Why do our fingers wrinkle in the bath?
The skin on our fingertips and toes shrivels like prunes when soaked for a few minutes in water. But is this an adaptation that occurred to help us in our evolutionary past?
Video by Andy Brownstone
Presented by Howard Timberlake
Additional Images & Footage: Getty Images, BBC News
Based on an article from BBC Future's Ask A Stupid Question column by Richard Gray.