Podcast: Crowd Quakes, Fire Ant 'Rafts,' and More

What causes deadly crowd quakes? Was 2010's volcano-induced air travel shutdown warranted? And how do fire ants form rafts that help them survive floods? Science reporter Sara Reardon chats about these stories and more with Science Podcast host Robert Frederick.

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

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A 3D plot from a model of the Ebola risk faced at different West African regions over time.
Dancing sneakers on pavement
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