Archaeologists working near the site of an iron age home near Cambridge were perplexed when they uncovered a vast trove of frog skeletons. Quite why more than 8,000 bones had been piled up and preserved is a prehistoric mystery.They were all recovered from a single 14-metre-long ditch, right next to the site of an iron age roundhouse at Bar Hill, where there was a settlement during the middle and late iron age (400BC-AD43)...It is unlikely that these amphibians had been eaten by the people living at the settlement. The archaeologists say that, while there is evidence of amphibian consumption in...