The Ig Nobel Prizes honor achievements that make people LAUGH, then THINK.
In the Ig Informal Lectures, some days after the ceremony, the new Ig Nobel Prize winners attempt to explain what they did, and why they did it.
The 2021 Ig Nobel Peace Prize was awarded to Ethan Beseris, Steven Naleway, and David Carrier, for testing the hypothesis that humans evolved beards to protect themselves from punches to the face.
REFERENCE: "Impact Protection Potential of Mammalian Hair: Testing the Pugilism Hypothesis for the Evolution of Human Facial Hair," Ethan A. Beseris, Steven E. Naleway, David R. Carrier, Integrative Organismal Biology, vol. 2, no. 1, 2020, obaa005.
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