Search results for gamma activity
Very High Energy Gamma Rays
Sep 25, 2009 |
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(PhysOrg.com) -- Gamma-rays are the most energetic known form of electromagnetic radiation, with each gamma ray being at least one hundred thousand times more energetic than an optical light photon. The most ...
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, ...
Stem cells could halt osteoporosis, promote bone growth
Mar 04, 2009 |
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While interferon gamma sounds like an outer space weapon, it's actually a hormone produced by our own bodies, and it holds great promise to repair bones affected by osteoporosis. In a new study published in the journal Stem Ce ...
Alzheimer's enzyme acts as a tumor suppressor
Jun 08, 2007 |
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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 |
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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 ...
Fermi Large Area Telescope Reveals Pulsing Gamma-Ray Sources
Sep 22, 2009 |
4.7 / 5 (6) |
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(PhysOrg.com) -- Scientists at the Naval Research Laboratory Space Science Division and a team of international researchers have positively identified cosmic sources of gamma-ray emissions through the discovery ...
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 ...
Fermi Telescope reveals a population of radio-quiet gamma-ray pulsars
Jul 02, 2009 |
4.9 / 5 (10) |
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(PhysOrg.com) -- A new class of pulsars detected by NASA's Fermi Gamma-ray Space Telescope is solving the mystery of previously unidentified gamma-ray sources and helping scientists understand the mechanisms ...
Fine-tuning treatments for depression
Medicine & Health / Neuroscience
Oct 18, 2009 |
3.5 / 5 (2) |
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New research clarifies how neurotransmitters like norepinephrine, serotonin, and dopamine, are regulated - a finding that may help fine-tune therapies for depression.
The MAGIC-II Telescope is ready to team up
Apr 15, 2009 |
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(PhysOrg.com) -- Together with the MAGIC-I telescope, MAGIC-2 allows stereoscopic observations using these two largest gamma-ray telescopes. Astronomers can explore sources of very-high energy gamma rays. ...
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 ...
ID3 provides career counseling for blood progenitors, driving the creation of gamma-delta T cells
Oct 15, 2009 |
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Like an unusually forceful career counselor, the Id3 protein decides the fate of a given white blood cell precursor, according to researchers at Fox Chase Cancer Center. Their findings, published today in the journal Immunity, de ...
Fermi Large Area Telescope reveals pulsing gamma-ray sources
Sep 09, 2009 |
4.6 / 5 (12) |
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Scientists at the Naval Research Laboratory (NRL) Space Science Division and a team of international researchers have positively identified cosmic sources of gamma-ray emissions through the discovery of 16 ...
Heart of a galaxy emits gamma rays
Oct 02, 2009 |
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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 ...
