It was won by Dr Warren and his collegues at Unilever, a company that makes hair care products:
other awards include
His and his co-workers' research produced what has become known as the "Ponytail Shape Equation". It takes into account the stiffness of the hair fibres on the head, the effects of gravity and the presence of the random curliness or waviness that is ubiquitous in human hair to model how a ponytail is likely to behave.
Together with a new quantity the team calls the Rapunzel Number, the equation can be used to predict the shape that hair will take when it is drawn behind the head and tied together.
Fluid Dynamics Prize: Rouslan Krechetnikov (US/Russia/Canada) and Hans Mayer (US) for studying the dynamics of liquid-sloshing, to learn what happens when a person walks while carrying a cup of coffee.Yes, because nothing says "Malpractice suit" as much as exploding colons....
Anatomy Prize: Frans de Waal (Netherlands/US) and Jennifer Pokorny (US) for discovering that chimpanzees can identify other chimpanzees individually from seeing photographs of their rear ends.
Medicine Prize: Emmanuel Ben-Soussan and Michel Antonietti (France) for advising doctors who perform colonoscopies how to minimise the chance that their patients will explode.