SSS 2011-12-30

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Studying for a big exam at school or a presentation at work, but don't forget to get a good night's sleep. Brain scientists report more evidence this week that sleep can improve your memory. Researche

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SSS 2011-08-17

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? When a healthy rat smells a cat, it flees. But rats infected with the Toxoplasma brain parasite actually follow cat odors, often presumably to their doom, red in tooth a

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