Podcast: Fluorescent Cats, Wimpy Dads, and the Potential Downsides of Folic Acid

Does fatherhood make men wimpy? Are there downsides to taking folic acid? And how can glowing cats shed light on AIDS? Science's Online News Editor David Grimm chats about these stories and more with Science's Online Editor Stewart Wills.

(Listen to the full Science podcast and more podcasts.)

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