve a complex mathematical problem which keeps computers busy for days.