Smart Lighting: New LED Drops the 'Droop'
Jan 12, 2009 |
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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.
Why Men Rank Higher than Women at Chess (It's Not Biological)
Jan 12, 2009 |
2.9 / 5 (21) |
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(PhysOrg.com) -- In the recorded history of chess, world champions have always been male, not female. Further, there is currently only one woman in the top 100 chess players in the world. Because chess is ...
Nearly a century later, new findings support Warburg theory of cancer
Jan 12, 2009 |
4.9 / 5 (12) |
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German scientist Otto H. Warburg's theory on the origin of cancer earned him the Nobel Prize in 1931, but the biochemical basis for his theory remained elusive.
Observing the Quantum Hall Effect in 'Real' Space
Jan 12, 2009 |
4.2 / 5 (14) |
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(PhysOrg.com) -- When water transforms into steam, or magnetized iron changes to demagnetized iron, Katsushi Hashimoto explains to PhysOrg.com, a phase transition is taking place: “Classical phase transitions…often share ...
As super-predators, humans reshape their prey at super-natural speeds
Biology /
Jan 12, 2009 |
4.2 / 5 (13) |
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(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 ...
Giant bird feces records pre-human New Zealand
Biology /
Jan 12, 2009 |
4.6 / 5 (11) |
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(PhysOrg.com) -- A treasure trove of information about pre-human New Zealand has been found in faeces from giant extinct birds, buried beneath the floor of caves and rock shelters for thousands of years.
Scientists find cause of cartilage degeneration in osteoarthritis
Jan 12, 2009 |
5 / 5 (10) |
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The scientists describe their work in this week's Early Edition of the Proceedings of the National Academy of Sciences. In the study, the team shows how the loss of the protein HMGB2, found in the surface layer of joint ...
Astronomers hit a telescopic jackpot
Jan 12, 2009 |
4.2 / 5 (10) |
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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 ...
Canada's forests, once a help on greenhouse gases, now contribute to climate change
Jan 12, 2009 |
2.7 / 5 (13) |
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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 ...
Vitamin D is the 'it' nutrient of the moment
Jan 12, 2009 |
4.7 / 5 (7) |
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Vitamin D is quickly becoming the "it" nutrient with health benefits for diseases, including cancer, osteoporosis, heart disease and now diabetes.
Researchers develop camera for the blind
Jan 12, 2009 |
5 / 5 (5) |
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(PhysOrg.com) -- Elizabeth Goldring smiles as she shows a visitor photos she's taken — and can see — with her blind eye.
Why we procrastinate and how to stop
Medicine & Health / Psychology & Psychiatry
Jan 12, 2009 |
4.4 / 5 (5) |
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It's a new year and many of us have started thinking about various resolutions: updating that resume, cleaning out the attic, starting that exercise routine. But the sad reality is that most of us will not follow through ...
Dirty snow causes early runoff in Cascades, Rockies
Space & Earth / Earth Sciences
Jan 12, 2009 |
4.2 / 5 (5) |
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Soot from pollution causes winter snowpacks to warm, shrink and warm some more. This continuous cycle sends snowmelt streaming down mountains as much as a month early, a new study finds. How pollution affects ...
While the cat's away: How removing an invasive species devastated a World Heritage island
Biology /
Jan 12, 2009 |
5 / 5 (4) |
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Removing an invasive species from sub-Antarctic Macquarie Island, a World Heritage Site, has caused environmental devastation that will cost more than A$24 million to remedy, ecologists have revealed. Writing in the new issue ...
Researchers discover structure of key Ebola protein
Biology /
Jan 12, 2009 |
5 / 5 (4) |
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Research led by Iowa State University scientists has them a step closer to finding a way to counter the Ebola virus.
