In a stark demonstration of how award-winning breakthroughs can come from the most unlikely directions, researchers have won an Ig Nobel prize for discovering that mammals can breathe through their anuses.

After a series of tests on mice, rats and pigs, Japanese scientists found the animals absorb oxygen delivered through the rectum, work that underpins a clinical trial to see whether the procedure can treat respiratory failure.

The team is among 10 recognised in this year’s Ig Nobel awards (see below for more), the irreverent accolades given for achievements that “first make people laugh, and then make them think”. They are not to be confused with the more lucrative and career-changing Nobel prizes to be handed out in Scandinavia next month.

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Other work honoured on the night included US research to house pigeons in missiles to help guide them to their targets; UK investigations which found that claims of extreme old age tend to come from areas that have short average lifespans and and a historical lack of birth certificates, and a French study which found that scalp hair tends to whorl in a clockwise direction, though less so in the southern hemisphere.

After a series of tests on mice, rats and pigs, Japanese scientists found the animals absorb oxygen delivered through the rectum, work that underpins a clinical trial to see whether the procedure can treat respiratory failure.

The team is among 10 recognised in this year’s Ig Nobel awards (see below for more), the irreverent accolades given for achievements that “first make people laugh, and then make them think”. They are not to be confused with the more lucrative and career-changing Nobel prizes to be handed out in Scandinavia next month.