Mathematicians

Paradise lust: the man who sexed up America

He had two continents named after himself and thrilled Europe with the salacious tales of what he saw there. But, 500 years on, can we trust Amerigo Vespucci's accounts? Peter Popham discovers the full story

Festival of the Spoken Nerd, Bloomsbury Theatre, London

If there was a theme to Festival of the Spoken Nerd's mix of science and comedy tonight then it was pyrotechnics. From a tale of homemade napalm to a demonstration of a standing wave flame tube there were flashes and bangs aplenty, if no explosive end result.

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