Piltdown Man: British archaeology's greatest hoax | Robin McKie Treasure from sunken galleon must be returned to Spain, judge says Archaeologists and pagans alike glory in the Brodgar complex | Liz Williams The Birth of Modern Britain by Francis Pryor - review Temple of Mithras comes home Unique Roman cavalry helmet pieced together 10 years after discovery China's tomb raiders laying waste to thousands of years of history Durham prisoner of war camp to be saved Napoleon Bonaparte and Egypt's lost scrolls Rio's Cemetery of New Blacks sheds light on horrors of slave trade Pendle Hill, the mummified cat and the wonder in our surroundings | Faisal Hanif Evidence for unknown Viking king Airdeconut found in Lancashire Archaeologists unearth 7th-century house in Yorkshire Dales Bronze age man's lunch: a spoonful of nettle stew Mayan tablet does not predict end of the world in 2012, says expert