Reversals of Earth's Magnetic Field Explained by Small Core Fluctuations
Apr 23, 2009 |
4.7 / 5 (40) |
25
(PhysOrg.com) -- Based on studies of old volcanic basalt, scientists know that the Earth’s magnetic field reverses at irregular intervals, ranging from tens of thousands to millions of years. Volcanic basalt ...
Indus script encodes language, reveals new study of ancient symbols
Other Sciences / Archaeology & Fossils
Apr 23, 2009 |
4.8 / 5 (17) |
1
(PhysOrg.com) -- The Rosetta Stone allowed 19th century scholars to translate symbols left by an ancient civilization and thus decipher the meaning of Egyptian hieroglyphics.
Presto! Fast color-changing material may lead to more powerful computers (w/Video)
Apr 23, 2009 |
4.5 / 5 (17) |
7
(PhysOrg.com) -- Researchers in Japan are reporting development of a new so-called "photochromic" material that changes color thousands of times faster than conventional materials when exposed to light.
A Hummer That Gets 100 MPG?
Apr 23, 2009 |
2.4 / 5 (24) |
17
(PhysOrg.com) -- One of the more interesting vehicles unveiled at the the Society of Automotive Engineers World Congress in Detroit is an electric Hummer that gets, according to its developer Raser Technologies, ...
A major breakthrough in generating safer, therapeutic stem cells from adult cells
Apr 23, 2009 |
5 / 5 (11) |
0
The new technique solves one of the most challenging safety hurdles associated with personalized stem cell-based medicine because for the first time it enables scientists to make stem cells in the laboratory from adult cells ...
Did 'Dark Gulping' Generate Black Holes in Early Universe?
Apr 23, 2009 |
3.6 / 5 (14) |
10
(PhysOrg.com) -- A process called ‘dark gulping’ may solve the mystery of the how supermassive black holes were able to form when the Universe was less than a billion years old.
Fire influences global warming more than previously thought
Apr 23, 2009 |
4.3 / 5 (12) |
1
Fire's potent and pervasive effects on ecosystems and on many Earth processes, including climate change, have been underestimated, according to a new report.
Even modest exercise can reduce negative effects of belly fat
Apr 23, 2009 |
4.8 / 5 (10) |
0
A new University of Illinois study suggests that moderate amounts of exercise alone can reduce the inflammation in visceral fat—belly fat, if you will—that has been linked with metabolic syndrome, a group of risk factors ...
Humans don’t get all the benefit from raw tomatoes
Apr 23, 2009 |
4 / 5 (11) |
1
Eating a raw tomato may not be the best way to release all its healthy antioxidants into the body.
Pillars of Creation formed in the shadows
Apr 23, 2009 |
4.7 / 5 (9) |
0
Research by astronomers at the Dublin Institute of Advanced Studies suggests that shadows hold the key to how giant star-forming structures like the famous "Pillars of Creation" take shape.
Caribbean at risk of tsunami
Space & Earth / Earth Sciences
Apr 23, 2009 |
4.2 / 5 (10) |
1
Up to 30,000 residents and tourists could be under threat from a newly discovered tsunami risk in the Caribbean, according to experts in disaster risk management.
Judge in Pirate Bay trial may have been biased
Apr 23, 2009 |
4.9 / 5 (8) |
2
A Swedish judge who found four men guilty of promoting copyright infringement by running filesharing site The Pirate Bay may have been biased and a retrial may be ordered, legal experts said Thursday.
Ion channel turns ear on its head
Medicine & Health / Neuroscience
Apr 23, 2009 |
5 / 5 (7) |
0
Scientists thought they had a good model to explain how the inner ear translates vibrations in the air into sounds heard by the brain. Now, based on new research from the Stanford University School of Medicine, it looks like ...
Alien lionfish swarm N.C. coast
Apr 23, 2009 |
4.7 / 5 (7) |
0
A handful of ravenous, venomous lionfish, a species native to the western Pacific, were spotted off North Carolina in 2000. Turns out they like it here. A lot.
Wetlands likely source of methane from ancient warming event
Space & Earth / Earth Sciences
Apr 23, 2009 |
4.7 / 5 (7) |
0
An expansion of wetlands and not a large-scale melting of frozen methane deposits is the likely cause of a spike in atmospheric methane gas that took place some 11,600 years ago, according to an international ...
