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60-Second Science

Scientific American

Science & Medicine, Natural Sciences, Technology

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Natural Sciences 6
Science & Medicine 21

Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of science. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American . To view all of our archived podcasts please go to www.scientificamerican.com/podcast

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Howler Monkeys Trade Testicles for Decibels

November 13th, 2015

Episode 360 of 600 episodes

Among howler monkey species, loud calls come at the expense of testicle size and sperm production—or to put it another way, monkeys with the largest testes don't make as much noise

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