Child’s 130,000-year-old tooth could offer clues to extinct human relative

Researchers believe the discovery in a Laos cave proves that Denisovans lived in the warm tropics of southeast Asia

A child's tooth at least 130,000 years old found in a Laos cave could help scientists uncover more information about an early human cousin, according to a new study.

Researchers believe the discovery proves that Denisovans - a now-extinct branch of humanity - lived in the warm tropics of southeast Asia.