Podcast: Altruistic Robots, Surprised Dogs, and Armadillos With Leprosy

Can robots evolve altruism? What's behind a visual battle of the sexes in dogs? And can you get leprosy from an armadillo? Science's Online News Editor David Grimm 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.
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