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Japanese Wins Ig Nobel Prize over Helium-Inhaling Alligator

Japanese Wins Ig Nobel Prize over Helium-Inhaling Alligator

   New York, Sept. 17 (Jiji Press)--A group of Japanese and other researchers won this year's Ig Nobel Prize for Acoustics on Thursday over an experiment to find out about the vocal mechanism of alligators by making them inhale helium.
   Takeshi Nishimura, 45, associate professor at Kyoto University's Primate Research Institute, and his colleagues received the award at a virtual ceremony.
   A Japanese researcher received an Ig Nobel Prize, a spoof of the Nobel Prize honoring humorous but creative research, for the 14th straight year.
   When humans vibrate their vocal chords, air inside their vocal tracts vibrate too, causing resonance. Helium is lighter than air and sound travels faster through helium than air, changing the resonance of human voice.
   This is why people's voice gets squeaky when they inhale helium. Helium has been used in experiments to see whether certain creatures create resonance.

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