Ancient human relative may have buried its dead

Humanity's claim to uniqueness just suffered another setback: scientists reported on Thursday that a newly discovered ancient species related to humans also appeared to bury its dead.

New human species found. Discovery in S.Africa shines light on origin of mankind

The fossilized bones of 15 bodies from a previously unknown human species have been discovered in a cave in South Africa, it was announced Thursday, in what scientists hailed as a breakthrough in evolution research.