News tagged with active galaxies
Continent-sized radio telescope takes close-ups of Fermi active galaxies
Apr 22, 2009 |
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An international team of astronomers has used the world's biggest radio telescope to look deep into the brightest galaxies that NASA's Fermi Gamma-ray Space Telescope can see. The study solidifies the link ...
Active galaxies are different near and far
Jan 06, 2009 |
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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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Sexually spread diseases up, better testing cited
6 hours ago |
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(AP) -- Sexually spread diseases continue to rise, with reported chlamydia cases setting yet another record in 2008, government health officials said Monday.
Playing active video games can equal moderate intensity exercise
6 hours ago |
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Active Wii sports video games and some Wii fit activities may increase adults' energy expenditure as much as moderately intense exercise, according to research presented at the American Heart Association's Scientific Sessions ...
Are sterile mosquitoes the answer to malaria elimination?
6 hours ago |
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The Sterile Insect Technique (SIT), the release of sexually sterile male insects to wipe out a pest population, is one suggested solution to the problem of malaria in Africa. A new supplement, published in BioMed Central's ...
'Cross-talk' mechanism contributes to colorectal cancer
Nov 13, 2009 |
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Researchers at the University of Wisconsin-Madison School of Medicine and Public Health have identified a molecular mechanism that allows two powerful signaling pathways to interact and begin a process leading to colorectal ...
Doctors create gum that helps promote tooth health
Nov 13, 2009 |
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With the help of a gum chomping machine and years of careful chemistry, University of Kentucky researchers have developed a chewing gum that can help replace toothpaste and a toothbrush, thus improving the health of soldiers ...
Mysterious X-rays from a Nearby Galaxy
Nov 13, 2009 |
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(PhysOrg.com) -- The nucleus of an active galaxy, an AGN, contains a massive black hole that is vigorously accreting material. In the process it typically ejects jets of particles and radiates brightly at ...
Robotic Devices Providing Home-Care Rehabilitation (w/ Video)
Nov 13, 2009 |
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(PhysOrg.com) -- A group of researchers, at Northeastern University, have developed several portable robotic devices to aid in the rehabilitation process of stroke victims. These devices are small enough for ...
Paradoxical protein might prevent cancer
Nov 13, 2009 |
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(PhysOrg.com) -- One difficulty with fighting cancer cells is that they are similar in many respects to the body's stem cells. By focusing on the differences, researchers at Karolinska Institutet have found a new way of tackling ...
Russia gains new land after quake, lava flows: scientist
Space & Earth / Earth Sciences
Nov 13, 2009 |
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Russia, the world's largest country, has grown even larger recently thanks to an earthquake and a volcanic eruption in its seismically active far eastern regions, a scientist said on Friday.
New study describes connections between Circadian and metabolic systems
Nov 12, 2009 |
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A paper by University of Notre Dame biologist Giles Duffield and a team of researchers offers new insights into a gene that plays a key role in modulating the body's Circadian system and may also simultaneously modulate its ...
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