60-Second Science

Scientific American

Science & Medicine, Natural Sciences, Technology

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Science & Medicine 18
Natural Sciences 6

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


Plant Thorns Increase When Defense Needed

October 17th, 2014

Episode 139 of 582 episodes

In areas with few herbivores acacia plants don't bother to churn out many of the off-putting thorns. Cynthia Graber reports

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