Step out into the darkness a few hours after sunset. What do you see overhead? If you live in a relatively unpopulated part of the world, you might see the broad stripe of the Milky Way splashed against a backdrop of black sky punctuated by countless stars...
The prolific planet-hunting spacecraft that has already discovered some of the most intriguing exoplanets known has abruptly lost the capacity to carry out its mission, NASA officials announced May 15.NASA’s Kepler spacecraft, which launched in 2009, relies on an array of flywheels, or reaction-wheel assemblies, to stabilize the pointing of its telescope toward a field of stars in the Milky Way...
Future networks must push past current wireless bandwidth limitations
Doctors can’t inject cancer patients with intelligent nanobots programmed to launch surgical counterstrikes against the disease. That didn’t stop a team of medical researchers and software programmers from developing a video game several years ago that helped young patients imagine such an empowering scenario...
When NASA flew the shuttle prototype Enterprise through New York City last year, all we had to do was look out our windows at Scientific American one morning to watch it cruise past...
When a U.S. president nominates a candidate to take over the top spot at a major government agency such as the Defense Department, at least a few senators—usually from the opposing party—raise some objections, if for no other reason than to show that they will not rubber-stamp anyone the president proposes.But yesterday Republicans boycotted a vote on Gina McCarthy, President Barack Obama’s nominee to become the new administrator of the Environmental Protection Agency...
President Obama has restored science to its rightful place in the White House, says John Holdren, Obama’s senior science advisor.“Science is again where it should be,” he told an audience of 200 as part of a lecture series at the Stevens Institute of Technology in Hoboken, N.J...
On May 2, after nightfall shut down photosynthesis for the day in Hawaii, carbon dioxide levels in the atmosphere touched 400 parts-per-million there for the first time in at least 800,000 years...
By now we’re all painfully aware of the federal government’s across-the-board cutbacks on discretionary spending—better known as the sequester—and how it has imperiled publicly funded scientific research in the U.S...
Scientific American 's editorial board strongly believes that the US was wrong to mount a fake hepatitis B vaccination campaign in the effort to kill Osama bin Laden.
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