It lets aerospace engineers develop high-quality parts much faster than they could with traditional fabrication methods
The U.S. vanquished malaria and beat back AIDS, but Lyme and other illnesses are raging unchecked
A book entitled Discerning Experts explains why—and what can be done about it
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When Louisiana Gov. Bobby Jindal delivered the official Republican response to President Obama’s speech last night, he blasted elements of the economic stimulus package as “wasteful spending”– among them, “$140 million for something called ‘volcano monitoring.’”
“Instead of monitoring volcanoes, what Congress should be monitoring is the eruption of spending in Washington, D.C.,” Jindal said...
The salt marsh harvest mouse ( Reithrodontomys raviventris ) has been on the Endangered Species List since 1970. So why, after all of this time, has it gotten so much media attention in the last few weeks?...
Pres. Obama has tapped Kathleen Merrigan, an academic and former congressional aide who helped write federal organic food-labeling rules, to be deputy agriculture secretary.
Editor's Note: This post is also appearing at the American Institute for Biological Sciences' Year of Science 2009: Celebrate Evolution. For more, see our tribute to Darwin on his 200th birthday...
Editor's Note: University of Southern California geobiologist Katrina Edwards is taking part in a three-week drilling project at the Atlantic's North Pond—a sediment-filled valley on the ocean floor—designed to locate and study what she calls the “intraterrestrials”: the myriad microbial life-forms living inside Earth's crust...
Ice cores drilled from the poles have provided valuable historical climate records, as the composition of the ice and the air bubbles trapped therein offers a relatively pristine glimpse of ancient conditions...
Got milk? Then drink to this: A new study has linked high calcium intake to lower incidence of cancers, including colon cancer, in men and women between the ages of 50 and 78.
As if biodiversity wasn’t under siege already from encroaching human populations and climate change, it is literally under attack, according to a new study showing that most of the last half-century's conflicts were in the most ecologically rich—and threatened—parts of the planet...
The Orbiting Carbon Observatory (OCO), NASA’s satellite to track CO 2 emissions on Earth, failed to reach orbit after blasting off early this morning, crashing in the waters off of Antarctica and dashing hopes for the $278-million mission...
Nearly a decade ago, Leik Myrabo shared with Scientific American readers his vision for the future of space travel: a "LightCraft" pushed out to the stars by a pulsed infrared laser beam from the ground or pulled into space by a laser beamed down from a solar-powered station orbiting Earth...
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