Darwin's no help on the origins of greed

The posters outside the Natural History museum's Darwin exhibition have a wary feel. They show the old boy shushing at the passers-by with a forefinger over his lips and a worried look in his eyes. Inside, the curators explain how he sat on his theory of evolution for fear of its social consequences with the help of a letter he wrote to his friend, Joseph Hooker. In 1844, 15 years before he found the courage to publish On the Origin of Species, he said: 'I ... Full Story »