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Archive: 01/12/2009

Canada's forests, once a help on greenhouse gases, now contribute to climate change

As relentlessly bad as the news about global warming seems to be, with ice at the poles melting faster than scientists had predicted and world temperatures rising higher than expected, there was at least a reservoir of hope ...

Space & Earth / Environment

created Jan 12, 2009 | popularity 2.7 / 5 (13) | comments 20

Astronomers hit a telescopic jackpot

Astronomers this year are about to get a windfall of new and improved telescopes of unprecedented power with which to explore the universe. The bonanza arrives 400 years after Galileo spied craters on the moon through the ...

Space & Earth / Astronomy

created Jan 12, 2009 | popularity 4.2 / 5 (10) | comments 1

Tiny robots used in surgical procedures

Tiny robots that aid surgical procedures and medical checkups currently are the focus of intense research and study. In fact, some of these small-scale devices already are in practical use.

Medicine & Health / Research

created Jan 12, 2009 | popularity 3.9 / 5 (8) | comments 0

New evidence that people make aspirin's active principle -- salicylic acid

Scientists in the United Kingdom are reporting new evidence that humans can make their own salicylic acid (SA) — the material formed when aspirin breaks down in the body. SA, which is responsible for aspirin's renowned effects ...

Chemistry /

created Jan 12, 2009 | popularity not rated yet | comments 0

New generation of salmonella-based, single dose vaccine candidates to fight infant pneumonia

One of the major challenges in modern vaccinology is to engineer vectors that are highly infectious, yet don't cause illness. Trickier still is to ensure that such weapons against infectious disease can be safely disarmed, ...

Medicine & Health / Research

created Jan 12, 2009 | popularity 5 / 5 (1) | comments 0

Smart Lighting: New LED Drops the 'Droop'

(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.

Physics / General Physics

created Jan 12, 2009 | popularity 4.8 / 5 (24) | comments 14

As super-predators, humans reshape their prey at super-natural speeds

(PhysOrg.com) -- Fishing and hunting are having broad, swift impacts on the body size and reproductive abilities of fish and other commercially harvested species, potentially jeopardizing the ability of entire ...

Biology /

created Jan 12, 2009 | popularity 4.3 / 5 (14) | comments 9

Primary-care physicians can fill gap in colorectal cancer screening

The number of people who need colonoscopies to screen for colorectal cancer is outpacing the number of endoscopists available to perform them, Medical College of Georgia researchers say.

Medicine & Health / Other

created Jan 12, 2009 | popularity not rated yet | comments 0

Evolution of new brain area enables complex movements

A new area of the cerebral cortex has evolved to enable man and higher primates to pick up small objects and deftly use tools, according to neuroscientists at the University of Pittsburgh School of Medicine and Pittsburgh's ...

Medicine & Health / Research

created Jan 12, 2009 | popularity not rated yet | comments 0

Wireless Microgrippers Grab Living Cells in 'Biopsy' Tests

(PhysOrg.com) -- In experiments that pave the way for tiny mobile surgical tools activated by heat or chemicals, Johns Hopkins researchers have invented dust-particle-size devices that can be used to grab ...

Chemistry /

created Jan 12, 2009 | popularity 5 / 5 (2) | comments 1

Hair of Tasmanian Tiger Yields Genes of Extinct Species

All the genes that the exotic Tasmanian Tiger inherited only from its mother will be revealed by an international team of scientists in a research paper to be published on 13 January 2009 in the online edition ...

Biology /

created Jan 12, 2009 | popularity 4.8 / 5 (4) | comments 1

Toward a long-sought saliva test for autism

Researchers in Italy are reporting discovery of abnormal proteins in the saliva of autism patients that could eventually provide a clue for the molecular basis of this severe developmental disorder and could be used as a ...

Chemistry /

created Jan 12, 2009 | popularity 5 / 5 (3) | comments 0

Microswimmers" make a big splash for improved drug delivery

They may never pose a challenge to Olympic superstar Michael Phelps, but the "microswimmers" developed by researchers in Spain and the United Kingdom could break a long-standing barrier to improving delivery of medications ...

Chemistry /

created Jan 12, 2009 | popularity 3 / 5 (1) | comments 0

Relapses more frequent in patients diagnosed with pediatric-onset multiple sclerosis

Patients who develop multiple sclerosis before age 18 appear to experience more relapses of symptoms than those diagnosed with the disease as adults, according to a report in the January issue of Archives of Neurology.

Medicine & Health / Research

created Jan 12, 2009 | popularity not rated yet | comments 0

'Refinery dust' reveals clues about local polluters

Cloaked in the clouds of emissions and exhaust that hang over the city are clues that lead back to the polluting culprits, and a research team led by the University of Houston is hot on their trails.

Space & Earth / Environment

created Jan 12, 2009 | popularity 3.5 / 5 (2) | comments 0