Subscription Center
Pigweed, ragweed and other monsters have begun to outsmart the advanced technologies that protect the biggest U.S. cash crops
Analyzing all the layers of the immune system at once speeds design and may one day deal a decisive blow against HIV
Hearing specialist and sax player Charles J. Limb says that studying the brain during flights of improvisation may provide new understanding of creativity—as well as insight into the musical genius of John Coltrane
A fancy cosmic-ray detector, the Alpha Magnetic Spectrometer, is about to scan the cosmos for dark matter, antimatter and more
A forgotten number system invented in the 19th century may provide the simplest explanation for why our universe could have 10 dimensions
Our bodies adjust to the cycle of day and night thanks to specialized neurons in our eyes. Ongoing study of these cells could lead to new treatments for winter depression and other conditions
By the latest estimate, the observable universe contains 200 billion galaxies. Astronomers wonder: Why so few?
Animal mimicry takes many forms—including chemical and acoustic varieties—and offers unique insights into evolution
The failure rate may be 90 percent, but if any of these exotic technologies succeeds, it could significantly improve energy security and efficiency
May 2013
April 2013
March 2013
February 2013
January 2013
December 2012
November 2012
October 2012
September 2012
August 2012
July 2012
June 2012
May 2012
April 2012
March 2012
February 2012
January 2012
See what we're tweeting about
jgold85 RT @LATerynbrown: Inside the crosstown rivalry: USC/UCLA neuroscience edition! http://t.co/5q6PLVQ0kY (with @larrygordonLAT)
Horganism How to "Steel Minority Students against Fear of Failure," plus my proposal on racial research: http://t.co/cwOaef3SZ4 http://t.co/3f4IO5s7Fw
gmusser N.J. has passed an important solar milestone: 1GW of solar power generation capacity. http://t.co/yryIHeLdLL
Deadline: Jun 30 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
Deadline: Jul 15 2013
Reward: $5,000 USD
SciBX: Science-Business eXchange, a joint publication from the makers
Powered By: 
YES! Send me a free issue of Scientific American with no obligation to continue the subscription. If I like it, I will be billed for the one-year subscription.
