Archive: 12/14/2006
Scientists propose alternate model for plume on Enceladus
CHAMPAIGN, Ill. — What's causing all the commotion on Enceladus? Last year, when the Cassini spacecraft discovered an enormous plume erupting on Enceladus, one of Saturn's moons, scientists speculated that ...
Dec 14, 2006 |
4.2 / 5 (14) |
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Stardust findings override some commonly held astronomy beliefs
Contrary to a popular scientific notion, there was enough mixing in the early solar system to transport material from the sun's sizzling neighborhood and deposit it in icy deep-space comets. It might have been ...
Dec 14, 2006 |
4.4 / 5 (16) |
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Researchers create genetically matched embryonic stem cells for transplantation
Researchers at Children's Hospital Boston report a new and efficient strategy, using eggs alone, for creating mouse embryonic stem cells that can be transplanted without the risk of rejection because the cells are compatible ...
Medicine & Health / Medical research
Dec 14, 2006 |
3.5 / 5 (2) |
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Stem cell study reveals cells' capability in mouse brain tissue repair
UCSF scientists have determined that adult stem cells in a specific region of the mouse brain have a built-in mechanism that allows the cells to participate in the repair and remodeling of damaged tissue in the region.
Medicine & Health / Medical research
Dec 14, 2006 |
3.5 / 5 (2) |
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Microbe fixes nitrogen at a blistering 92 C
A heat-loving archaeon capable of fixing nitrogen at a surprisingly hot 92 degrees Celsius, or 198 Fahrenheit, may represent Earth’s earliest lineages of organisms capable of nitrogen fixation, perhaps even ...
Space & Earth / Earth Sciences
Dec 14, 2006 |
4.5 / 5 (20) |
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Taking nanolithography beyond semiconductors
A new process for chemical patterning combines molecular self-assembly with traditional lithography to create multifunctional surfaces in precise patterns at the molecular level. The process allows scientists ...
Nanotechnology / Nanomaterials
Dec 14, 2006 |
3.9 / 5 (22) |
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Very high frequency radiation makes dark matter visible
The stars and gas which are seen in galaxies account for only a few percent of the gravitating material in the Universe. Most of the rest has remained stubbornly invisible and is now thought to be made of a ...
Dec 14, 2006 |
4.4 / 5 (49) |
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Jules Verne goes hot and cold
For 21 days in a row, Jules Verne, the first Automated Transfer Vehicle (ATV), has not only survived the most stringent conditions of the space environment, but it has successfully tested on the ground its ...
Space & Earth / Space Exploration
Dec 14, 2006 |
3.8 / 5 (4) |
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New system solves the 'who is J. Smith' puzzle
Penn State researchers have developed an automated system that can determine which "J. Smith" is authoring papers on computer science—the one who teaches at Penn State or the one who teaches at M.I.T—as well as whether "J. ...
Technology / Computer Sciences
Dec 14, 2006 |
3.1 / 5 (7) |
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Boost for new cancer therapies
Scientists have revealed the critical role a key enzyme plays in helping cells divide in what could prove an important breakthrough for new cancer therapies.
Dec 14, 2006 |
4.7 / 5 (3) |
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Venus Express sees right down to the hell-hot surface
Thanks to ESA’s Venus Express data, scientists obtained the first large-area temperature maps of the southern hemisphere of the inhospitable, lead-melting surface of Venus.
Dec 14, 2006 |
4.5 / 5 (20) |
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Alternative theory of gravity explains large structure formation -- without dark matter
In the standard theory of gravity—general relativity—dark matter plays a vital role, explaining many observations that the standard theory cannot explain by itself. But for 70 years, cosmologists have never ...
Dec 14, 2006 |
4.4 / 5 (198) |
5
Massive gun 'buyback' doubled fall in Australian gun deaths
The chances of gun death in Australia dropped twice as steeply after 700,000 guns were destroyed in a national firearm ‘buyback’ and amnesty, reveals a decade long study in Injury Prevention.
Dec 14, 2006 |
2.8 / 5 (14) |
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1 in 3 drivers under 'the limit' for alcohol still test positive for drugs
One in three drivers suspected of driving while ‘over the limit,’ but subsequently found to be below maximum permissible levels of alcohol, nevertheless tested positive for a range of drugs, reveals research in Injury Prevention.
Dec 14, 2006 |
1.5 / 5 (2) |
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Over 500 sudden unexplained deaths every year, mostly in young men
Every year there are potentially more than 500 sudden unexplained deaths in England, reveals a nationwide study published ahead of print in the journal Heart.
Medicine & Health / Medical research
Dec 14, 2006 |
3.4 / 5 (5) |
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