BBC News - Secret network of traffickers selling baby chimps exposed by BBC

Two studies suggest that the brain edits itself during sleep, paring back the tangle of neurons that grows in waking hours.

In Spain's hard-up Asturias region people are resettling rural areas and using online barter trade.

Men whose prostate cancer recurs after surgery are more likely to survive if, along with the usual radiation, they take drugs to block male hormones.

The woman, Zarina, tells the BBC she is the victim of a horrifying and unprovoked attack.