Midlife coffee and tea drinking and the risk of late-life dementia
Jan 15, 2009 |
4.3 / 5 (21) |
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Midlife coffee drinking can decrease the risk of dementia/Alzheimer's disease (AD) later in life. This conclusion is made in a Finnish Cardiovascular Risk Factors, Aging and Dementia (CAIDE) Study published ...
Next generation cloaking device demonstrated
Jan 15, 2009 |
4.6 / 5 (19) |
10
A device that can bestow invisibility to an object by "cloaking" it from visual light is closer to reality. After being the first to demonstrate the feasibility of such a device by constructing a prototype ...
The Future Is 3-D Liquid Crystals
Jan 15, 2009 |
4.4 / 5 (15) |
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(PhysOrg.com) -- Dr. Tim Wilkinson from the Department's Photonics Research Group, University of Cambridge, has made an exciting breakthrough, he has combined liquid crystals with vertically grown carbon nanotubes ...
Spin-polarized electrons on demand
Jan 15, 2009 |
4.6 / 5 (14) |
2
Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole ...
Martian Methane Reveals the Red Planet is not a Dead Planet
Space & Earth / Space Exploration
Jan 15, 2009 |
4.1 / 5 (15) |
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(PhysOrg.com) -- Mars today is a world of cold and lonely deserts, apparently without life of any kind, at least on the surface. Worse still, it looks like Mars has been cold and dry for billions of years, ...
Ancient rock's magnetic field shows that moon once had a dynamo in its core
Space & Earth / Space Exploration
Jan 15, 2009 |
4.9 / 5 (11) |
9
(PhysOrg.com) -- The collection of rocks that the Apollo astronauts brought back from the moon carried with it a riddle that has puzzled scientists since the early 1970s: What produced the magnetization found ...
Measuring quantum information without destroying it
Jan 15, 2009 |
4.6 / 5 (11) |
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(PhysOrg.com) -- One of the Holy Grails - so to speak - of science involves building quantum computers that can perform, with accuracy, the computations too advanced and too large for classical computers. While we remain ...
Discovery brings organic solar cells a step closer
Jan 15, 2009 |
4.3 / 5 (11) |
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Inexpensive solar cells, vastly improved medical imaging techniques and lighter and more flexible television screens are among the potential applications envisioned for organic electronics.
New Wireless 60 GHz Standard Promises Ultra-Fast Applications
Jan 15, 2009 |
4.4 / 5 (10) |
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(PhysOrg.com) -- Ultra-high-speed wireless connectivity - capable of transferring 15 gigabits of data per second over short distances - has taken a significant step toward reality. A recent decision by an ...
Fish guts explain marine carbon cycle mystery
Space & Earth / Earth Sciences
Jan 15, 2009 |
4.8 / 5 (9) |
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Research published today reveals the major influence of fish on maintaining the delicate pH balance of our oceans, vital for the health of coral reefs and other marine life.
A fantastic voyage brought to life
Nanotechnology / Bio & Medicine
Jan 15, 2009 |
4 / 5 (9) |
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Ever since the 1966 Hollywood movie, doctors have imagined a real-life Fantastic Voyage -- a medical vehicle shrunk small enough to "submarine" in and fix faulty cells in the body. Thanks to new research by ...
Now you see it, now you don't: Scientists unraveling the mystery of camouflage
Biology /
Jan 15, 2009 |
4.1 / 5 (7) |
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At Hogwarts, Harry Potter uses an invisibility cloak to hide from his enemies. In nature, animals like cuttlefish and chameleons use the awe-inspiring tricks of camouflage to hide from theirs.
Researcher gives first-ever estimate of worldwide fish biomass and impact on climate change
Space & Earth / Earth Sciences
Jan 15, 2009 |
3.6 / 5 (8) |
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Are there really plenty of fish in the sea? University of British Columbia fisheries researcher Villy Christensen gives the first-ever estimate of total fish biomass in our oceans: Two billion tonnes.
Surprising find: Medieval China was religious melting pot
Other Sciences / Archaeology & Fossils
Jan 15, 2009 |
4.3 / 5 (6) |
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(PhysOrg.com) -- Though it has gained a reputation for being closed off to the outside world, new research shows China has a long history of multiculturalism that extends back to the dynastic era.
Researchers discover a protein that amplifies cell death
Jan 15, 2009 |
4.2 / 5 (6) |
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Scientists at Albert Einstein College of Medicine of Yeshiva University have identified a small intracellular protein that helps cells commit suicide. The finding, reported as the "paper of the week" in the ...
