News tagged with active region
Smart Lighting: New LED Drops the 'Droop'
Jan 12, 2009 |
4.7 / 5 (22) |
14
(PhysOrg.com) -- Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new type of light emitting diode (LED) with significantly improved lighting performance and energy efficiency.
Search results for active region
Of Mutants and Mechanisms: Researching Growth-Regulation Proteins That Underlie Cancer
Nov 09, 2009 |
not rated yet |
0
(PhysOrg.com) --A University of Arkansas researcher will study potential cancer-causing mutants of a protein involved in cell growth regulation, thanks to a supplemental grant from the National Institutes ...
Black hole outflows from Centaurus A detected with APEX
Jan 28, 2009 |
4.7 / 5 (14) |
3
(PhysOrg.com) -- Astronomers have a new insight into the active galaxy Centaurus A (NGC 5128), as the jets and lobes emanating from the central black hole have been imaged at submillimetre wavelengths for ...
Scientists observe super-massive black holes using Keck Observatory in Hawaii
Dec 10, 2009 |
5 / 5 (8) |
3
An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate. Their findings ...
Forecasters predict 6 Atlantic hurricanes for 2009
Space & Earth / Earth Sciences
Apr 07, 2009 |
2.5 / 5 (2) |
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Six hurricanes are expected to churn through the Atlantic this year, a Colorado State University forecast team said Tuesday as it lowered its estimates for the upcoming storm season.
Switchboard in the brain helps us learn and remember at the same time
Biology /
Jan 13, 2009 |
4.3 / 5 (3) |
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The healthy brain is in a constant struggle between learning new experiences and remembering old experiences, a new study in this week's PLoS Biology reports. Virtually all social interactions require the rapid exchange of new ...
Maps Unveil the Source of Starburst Galaxy's Winds
Nov 18, 2009 |
5 / 5 (8) |
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(PhysOrg.com) -- A research group at Kyoto University has discovered that shocks are the primary energy sources that excite the galactic wind region of starburst galaxy NGC 253. Their images of the center ...
Volcanic eruptions may split Africa: scientists
Space & Earth / Earth Sciences
Nov 03, 2009 |
4.8 / 5 (8) |
1
Volcanic activity may split the African continent in two owing to a recent geological crack in northeastern Ethiopia, researchers said on Tuesday.
Parasite breaks its own DNA to avoid detection
Apr 15, 2009 |
5 / 5 (6) |
1
The parasite Trypanosoma brucei, which causes African sleeping sickness, is like a thief donning a disguise. Every time the host's immune cells get close to destroying the parasite, it escapes detection by rearranging its DN ...
Brain-behavior disconnect in cocaine addiction
Medicine & Health / Neuroscience
May 25, 2009 |
4.4 / 5 (9) |
3
(PhysOrg.com) -- Parts of the brain involved in monitoring behaviors and emotions show different levels of activity in cocaine users relative to non-drug users, even when both groups perform equally well on ...
Venomous bite: Harmless digestive enzyme evolved into venom in two species
Oct 29, 2009 |
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0
(PhysOrg.com) -- Biologists have shown that independent but similar molecular changes turned a harmless digestive enzyme into a toxin in two unrelated species -- a shrew and a lizard -- giving each a venomous ...
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