Beer, for the most part, is not like wine—it does not improve with age. Quite the contrary, in fact. Old beer is a comparatively unpalatable shadow of its former self—skunky in odor, bitter in aftertaste...
A major dark matter experiment has taken a swipe with its technological net in the hopes of catching some of the elusive particles that make up the universe's missing mass, and once again that net has come up empty...
Do animals give much thought to voluntary behavior? Before you or I reach for a cup of coffee, we make a conscious—even if barely so—decision to do it.
MINNEAPOLIS—Newly discovered fossil footprints at a site in northern Tanzania on the shore of Lake Natron capture a moment in time around 120,000 years ago when a band of 18 humans—early members of our own species, Homo sapiens —traipsed across wet volcanic ash to an unknown destination...
MINNEAPOLIS—In August 2010 archaeologists announced that they had discovered evidence that pushed back the origin of butchery nearly 800,000 years.
Not only can squids and octopuses sense sound, but as it turns out, these and other so-called cephalopods might be harmed by growing noise pollution in our oceans—from sources such as offshore drilling, ship motors, sonar use and pile driving...
One month to the day after the devastating twin blows of a magnitude 9.0 earthquake and subsequent 15-meter tall tsunami, Japanese officials have reclassified the accident at the Fukushima Daiichi nuclear power plant at the highest possible level...
Award-winning science journalist Maryn McKenna participated in a live online chat about antibiotic resistance with Scientific American 's Facebook page fans on April 11.
Pop quiz: True or false?
• The different cell types found in a given individual's body contain different DNA.
It’s one of the great frustrations of obstetric medicine: humans have been reproducing for hundreds of thousands of years, and yet doctors still haven't unraveled the mystery of why some women give birth well before their babies have fully developed in the womb.Despite researchers' and physicians' best efforts, the rate of preterm births—defined as babies born before 37 weeks of gestation—climbed 30 percent from 1981 through 2006...
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