And the Ig Nobel winners are...

The Ig Nobels are a spoof of the Nobel prizes, honouring achievements that ‘first make people laugh, and then make them think’. The Nobels, meanwhile, will be announced next month.

*The 22nd Ig Nobel awards, organised by the humour magazine Annals of Improbable Research, were awarded on Thursday at Harvard University.

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*When a team of scientists decided to work out the complex mathematics that control the shape and movement of a human ponytail, they had not set their sights on fame or glory. On Thursday, however, the British-American team behind the work were celebrated as this year's laureates for the Ig Nobel prize in physics.

*The other winners who made work fun are: