LifeWhat's the point of a fake 500-day Mars mission? Volunteers are being asked to play astronauts on a simulated Mars mission – but it's not the only way to learn how long-haul spacefarers will cope News
LifeBouncing back: How we deal with bereavement In The Other Side of Sadness, clinical psychologist George Bonanno asks the best way of coping with grief and why some feel it more than others Books & Arts