Opinion, arguments & analyses from guest experts and from the editors of Scientific American
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.
Many people assume that the 2009 H1N1 pandemic spread rapidly across the globe largely due to the sheer number of people hopping onto planes. But more than 120 years ago, trains and ships alone sped the transmission of the 1889 "Russian" flu so that it reached the U.S...
Dreams might be helping your brain do more than express Freudian fixations or practice escapes from prehistoric predators. They are there, in part, to help you learn, according to a new study from Harvard University...
Twin studies have shown that genetic factors can account for as much as 82 percent of the variability in children's reading skills. But while genes might set the bar for reading potential, a new study published April 23 in Science shows that teachers play a leading role in helping kids reach it...
With Europe's airport staffers scrambling to send tens of thousands of flights into the air to make up for a week's worth of halted traffic and stranded travelers thanks to Iceland's Eyjafjallajökull volcano, researchers at the U.K.'s University of Reading are taking the first direct measurements of the ash plume parked over Scotland...
Is it possible to see something without knowing you can see it? Maybe that's not so hard to imagine if you think of subliminal images flashed for a frame or two on a movie screen—too quickly for you to see consciously but perhaps long enough to add a frisson of fear...
A new sun-studying satellite had its coming-out party Wednesday, when scientists involved in the project presented early imagery and videos from the spacecraft's instruments at a news conference at the Newseum in Washington, D.C...
WASHINGTON—Many doctors and medical researchers applauded a new federal focus on comparative effectiveness research that was boosted through the 2009 stimulus package and codified with the signing of the health care reform bill in March...
Volcanoes, with their vast outpourings of greenhouse gases and sun-screening ash clouds, can affect climate. But what about the other way around?
A special issue of the Philosophical Transactions of the Royal Society A, dated May 28, rounds up research on the ways that climate change can drive volcanic eruptions as well as other geologic hazards such as earthquakes and landslides...
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