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How Big Bang Gravitational Waves Could Revolutionize Physics

If the recent discovery of gravitational waves emanating from the early universe holds up under scrutiny, it will illuminate a connection between gravity and quantum mechanics and perhaps, in the process, verify the existence of other universes...

By Lawrence M. Krauss

Can Science Avert a Coffee Crisis?

Researchers are racing to breed beneficial new traits into the dangerously homogeneous coffee crop before it succumbs to disease or other threats

By Hillary Rosner

Math Games of Martin Gardner Still Spur Innovation

In what would be his centennial year, Martin Gardner, the longtime author of Scientific American's celebrated Mathematical Games column, continues to inspire mathematicians and puzzle lovers...

By Colm Mulcahy and Dana Richards


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