Podcast: How Grammar Sways Voters, How Dad's Diet Affects His Sperm, and the Farthest Object Ever

Can grammar affect perceptions of a politician's electability? Can a father pass down the ill effects of his diet to his children? And what is the farthest object ever seen? Science's Online News Editor David Grimm chats about these stories and more with Science Podcast host Robert Frederick.

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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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