Humans may have evolved dexterous hands around half a million years earlier than previously thought, discovery of a 1.42-million-year-old bone fossil in Kenya suggests.
The way our hands look today has been shaped by our behaviour over millions of years, say scientists.
Human hands evolved not only for the manual dexterity needed to use tools, play a violin or paint a work of art, but so men could make fists and fight, researchers say.
Day in Pics: 21st December
Showbiz World - December 21, 2014
People Magazine Awards 2014