LifeCase of the Rickety Cossack reveals unease about our fossil past We are the sole evolutionary remnant of a big family: in a new book, Ian Tattersall wonders why thinking about our dead cousins makes us so uncomfortable CultureLab
LifeCapuchin monkeys rival chimps as highly skilled nut-crackers Monkeys observed in Brazil can use tools, but they also know it doesn't take a sledgehammer to crack a nut – instead they exercise judgement and restraint ¿ìè¶ÌÊÓÆµ