Podcast: The Evolution of Friendship, What Lies Beneath the Moon's Surface, and More

David is the Online News Editor of Science.

Do baboons with more friends live longer? Did a mammoth die-off warm the world? And what lies beneath the surface of the moon? Science's Online News Editor David Grimm chats about these stories and more with Science podcast host Robert Frederick.

Listen to the ScienceNOW podcast.

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