Revealed: how to pick the perfect Poohstick

Scientists say there is a formula for winning the stick-throwing bridge game made famous by Winnie the Pooh and friends

Poohsticks, the timeless game made famous by Winnie the Pooh, Piglet and Christopher Robin, is not a game of chance, according to scientists - and there's even a formula to win.

The game, in which competitors drop sticks into a river upstream off a bridge and see which comes out downstream first, is first mentioned in the book The House At Pooh Corner by AA Milne published in 1928.