News tagged with central black
Active galaxies are different near and far
Jan 06, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- An ongoing X-ray survey undertaken by NASA's Swift spacecraft is revealing differences between nearby active galaxies and those located about halfway across the universe. Understanding these ...
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Cornell releases predator beetle to battle hemlock pest
Nov 11, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Cornell researchers released a well-studied beetle predator to test its ability to ward off a hemlock-killing aphid-like insect.
Cave study links climate change to California droughts
Space & Earth / Earth Sciences
Nov 10, 2009 |
4.3 / 5 (6) |
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California experienced centuries-long droughts in the past 20,000 years that coincided with the thawing of ice caps in the Arctic, according to a new study by UC Davis doctoral student Jessica Oster and geology professor ...
Scientists Make Ink Disappear, Make Paper Reusable
Oct 27, 2009 |
3.1 / 5 (16) |
4
(PhysOrg.com) -- Despite ongoing efforts to save the trees, many offices print high volumes of paper documents on a daily basis. Although many companies encourage paper recycling, both disposing of and recycling ...
Surviving breast cancer -- low-income females worst hit
Oct 14, 2009 |
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Later diagnosis, less first-course treatment and race are the main reasons for the difference in mortality between rich and poor breast cancer patients. A new study, published in the open access journal BMC Cancer, sugges ...
Researchers develop genetic map for cowpea, accelerating development of new varieties
Oct 13, 2009 |
4.7 / 5 (3) |
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Cowpea, a protein-rich legume crop, is immensely important in many parts of the world, particularly drought-prone regions of Africa and Asia, where it plays a central role in the diet and economy of hundreds ...
Lava flows in Daedalia Planum
Space & Earth / Space Exploration
Oct 09, 2009 |
3.5 / 5 (2) |
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(PhysOrg.com) -- Mars Express imaged Daedalia Planum, a sparsely cratered, untextured plain on the Red Planet featuring solidified lava flows of varying ages.
Retinal rescue: Cells derived from human embryonic stem cells reverse retinal degeneration
Oct 01, 2009 |
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A new study reports that transplanted pigment-containing visual cells derived from human embryonic stem cells (hESCs) successfully preserved structure and function of the specialized light-sensitive lining of the eye (known ...
Floundering El Ninos Make for Fickle Forecasts
Space & Earth / Earth Sciences
Sep 29, 2009 |
4.3 / 5 (7) |
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(PhysOrg.com) -- Since May 2009, the tropical Pacific Ocean has switched from a cool pattern of ocean circulation known as La Niña to her warmer sibling, El Niño. This cyclical warming of the ocean waters ...
Gulf fritillary is back
Sep 24, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- A showy butterfly with bright orange-red wings and a 4-inch wingspan is back in the Sacramento metropolitan area after a four-decade absence and in the Davis area after 30 years.
Balance organs affect brain blood flow
Medicine & Health / Neuroscience
Sep 23, 2009 |
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The organs of the inner ear have a direct effect on brain blood flow, independent of blood pressure and CO2 levels in the blood. Researchers writing in the open access journal BMC Neuroscience used a series of human centrifu ...
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