Thu, 4 August 2011
Hosts: Ed Brown, Penny Dumsday, Lucas Randall and Tom Sidwell.
People living in polar regions have bigger eyes and bigger brains. Neaderthals might have been wiped out by the sheer numbers of modern humans. Trojan asteroid discovered sharing Earth's orbit. Volcanoes discovered on the moon suggest it was geologically active only 800 million years ago, much more recently than previously thought.