News tagged with external radiation
Reactor leak halts Canada isotope work for 3 months
May 28, 2009 |
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A Canadian nuclear reactor that produced about a third of the world's supply of medical isotopes has halted operation for three months due to a heavy water leak, authorities said.
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Scientists Investigate Cause of 'Singing Dunes'
6 hours ago |
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(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...
FDA researchers identify new MRI safety risk for patients with pacemakers
7 hours ago |
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FDA researchers have found that certain cardiac pacemakers may inadequately stimulate a patient's heart while undergoing a magnetic resonance imaging (MRI) scan due to the magnetic pulses mixing with the electronic pulses ...
Studies quantify radiation doses, cancer risks from CT scans
8 hours ago |
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Doses of radiation from commonly performed computed tomography (CT) scans vary widely, appear higher than generally believed and may contribute to an estimated tens of thousands of future cancer cases, according to two reports ...
A unique geography -- and soot and dust -- conspire against Himalayan glaciers
Space & Earth / Earth Sciences
8 hours ago |
3 / 5 (1) |
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"So many disparate elements, both natural and man-made, converge in the Himalayas," said William Lau, a climatologist from NASA's Goddard Space Flight Center in Greenbelt, Md. "There's no other place in the ...
Researchers find reproductive germ cells survive and thrive in transplants, even among species
9 hours ago |
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Reproductive researchers from the University of Pennsylvania and The Children's Hospital of Philadelphia have succeeded in isolating and transplanting pure populations of the immature cells that enable male ...
Portions of Arctic coastline eroding, no end in sight, says new study
Space & Earth / Earth Sciences
19 hours ago |
3.9 / 5 (7) |
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The northern coastline of Alaska midway between Point Barrow and Prudhoe Bay is eroding by up to one-third the length of a football field annually because of a "triple whammy" of declining sea ice, warming ...
Parents: Be mindful of hazardous holiday ornaments
20 hours ago |
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A new study from Children's Hospital Boston's Division of Emergency Medicine has found that holiday decorations, particularly glass ornaments, are one more safety hazard parents must consider during the season. ...
Smoking continues gradual decline among U.S. teens, smokeless tobacco threatens a comeback
21 hours ago |
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(PhysOrg.com) -- Teen smoking reached its recent peak levels around 1996 and 1997, followed by a sharp decline for about six years and a continued more gradual decline ever since, according to the latest Monitoring the Future ...
New Study Turns Up the Heat on Soot's Role in Himalayan Warming (w/ Video)
Space & Earth / Earth Sciences
22 hours ago |
5 / 5 (2) |
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(PhysOrg.com) -- Soot from fire in an unventilated fireplace wafts into a home and settles on the surfaces of floors and furniture. But with a quick fix to the chimney flue and some dusting, it bears no impact ...
Fossils on the Edge of Forever
Space & Earth / Earth Sciences
22 hours ago |
4.9 / 5 (8) |
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Astrobiologists have not yet found alien life on other planets. But the fossil record has evidence of aliens of another sort: the Ediacarans that lived on Earth millions of years ago.
List of search results for external radiation
