News tagged with active region
Smart Lighting: New LED Drops the 'Droop'
Jan 12, 2009 |
4.7 / 5 (22) |
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(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 |
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(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 ...
Hubble Image Showcases Star Birth in M83, the Southern Pinwheel
Nov 05, 2009 |
4.6 / 5 (10) |
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(PhysOrg.com) -- The spectacular new camera installed on NASA's Hubble Space Telescope during Servicing Mission 4 in May has delivered the most detailed view of star birth in the graceful, curving arms of ...
Study uses satellite imagery to identify active magma systems in East Africa's Rift Valley
Space & Earth / Earth Sciences
Nov 04, 2009 |
4.5 / 5 (4) |
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A team from the University of Miami, University of El Paso and University of Rochester have employed Interferometric Synthetic Aperture Radar (InSAR) images compiled over a decade to study volcanic activity ...
Mimicking nature, scientists can now extend redox potentials
Nov 04, 2009 |
4.8 / 5 (5) |
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(PhysOrg.com) -- New insight into how nature handles some fundamental processes is guiding researchers in the design of tailor-made proteins for applications such as artificial photosynthetic centers, long-range ...
Volcanic eruptions may split Africa: scientists
Space & Earth / Earth Sciences
Nov 03, 2009 |
4.8 / 5 (8) |
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Volcanic activity may split the African continent in two owing to a recent geological crack in northeastern Ethiopia, researchers said on Tuesday.
Fantastic Voyage
Space & Earth / Space Exploration
Nov 02, 2009 |
4.8 / 5 (19) |
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By travelling to the outer solar system, the two Voyager spacecraft allowed us to see amazing details of far-distant planets and moons.
African desert rift confirmed as new ocean in the making
Space & Earth / Earth Sciences
Nov 02, 2009 |
4.9 / 5 (36) |
8
(PhysOrg.com) -- In 2005, a gigantic, 35-mile-long rift broke open the desert ground in Ethiopia. At the time, some geologists believed the rift was the beginning of a new ocean as two parts of the African continent pulled ...
Starburst galaxy sheds light on longstanding cosmic mystery
Nov 02, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- An international collaboration that includes scientists from the University of Delaware's Bartol Research Institute in the Department of Physics and Astronomy has discovered very-high-energy ...
Venomous bite: Harmless digestive enzyme evolved into venom in two species
Oct 29, 2009 |
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(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 ...
The skeleton: Size matters
Oct 27, 2009 |
4 / 5 (1) |
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Vertebrates have in common a skeleton made of segments, the vertebrae. During development of the embryo, each segment is added in a time dependent manner, from the head-end to the tail-end: the first segments to be added ...
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