The 2009 Ig Nobel prizewinners

(PhysOrg.com) -- The Ig Nobels are a highlight of the scientific calendar and award research that makes people laugh as well as think. The awards were presented last week at Harvard University in the U.S, and winning research included a bra that doubles as two face masks, a process for making diamonds from tequila, and Zimbabwe's scheme to simplify the handling of money.

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