Scientific American 2009-06 - June
Unlikely Suns, Improbable Planets
Astronomers find new worlds around surprisingly small stars
Also in this issue:
• Silent Mutations: Seemingly Trivial DNA Changes Can Hurt Health
• Racetrack Memory: Zooming Magnetic Bits for 3-D Data Storage
• Phosphorus Famine: The Threat to Our Food Supply
• Scientific American 10: Guiding Science for Humanity
• The Evolution of House Cats
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