Physicists hope to tie light beams in knots
Sep 12, 2008 |
4.6 / 5 (131) |
33
Usually, light beams shine in a straight line, with the possible exception of light being bent by gravity. But scientists are now investigating how to make light beams into looped and knotted configurations. ...
Researchers develop nano-sized 'cargo ships' to target and destroy tumors
Nanotechnology / Bio & Medicine
Sep 12, 2008 |
4.9 / 5 (50) |
0
Scientists have developed nanometer-sized 'cargo ships' that can sail throughout the body via the bloodstream without immediate detection from the body's immune radar system and ferry their cargo of anti-cancer ...
Strict Mediterranean diet can help reduce deaths from major chronic diseases
Sep 12, 2008 |
3.9 / 5 (33) |
2
Sticking to a full Mediterranean diet provides substantial protection against major chronic diseases including heart disease, cancer and Parkinson's and Alzheimer's disease, according to a study published on bmj.com today.
Curbing coal emissions alone might avert climate danger, say researchers
Space & Earth / Earth Sciences
Sep 12, 2008 |
3.6 / 5 (36) |
19
An ongoing rise in atmospheric carbon dioxide from burning of fossil fuels might be kept below harmful levels if emissions from coal are phased out within the next few decades, say researchers. They say that ...
Revising and re-sizing history: New work shows Ohio site to be an ancient water works, not a fort
Other Sciences / Archaeology & Fossils
Sep 12, 2008 |
4.5 / 5 (27) |
0
(PhysOrg.com) -- The site known as Miami Fort is no fort at all, and it is also much larger than previously believed – so large, in fact, that its berms stretch to almost six kilometers in length, making it ...
New cannabis-like drugs could block pain without affecting brain, says study
Medicine & Health / Medications
Sep 12, 2008 |
4.4 / 5 (27) |
8
A new type of drug could alleviate pain in a similar way to cannabis without affecting the brain, according to a new study published in the journal Pain on Monday 15 September.
Permafrost carbon content double the old estimates
Sep 12, 2008 |
3.9 / 5 (27) |
21
New research indicates that the amount of frozen organic carbon locked away in the world’s permafrost regions – a major potential source of atmospheric carbon dioxide (CO2) and methane (CH4) – is double what ...
All in the Hips: Fossilized Discovery Leads Paleontologist to Find Early Whales Used Back Legs for Swimming
Other Sciences / Archaeology & Fossils
Sep 12, 2008 |
4.3 / 5 (14) |
3
(PhysOrg.com) -- The crashing of the enormous fluked tail on the surface of the ocean is a “calling card” of modern whales. Living whales have no back legs, and their front legs take the form of flippers that ...
Mate selection more biologically determined in some human populations
Biology /
Sep 12, 2008 |
4.7 / 5 (10) |
0
Some human populations may rely on biological factors in addition to social factors when selecting a mate. In a recent study, published September 12 in the open-access journal PLoS Genetics, scientists in China, France, and th ...
NASA Conducts First Test On New Motor For The Ares I Rocket
Space & Earth / Space Exploration
Sep 12, 2008 |
4.1 / 5 (9) |
4
(PhysOrg.com) -- Engineers at NASA's Marshall Space Flight Center in Huntsville, Ala., have completed first-round testing of a critical motor for NASA's new Ares I rocket. The Ares I is a two-stage rocket ...
Phoenix Lander Sees, Feels Martian Whirlwinds in Action
Space & Earth / Space Exploration
Sep 12, 2008 |
3.9 / 5 (9) |
4
(PhysOrg.com) -- NASA's Phoenix Mars Lander has photographed several dust devils dancing across the arctic plain this week and sensed a dip in air pressure as one passed near the lander.
COPD? Eat your veggies
Sep 12, 2008 |
4.4 / 5 (7) |
0
You know it's good for you in other ways, but could eating your broccoli also help patients with chronic lung disease? It just might.
Record breaking underwater camera to be showcased to public
Sep 12, 2008 |
3.6 / 5 (8) |
0
(PhysOrg.com) -- A revolutionary underwater camera, which has plunged to record breaking depths below the surface of the North Sea, will be showcased to members of the public at a key science event in Aberdeen ...
New research shows physical therapy as effective as arthroscopic knee surgery
Sep 12, 2008 |
4.3 / 5 (6) |
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A new study questioning the usefulness of arthroscopic surgery for osteoarthritis of the knee should encourage patients to consider physical therapy as an effective non-surgical option, according to the American Physical ...
Newresearch shows mad cow disease also caused by genetic mutation
Sep 12, 2008 |
4.8 / 5 (5) |
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New findings about the causes of mad cow disease show that sometimes it may be genetic. "We now know it's also in the genes of cattle," said Juergen A. Richt, Regents Distinguished Professor of Diagnostic Medicine and Pathobiology ...
