06/04/2008

Subordinate monkeys more likely to choose cocaine over food

Having a lower social standing increases the likelihood that a monkey faced with a stressful situation will choose cocaine over food, according to a study at Wake Forest University School of Medicine. More dominant monkeys ...

Meteorites delivered the 'seeds' of Earth's left-hand life

Flash back three or four billion years — Earth is a hot, dry and lifeless place. All is still. Without warning, a meteor slams into the desert plains at over ten thousand miles per hour. With it, this violent collision ...