Podcast: A Shredded Star, a Dolphin-Human Alliance, and More

4 May 2012 3:01 pm

Why do some dolphins help people fish? Is natural selection still acting on us? And what happens when a star gets too close to a giant black hole? Science's Online News Editor David Grimm chats about these stories and more with Science's Kerry Klein.

(Listen to the full Science podcast and more podcasts.)

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