Podcast: Senior Moments, Mass Extinctions, and Facebooking Ants

How do distractions cause senior moments? Did a good sense of smell help birds survive a mass extinction? And how does ant society resemble Facebook? 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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