Devin Powell
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All Stories by Devin Powell
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Earth
East Coast faces faster sea level rise
From North Carolina to Massachusetts, waters are rising more rapidly than the global average.
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Life
Grasshoppers’ terror outlives them
After an existence plagued by predatory spiders, the insects pass into oblivion, leaving a legacy of impoverished soil.
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Life
Calcium offers clues in mass extinction
Ocean acidification during Permian period may have caused the Great Dying.
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Life
Microbes flourish under Arctic sea ice
Oceanographic expedition surprised to find photosynthetic microorganisms thriving under frozen surface.
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Life
Ancient birds wiped out huge insects
Competition in the air trumped the advantage of extra atmospheric oxygen.
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Humans
Harappans may have lived, died by monsoon
Waning of seasonal rains over millennia gave rise to a civilization and then doomed it, a new study suggests.
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Humans
From cancer to quantum, teens’ scientific feats celebrated
Winners of the 2012 Intel ISEF show the promise of science for improving the world.
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The neutrino messengers
In 1844 Samuel Morse sent a telegram from Washington, D.C., to Baltimore using pulses of electrons to encode “What hath God wrought.” Now that message has gotten a reply, courtesy of physicist Kevin McFarland and a team of his colleagues. Kevin McFarland, a physicist who sent a message using neutrinos, left his mark on the […]
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Humans
Don’t listen to advice, and other advice from Nobel laureates
Top scientists share stories and words of wisdom with finalists at the Intel International Science and Engineering Fair.
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Humans
At ISEF, fusion is hot
A South Carolina teen makes the finals of the 2012 Intel International Science and Engineering Fair by developing a directed neutron source.
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Humans
Global flavor spices up science fair
The 2012 Intel International Science & Engineering Fair opened in Pittsburgh on May 13, with more than 1,500 high school students attending the weeklong competition.
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Earth
Big Antarctic ice sheet appears doomed
Warming climate is expected to trigger the sudden retreat of a partially floating glacier on the continent’s western side by 2100.