Podcast: Fish-catching spiders, sucking water from thin air, and the disappearance of the passenger pigeon

How does a spider catch a fish? Could a mat of carbon nanotubes suck water from thin air? And what really drove the passenger pigeon extinct? Science's Online News Editor David Grimm chats about these stories and more with Science's Sarah Crespi.

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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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