Crustaceans in NYC tap water, dead flowers accused of arson, plus Darwin and the colonisation of Mars

The year's most extraordinary weekend. Info and tickets here!

FT finally overcomes shyness, signs up for Facebook.

The 10 strangest things anyone's ever eaten

The mysterious lights that lured dozens of ships to destruction

How the mysterious collapse of nearly 300 young musicians at an English fête became one of the most controversial examples of 'mass hysteria' ever