Podcast: Wormholes, the Origin of Racism, and More

David is the Online News Editor of Science.

Was our universe born inside a wormhole? Why do people stereotype based on race? And how do caterpillars talk with their behinds? ScienceNOW Editor David Grimm chats about these stories and more with Science podcast host Robert Frederick.

Listen to the ScienceNOW podcast

(or listen to the full Science podcast.)

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