2015 Ig Nobel Awards(10 images)

The 2015 Ig Nobel Prize ceremony at Harvard University in Cambridge, Massachusetts on September 17, 2015.

2007 Ig Nobel Prize winner Dan Meyer swallows a sword on stage during the 2015 Ig Nobel Prize ceremony at Harvard University in Cambridge, Massachusetts on September 17, 2015. The prizes which are awarded by the Annals of Improbable Research are intended to celebrate the unusual, honor the imaginative and spur people's interest in science, medicine, and technology. Photo by Matthew Healey/ UPI | License Photo
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