November 2009 Issue
Innovation and discovery as chronicled in past issues of Scientific American
Introducing the new board of advisers that serve as expert sources to our magazine
Letters to the editor: The Science of God and Left & Right
Scientific American recommendations on nuclear proliferation and ancient alcohol
The Internet stands ready to upend the television viewing experience, but exactly how is a matter of considerable dispute
Wind, water and solar technologies can provide 100 percent of the world's energy, eliminating all fossil fuels. Here's how
The sun was born in a family of stars. What became of them?
Industry leaders look way down the road
New analyses reveal the mini human species to be even stranger than previously thought and hint that major tenets of human evolution need revision
Glia are nervous system caretakers whose nurturing can go too far. Taming them holds promise for alleviating pain that current medications cannot ease
Growing crops in city skyscrapers would use less water and fossil fuel than outdoor farming, eliminate agricultural runoff, and provide fresh food
In-Depth Report
Galileo and the International Year of Astronomy
A look at the legacy of Galileo Galilei, 400 years after the Italian astronomer turned his spyglass to the heavens
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