A single mutation around 30,000 years ago appears to be responsible for several traits common in East Asian peoples, from thicker hair to denser sweat glands.
The second of two highly-controversial academic papers on the H5N1 avian influenza has now been published, showing the virus is just four mutations away from an airborne version that could pass from human to human.
Japanese researchers say they've created a mouse that sings like a bird. They say the development could shed light on the evolution of human language - and, they suggest, lead to the creation of a talking mouse.
Tibetans' adaptation to high altitude took place over less than 3,000 years, a new genetic analysis shows, in what was the fastest shift in human evolution yet discovered.
