Physicists in France have been playing marbles with water. By giving water droplets a non-stick coating, Pascale Aussillous and David Quere of the College de France in Paris turned them into beads ...

Do you buy expensive moisturisers in a bid to combat the ravages of age, or does catching a mid-afternoon whiff of your pits have you reaching for the roll-on? We smear various lotions and potions on ...