The ancient ancestor of modern humans carved world's oldest abstract art on a mollusk shell with a shark tooth around 540,000 yrs ago, it has been revealed.
The way our hands look today has been shaped by our behaviour over millions of years, say scientists.
The disappearance of elephants 400,000 years ago led to the appearance of modern humans in the Middle East.
The researchers examined the dental microwear of teeth from several specimens of Homo habilis found at Olduvai Gorge between 1995 and 2007 excavated by a team from Rutgers University led by Robert J. Blumenschine.
Day in Pics: 19th December
Showbiz World - December 19, 2014
People Magazine Awards 2014