HumansDeliver us from evil: How biology, not religion, made humans moral Our survival instinct should undercut morality – but our mammalian brains pulled off an amazing evolutionary trick, says neurophilosopher Patricia Churchland Features
HumansHow walking helped humans take over the planet We are all fitter for a good walk – and we become smarter just by standing up. In fact, says a new book, the act of walking helped humans colonise a whole planet Culture