News tagged with gamma activity
The effect of gamma waves on cognitive and language skills in children
Oct 21, 2008 |
4.4 / 5 (20) |
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New studies conducted by April Benasich, professor of neuroscience at Rutgers University in Newark, and her colleagues reveal that gamma wave activity in the brains of children provide a window into their cognitive development, ...
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Alzheimer's enzyme acts as a tumor suppressor
Jun 08, 2007 |
5 / 5 (2) |
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Researchers at Burnham Institute for Medical Research have provided the first evidence that gamma-secretase, an enzyme key to the progression of Alzheimer’s, acts as a tumor suppressor by altering the pathway of epidermal ...
The hibernating stellar magnet: First optically active magnetar-candidate discovered
Sep 24, 2008 |
4.6 / 5 (50) |
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Astronomers have discovered a most bizarre celestial object that emitted 40 visible-light flashes before disappearing again. It is most likely to be a missing link in the family of neutron stars, the first ...
Making waves in the brain: Researchers use lasers to induce gamma brain waves in mice
Medicine & Health / Neuroscience
Apr 26, 2009 |
5 / 5 (5) |
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Scientists have studied high-frequency brain waves, known as gamma oscillations, for more than 50 years, believing them crucial to consciousness, attention, learning and memory. Now, for the first time, MIT researchers and ...
Integral expands our view of the gamma-ray sky
Feb 20, 2007 |
4.6 / 5 (22) |
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Integral's latest survey of the gamma-ray universe continues to change the way astronomers think of the high-energy cosmos. With over seventy percent of the sky now observed by Integral, astronomers have been ...
Astrophysicists explore a blazar
Mar 18, 2009 |
4.4 / 5 (17) |
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An international team of astrophysicists using telescopes on the ground and in space have uncovered surprising changes in radiation emitted by an active galaxy. The picture that emerges from these first-ever ...
Heart of a galaxy emits gamma rays
Oct 02, 2009 |
4.5 / 5 (6) |
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(PhysOrg.com) -- Quite a few distant galaxies turn out to be cosmic delivery rooms. Large numbers of massive stars are born in the hearts of these starburst galaxies, and later explode as supernovae. In the ...
Active galaxies flare and fade in Fermi telescope all-sky movie (w/Video)
Apr 24, 2009 |
5 / 5 (6) |
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The gamma-ray sky comes alive in a movie made from data acquired by NASA's Fermi Gamma-ray Space Telescope during its first three months of operations. Gamma rays from sources near and far turn the sky into ...
Alzheimer's disease drug treats traumatic brain injury
Jul 12, 2009 |
not rated yet |
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The destructive cellular pathways activated in Alzheimer's disease are also triggered following traumatic brain injury, say researchers from Georgetown University Medical Center (GUMC). They say this finding suggests that ...
Large Area Telescope explores high-energy particles
Jul 28, 2009 |
4.5 / 5 (8) |
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(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope is making some exciting discoveries about cosmic rays and the Large Area Telescope aboard Fermi is the tool in this investigation. Scientists in the ...
First gamma-ray-only pulsar observation opens new window on stellar evolution
Oct 16, 2008 |
4.8 / 5 (18) |
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About three times a second, a 10,000-year-old stellar corpse sweeps a beam of gamma-rays toward Earth. This object, known as a pulsar, is the first one known to "blink" only in gamma rays, and was discovered ...
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