Physicists Measure Elusive 'Persistent Current' That Flows Forever
Oct 08, 2009 |
4.8 / 5 (58) |
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(PhysOrg.com) -- Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire ...
Last time carbon dioxide levels were this high: 15 million years ago, scientists report
Space & Earth / Earth Sciences
Oct 08, 2009 |
3.6 / 5 (63) |
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You would have to go back at least 15 million years to find carbon dioxide levels on Earth as high as they are today, a UCLA scientist and colleagues report Oct. 8 in the online edition of the journal Science.
New pattern in our biological clock overturns long-held theory
Oct 08, 2009 |
4.9 / 5 (22) |
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(PhysOrg.com) -- University of Michigan mathematicians and their British colleagues say they have identified the signal that the brain sends to the rest of the body to control biological rhythms, a finding that overturns ...
A road of no return: Team implements the first '1-way roads' for light
Oct 08, 2009 |
4.7 / 5 (21) |
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Light readily bounces off obstacles in its path. Some of these reflections are captured by our eyes, thus participating in the visual perception of the objects around us. In contrast to this usual behavior ...
Team reports major step forward in cell reprogramming
Oct 08, 2009 |
4.9 / 5 (18) |
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(PhysOrg.com) -- A team of Harvard Stem Cell Institute (HSCI) researchers has made a major advance toward producing induced pluripotent stem cells, or iPS cells, that are safe enough to use in treating diseases ...
Color-changing roof tiles absorb heat in winter, reflect it in summer
Oct 08, 2009 |
4.6 / 5 (19) |
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(PhysOrg.com) -- Anyone who has ever stepped barefoot onto blacktop pavement on a hot sunny day knows the phenomenon very well: Black surfaces absorb the sun's heat very efficiently, producing a toe-scorching ...
Scientists decipher the 3-D structure of the human genome
Oct 08, 2009 |
5 / 5 (16) |
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(PhysOrg.com) -- Scientists have deciphered the three-dimensional structure of the human genome, paving the way for new insights into genomic function and expanding our understanding of how cellular DNA folds ...
Nissan's new concept car 'feels like flying' (w/ Video)
Oct 08, 2009 |
4.3 / 5 (16) |
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Nissan unveiled Thursday a futuristic concept car that tilts to the side when going around bends to make drivers feel like they are gliding through the air.
Scientists link chronic fatigue ailment to retrovirus
Oct 08, 2009 |
5 / 5 (11) |
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(PhysOrg.com) -- Scientists have discovered a potential retroviral link to chronic fatigue syndrome, known as CFS, a debilitating disease that affects millions of people in the United States. Researchers from the Whittemore ...
Temperatures of sea water fringing South Pole were tropical 50 million years ago
Space & Earth / Earth Sciences
Oct 08, 2009 |
4.2 / 5 (13) |
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(PhysOrg.com) -- The temperature difference between equatorial and polar sea waters was minimal during the extremely warm 'Greenhouse world' 60 to 50 million years ago. This is the main conclusion drawn by ...
Early hominid first walked on two legs in the woods
Other Sciences / Archaeology & Fossils
Oct 08, 2009 |
4.8 / 5 (10) |
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Among the many surprises associated with the discovery of the oldest known, nearly complete skeleton of a hominid is the finding that this species took its first steps toward bipedalism not on the open, grassy ...
Paleontologists discover a new Mesozoic mammal
Other Sciences / Archaeology & Fossils
Oct 08, 2009 |
4.2 / 5 (10) |
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Pittsburgh, Pennsylvania, USA…An international team of paleontologists has discovered a new species of mammal that lived 123 million years ago in what is now the Liaoning Province in northeastern China. The ...
Climate models don't tell the full story
Space & Earth / Earth Sciences
Oct 08, 2009 |
4 / 5 (10) |
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(PhysOrg.com) -- Climate models that predict heavy rainfall don’t give the whole picture, according to the results of a study by NWO (Netherlands Organisation for Scientific Research) scientist Martin Ziegler. He examined ...
Transcendental meditation reduces stress, improves mental health
Medicine & Health / Psychology & Psychiatry
Oct 08, 2009 |
4.2 / 5 (9) |
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Women with breast cancer reduced stress and improved their mental health and emotional well being through the Transcendental Meditation technique, according to a new study published in the current issue of the peer-reviewed ...
Philips announces breakthrough in fully digital light detection technology
Oct 08, 2009 |
4.9 / 5 (7) |
1
Royal Philips Electronics today announced that its scientists have developed a highly innovative digital silicon photomultiplier technology that will allow faster and more accurate photon (the basic quantum ...
