Podcast: The World's Toughest Biomaterial, Solar Curveballs, and More

What is the world's toughest biomaterial? Does the sun lob curveballs? And what role does dust play in earthquakes? Science's Online News 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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