Extra credit readings

• Spinach Power Adds Muscle to Batteries New York Times 11/11/04
• Carotenoids: The Anti-Aging Antioxidants Antioxidants for Health and Longevity 2009
• A Prayerbook's Secret: Archimedes Lies Beneath NPR 7/27/06
• Algae: Biofuel Of The Future? ScienceDaily 8/19/08
• Flower power makes tropics cooler, wetter University of Chicago 6/16/10

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