Critical turning point can trigger abrupt climate change
Space & Earth / Earth Sciences
Apr 20, 2009 |
4.6 / 5 (58) |
9
Ice ages are the greatest natural climate changes in recent geological times. Their rise and fall are caused by slight changes in the Earth's orbit around the Sun due to the influence of the other planets. But we do not know ...
Can R2 gravity explain dark matter?
Apr 20, 2009 |
3.4 / 5 (60) |
50
(PhysOrg.com) -- "In many ways, the standard model of cosmology works very well," Jose Cembranos tells PhysOrg. "However, there are very basic features that we just do not know. We have dark energy and dark matter. They d ...
India's 'holy powder' finally reveals its centuries-old secret
Chemistry / Analytical Chemistry
Apr 20, 2009 |
4.7 / 5 (31) |
3
Scientists in Michigan are reporting discovery of the secret behind the fabled healing power of the main ingredient in turmeric — a spice revered in India as "holy powder." Their study on the ingredient, curcumin, ...
Keeping slim is good for the planet, say scientists
Apr 20, 2009 |
4.4 / 5 (33) |
3
Maintaining a healthy body weight is good news for the environment, according to a study which appears today in the International Journal of Epidemiology.
Climate change means shortfalls in Colorado River water deliveries
Apr 20, 2009 |
4.7 / 5 (27) |
1
The Colorado River system supplies water to tens of millions of people and millions of acres of farmland, and has never experienced a delivery shortage. But if human-caused climate change continues to make ...
Liquid crystal lasers promise cheaper, high colour resolution laser television
Apr 20, 2009 |
4.6 / 5 (21) |
4
(PhysOrg.com) -- Researchers at the Centre of Molecular Materials for Photonics and Electronics (CMMPE) (part of the Department's Photonics Research Group at the University of Cambridge) are leading the way ...
'Brief History' scientist Stephen Hawking 'very ill': university
Apr 20, 2009 |
5 / 5 (14) |
3
Stephen Hawking, the wheelchair-bound British physicist whose book "A Brief History Of Time" became an international best-seller, is "very ill" in hospital, Cambridge University said Monday.
Solar systems around dead Suns?
Apr 20, 2009 |
4.5 / 5 (15) |
3
(PhysOrg.com) -- Using NASA’s Spitzer Space Telescope, an international team of astronomers have found that at least 1 in 100 white dwarf stars show evidence of orbiting asteroids and rocky planets, suggesting ...
Researchers use brain interface to post to Twitter (w/Video)
Apr 20, 2009 |
4.4 / 5 (12) |
3
(PhysOrg.com) -- In early April, Adam Wilson posted a status update on the social networking Web site Twitter -- just by thinking about it.
'Cyberloafing' at work no bad thing, study says
Other Sciences / Social Sciences
Apr 20, 2009 |
4.2 / 5 (9) |
3
(PhysOrg.com) -- Employees who cyberloaf - use the Internet at work for their own interest - may be doing their bosses a favour, a Massey study suggests.
Tons of released drugs taint US water
Apr 20, 2009 |
4.4 / 5 (8) |
2
(AP) -- U.S. manufacturers, including major drugmakers, have legally released at least 271 million pounds of pharmaceuticals into waterways that often provide drinking water - contamination the federal government ...
China's Great Wall far longer than thought: survey
Other Sciences / Archaeology & Fossils
Apr 20, 2009 |
3.9 / 5 (9) |
0
The most comprehensive and technologically advanced survey of China's Great Wall has discovered the ancient monument is much longer than previously estimated, state media reported Monday.
Bridging the gap in nanoantennas
Apr 20, 2009 |
4.4 / 5 (8) |
1
In a recent publication in Nature Photonics, a joint team of researchers at CIC nanoGUNE, Donostia International Physics Center DIPC, Centro de Física de Materiales of CSIC/UPV-EHU in San Sebastian (Spain ...
Embryonic stem cells used to regenerate hair on mice in Japan
Apr 20, 2009 |
5 / 5 (7) |
1
A university lecturer in Japan has succeeded in regenerating hair on mice using embryonic stem cells, an achievement that could pave the way for the development of treatments for conditions including hair loss, it has been ...
Solar sigmoids explained
Apr 20, 2009 |
4.9 / 5 (7) |
2
(PhysOrg.com) -- 'Sigmoids' are S-shaped structures found in the outer atmosphere of the Sun (the corona), seen with X-ray telescopes and thought to be a crucial part of explosive events like solar flares. ...
