News tagged with active region


Smart Lighting: New LED Drops the 'Droop'

Smart Lighting: New LED Drops the 'Droop'

Physics / General Physics

created Jan 12, 2009 | popularity 4.7 / 5 (22) | comments 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.





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Of Mutants and Mechanisms: Researching Growth-Regulation Proteins That Underlie Cancer

Of Mutants and Mechanisms: Researching Growth-Regulation Proteins That Underlie Cancer

Medicine & Health / Cancer

created Nov 09, 2009 | popularity not rated yet | comments 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 ...


Hubble Image Showcases Star Birth in M83, the Southern Pinwheel

Hubble Image Showcases Star Birth in M83, the Southern Pinwheel

Space & Earth / Astronomy

created Nov 05, 2009 | popularity 4.6 / 5 (10) | comments 1

(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

Study uses satellite imagery to identify active magma systems in East Africa's Rift Valley

Space & Earth / Earth Sciences

created Nov 04, 2009 | popularity 4.5 / 5 (4) | comments 0

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

Mimicking nature, scientists can now extend redox potentials

Chemistry / Biochemistry

created Nov 04, 2009 | popularity 4.8 / 5 (5) | comments 0

(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 ...


Camels carry salt in the Ethiopia's Afar Region

Volcanic eruptions may split Africa: scientists

Space & Earth / Earth Sciences

created Nov 03, 2009 | popularity 4.8 / 5 (8) | comments 1

Volcanic activity may split the African continent in two owing to a recent geological crack in northeastern Ethiopia, researchers said on Tuesday.


Fantastic Voyage

Fantastic Voyage

Space & Earth / Space Exploration

created Nov 02, 2009 | popularity 4.8 / 5 (19) | comments 3

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

created Nov 02, 2009 | popularity 4.9 / 5 (36) | comments 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

Starburst galaxy sheds light on longstanding cosmic mystery

Space & Earth / Astronomy

created Nov 02, 2009 | popularity 4.3 / 5 (3) | comments 0

(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

Venomous bite: Harmless digestive enzyme evolved into venom in two species

Biology / Plants & Animals

created Oct 29, 2009 | popularity not rated yet | comments 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 ...


The skeleton: Size matters

Medicine & Health / Research

created Oct 27, 2009 | popularity 4 / 5 (1) | comments 0

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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