Opinion, arguments & analyses from guest experts and from the editors of Scientific American
The immune system's cells work hard to fight off infections. But new research is uncovering their important role in cognition, and a study published online May 3 in The Journal of Experimental Medicine reveals how the immune system's T cells, which aren't present in the brain, can impact learning and memory...
Researchers at Henry Ford Hospital in Detroit are studying injury-related and other information gathered electronically from last year's Detroit Free Press Marathon in preparation for this year's race in October...
Charles Darwin's studies of heredity, adaptation and evolution included many experiments into the effects of crossbreeding and inbreeding in both plants and animals.
A tony social club in midtown Manhattan is not the place one might expect to find a verbal sparring match between famous physicists. But that was the case April 23 at the Harmonie Club, when Alan Guth and David Gross had a feisty off-the-cuff debate about Guth's model for the dawn of the universe...
The Deepwater Horizon explosion and oil spill keeps getting worse—now gushing more than 200,000 gallons per day, according to NOAA estimates—five times more than original estimates and more than BP's absolute worst case scenario in disaster plans filed with the government...
This past weekend, the renowned astrophysicist Stephen Hawking joined what seems to be a growing chorus of cautious naysayers—or nervous nellies?—when it comes to possible contact with intelligent aliens from other worlds...
U.S. Secretary of the Interior Ken Salazar announced a federal blessing for the controversial Cape Wind project today—clearing a path for mammoth wind turbines to be built offshore of the Massachusetts vacation destination, the first such offshore wind farm in the U.S...
A rare fossil find of two young feathered theropods has revealed that these animals sprouted a much wider range of plumage as they matured than contemporary birds do.
The Pap test has been enormously successful at reducing cervical cancer deaths, but it can miss early signs of malignancy, allowing undetected cases to become invasive.
The last time I slammed into a wall, it hurt. I'm not too fond of falling off three-story buildings, either. The laws of physics can be so unforgiving.
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