Researchers identify a potentially universal mechanism of aging
Nov 26, 2008 |
4.7 / 5 (75) |
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Like our current financial crisis, the aging process might also be a product excessive deregulation. Researchers have discovered that DNA damage decreases a cell's ability to regulate which genes are turned on and off in ...
Creating a memory device out of paper
Nov 26, 2008 |
4.6 / 5 (56) |
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(PhysOrg.com) -- As technology continues to shrink, and as memory needs become more demanding, the industry dealing with microelectronics requires devices that are cost-efficient and lightweight. And, while organic materials ...
High-Temp Superconducting Nanowire System is First of its Kind
Nov 26, 2008 |
4.1 / 5 (47) |
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(PhysOrg.com) -- Scientists from the California Institute of Technology have, for the first time, created an array of nanowires that are superconducting at relatively high temperatures. This work, published ...
Plate tectonics started over 4 billion years ago, geochemists report
Space & Earth / Earth Sciences
Nov 26, 2008 |
4.6 / 5 (23) |
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(PhysOrg.com) -- A new picture of the early Earth is emerging, including the surprising finding that plate tectonics may have started more than 4 billion years ago — much earlier than scientists had believed, ...
'The photon force is with us': Harnessing light to drive nanomachines
Nov 26, 2008 |
4 / 5 (25) |
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Science fiction writers have long envisioned sailing a spacecraft by the optical force of the sun's light. But, the forces of sunlight are too weak to fill even the oversized sails that have been tried. Now ...
Where does the gene activity of youth go? New findings may hold the key
Biology /
Nov 26, 2008 |
4.8 / 5 (19) |
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New evidence may explain why it is that we lose not only our youthful looks, but also our youthful pattern of gene activity with age. A report in the November 26th issue of the journal Cell, a Cell Press publication, reveal ...
Nitric oxide can alter brain function
Nov 26, 2008 |
4.5 / 5 (19) |
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Research from the Medical Research Council (MRC) Toxicology Unit at the University of Leicester shows that nitric oxide (NO) can change the computational ability of the brain. This finding has implications for the treatment ...
Researchers create polymer solar cells with higher efficiency levels
Nov 26, 2008 |
4.7 / 5 (16) |
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Currently, solar cells are difficult to handle, expensive to purchase and complicated to install. The hope is that consumers will one day be able to buy solar cells from their local hardware store and simply hang them like ...
Secret to workplace happiness? Remember what you love about the job, study urges
Medicine & Health / Psychology & Psychiatry
Nov 26, 2008 |
4.2 / 5 (16) |
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Urging employees to simply rethink their jobs was enough to drop absenteeism by 60 per cent and turnover by 75 per cent, a new University of Alberta study shows.
Study of oldest turtle fossil
Other Sciences / Archaeology & Fossils
Nov 26, 2008 |
4.3 / 5 (15) |
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With hard bony shells to shelter and protect them, turtles are unique and have long posed a mystery to scientists who wonder how such an elegant body structure came to be.
Baffling Chronic Pain Linked to Rewiring of Brain
Nov 26, 2008 |
4.5 / 5 (14) |
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(PhysOrg.com) -- Scientists peered at the brains of people with a baffling chronic pain condition and discovered something surprising. Their brains looked like an inept cable guy had changed the hookups, rewiring ...
Source of geysers on Saturn's moon may be underground water
Space & Earth / Space Exploration
Nov 26, 2008 |
4 / 5 (14) |
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Saturn's moon Enceladus may indeed hide an underground reservoir of water. Scientists at Jet Propulsion Lab in California, the University of Colorado and the University of Central Florida in Orlando teamed ...
A computer can pick out speech even amid cacophony
Technology / Computer Sciences
Nov 26, 2008 |
4.8 / 5 (9) |
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(PhysOrg.com) -- Using a recent development in speech recognition, it is possible to search through television news programmes provided the recognition system has been trained beforehand. PhD candidate Marijn ...
Climate change wiped out cave bears 13 millennia earlier than thought
Other Sciences / Archaeology & Fossils
Nov 26, 2008 |
3.5 / 5 (12) |
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(PhysOrg.com) -- Enormous cave bears, Ursus spelaeus, that once inhabited a large swathe of Europe, from Spain to the Urals, died out 27,800 years ago, around 13 millennia earlier than was previously believed, scientists ...
It takes two to tango: Not only the receiving, but also the transmitting terminal of a nerve cell's synapse is higly ada
Nov 26, 2008 |
4.7 / 5 (7) |
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(PhysOrg.com) -- Where would we be without our ability to remember important information or, for that matter, to forget irrelevant details? Thanks to the flexibility of the nerve cell's communication units, ...
