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Scientific American Magazine
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Beyond North and South: Evidence for Magnetic Monopoles
Editor's note: The original online version of this story was previously posted.
Magnets are remarkable exemplars of fairness—every north pole is invariably accompanied by a counterbalancing south pole.
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Tweak Gravity: What If There Is No Dark Matter?
Modifications to the theory of gravity could account for observational discrepancies, but not without introducing other complications -
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Aftershocks can last for centuries
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Observations
Stellar deal: NASA awards $2 million to X PRIZE winners for helping develop a lunar lander
Emission Impossible?: Is Dark Matter Behind the Hazy Radiation at the Milky Way's Center?
How Noise Can Help Quantum Entanglement
The Long-Lost Siblings of the Sun
Is the nuclear material at Los Alamos safe from an earthquake?
Astronomical Artifact: Most Distant Object Yet Detected Carries Clues from Early Universe
An intergalactic race in space and time
Novel Analysis Confirms Climate "Hockey Stick" Graph
Polarized Peepers: Crustacean's Eyes Surpass Man-Made Optical Devices in Manipulating Light
Dark energy rips cosmos and agencies
US physicists propose astrophysics goals
Staying Out of a Jam: Air Force Looks at Nanotube Sheets for Electromagnetic Shielding
Emission Impossible?: Is Dark Matter Behind the Hazy Radiation at the Milky Way's Center?
Tweak Gravity: What If There Is No Dark Matter?
How Noise Can Help Quantum Entanglement
Energy Out of the Blue: Generating Electric Power from the Clash of River and Sea Water
Beyond North and South: Evidence for Magnetic Monopoles
A Plan to Power 100 Percent of the Planet with Renewables
Stellar deal: NASA awards $2 million to X PRIZE winners for helping develop a lunar lander
The Long-Lost Siblings of the Sun
Novel Analysis Confirms Climate "Hockey Stick" Graph
Astronomical Artifact: Most Distant Object Yet Detected Carries Clues from Early Universe
Does Economics Violate the Laws of Physics?
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Powering a Green Planet: Sustainable Energy, Made InteractiveThe Web-only article below is a special rich-media presentation of the feature, "A Path to Sustainable Energy by 2030", which appears in the November 2009 issue of Scientific American. It was created by FlypMedia.com. Use the arrow in the lower corner to navigate
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