There is no link between mobile phones and brain cancer, suggests further research in Denmark, based on a study of 350,000 people.

An ancient bone with a projectile point lodged within it appears to up-end - once and for all - a long-held theory of how the Americas were populated.

More than 2,000 young fish are released into two lakes to protect a species threatened with extinction.

Bolivian President Evo Morales says a planned road that provoked a long march by indigenous protesters will no longer go through a rainforest reserve.