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Seven-Foot-Long Arthropod

In the Ordovician period, some 443–485 million years ago, life was different. Peter Van Roy, co-author of a paper published this week in the journal Nature, describes a fossil found in Morocco dating back to that time—and it’s one of the largest arthropods ever discovered. http://goo.gl/ZonfLp #FullPodcastAvailable #Podcasts

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