Podcast: Imaginary Horses, a New Way to Fight Fat, and More

How are brain-dead people helping scientists shrink waistlines? How did humans become social? Was a polka dotted horse drawn by early humans real or imaginary? 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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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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