(Phys.org) —Watching starbirth isn't easy: tens of millions of years are needed to form a star like our Sun. Much like archeologists who reconstruct ancient cities from shards of debris strewn over time, ...
Apr 01, 2013
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(Phys.org) —The object in this image is Jonckheere 900 or J 900, a planetary nebula—glowing shells of ionized gas pushed out by a dying star. Discovered in the early 1900s by astronomer Robert Jonckheere, ...
Apr 01, 2013
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High fire activity periods in the Amazon region can be predicted months in advance on the basis of water storage data, a new study shows.
Mar 29, 2013
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(Phys.org) —Citizen-scientists around the world are poring through digital versions of 19th century logbooks of mariners who sailed from Pacific Northwest and California ports to explore the Arctic and ...
Mar 29, 2013
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(Phys.org) —Supernovae were always thought to occur in two main varieties. But a team of astronomers including Carnegie's Wendy Freedman, Mark Phillips and Eric Persson is reporting the discovery of a new ...
Mar 26, 2013
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(Phys.org) —Observations of hunting and meat eating in our closest living relatives, chimpanzees, suggest that regular inclusion of meat in the diet is not a characteristic unique to Homo. Wild chimpanzees ...
Mar 26, 2013
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It can take years of direct observation for a researcher to fully understand the diets of a community of herbivorous insects in a tropical rain forest. Now, five Smithsonian scientists are paving a fast track ...
Mar 25, 2013
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(Phys.org) —The positions of the planets next month will mean diminished communications between Earth and NASA's spacecraft at Mars.
Mar 21, 2013
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(Phys.org) —Experts in nuclear physics at the University of Surrey have helped develop research towards a 'nuclear battery', which could revolutionize the concept of portable power by packing in up to a million times more ...
Mar 21, 2013
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(Phys.org) —A sequence of radar images of asteroid 2013 ET was obtained on March 10, 2013, by NASA scientists using the 230-foot (70-meter) Deep Space Network antenna at Goldstone, Calif., when the asteroid ...
Mar 19, 2013
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Tree ring records indicate that in 774-775 CE, atmospheric carbon-14 levels increased substantially. Researchers suggest that a solar proton event may have been the cause. In solar proton events, large numbers of high-energy ...
Mar 15, 2013
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Water resources can become strained by both natural factors such as drought and by human factors such as unsustainable use. Water resource managers can develop practices to reduce overuse of water resources, but they cannot ...
Mar 15, 2013
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(AP)—When it comes to high school math, the course titles don't really matter or even predict what's in the textbook.
Mar 12, 2013
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In about a third of the global ocean, the abundance of life is limited by a dearth of biologically available iron. The supply of iron to a region that is depleted in this important nutrient can stimulate algal productivity, ...
Mar 12, 2013
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(Phys.org) —U.S. high school "sink or swim" placement policies that propel immigrant students into courses that they're linguistically and academically unprepared for – or conversely, that funnel all newcomers into remedial ...
Mar 08, 2013
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