New Clues to Mechanism for Colossal Mangetoresistance
Aug 17, 2007 |
4.3 / 5 (48) |
0
Experiments at the U.S. Department of Energy's Brookhaven National Laboratory shed new light on some materials' ability to dramatically change their electrical resistance in the presence of an external magnetic ...
Polluted Dead Star Indicates Planets Like Earth May Have Formed Around Other Stars, Astronomers Report
Aug 17, 2007 |
4.7 / 5 (42) |
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The chemical fingerprint of a burned-out star indicates that Earth-like planets may not be rare in the universe and could give clues to what our solar system will look like when our sun dies and becomes a ...
Loneliness is bad for your health
Medicine & Health / Psychology & Psychiatry
Aug 17, 2007 |
4.4 / 5 (44) |
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Two University of Chicago psychologists, Louise Hawkley and John Cacioppo, have been trying to disentangle social isolation, loneliness, and the physical deterioration and diseases of aging, right down to the cellular level.
Today's white rice is mutation spread by early farmers
Biology /
Aug 17, 2007 |
4.6 / 5 (25) |
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Some 10,000 years ago white rice evolved from wild red rice and began spreading around the globe. But how did this happen?
Nanowire Coating for Bone Implants, Stents
Nanotechnology / Nanomaterials
Aug 17, 2007 |
4.7 / 5 (20) |
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University of Arkansas researchers have found a simple, inexpensive way to create a nanowire coating on the surface of biocompatible titanium that can be used to create more effective surfaces for hip replacement, ...
Moving to the rhythm of the Sun
Space & Earth / Space Exploration
Aug 17, 2007 |
4.7 / 5 (19) |
0
Scientists from the Ulysses mission have proven that sounds generated deep inside the Sun cause the Earth to shake and vibrate in sympathy. They have found that Earth’s magnetic field, atmosphere and terrestrial ...
Unique monitoring system for the Atlantic circulation proves its worth
Space & Earth / Earth Sciences
Aug 17, 2007 |
4.8 / 5 (18) |
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An international team of scientists have for the first time been able to continuously monitor the daily variations in the strength of the Atlantic’s circulation. Results from the first year of observations were published ...
Probing Question: Are artists born or taught?
Aug 17, 2007 |
4.1 / 5 (13) |
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In 17th century Rome, the Baroque painter Orazio Gentileschi gave all his children the finest art education available. But only one of them -- his daughter Artemisia -- developed into an artist. In fact, Artemisia matched ...
Nanoreactors for Reaction Cascades
Aug 17, 2007 |
4.5 / 5 (11) |
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Living cells are highly complex synthetic machines: Numerous multistep reactions run simultaneously side by side and with unbelievable efficiency and specificity. For these mainly enzymatic reactions to work so well collectively, ...
Are too many people diagnosed as 'depressed?'
Aug 17, 2007 |
4.2 / 5 (10) |
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Are too many people now diagnosed as having depression? Two experts give their views in this week’s BMJ.
Umbilical cord clamping should be delayed, says expert
Aug 17, 2007 |
4.4 / 5 (9) |
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Clamping and cutting of the umbilical cord should be delayed for three minutes after birth, particularly for pre-term infants, suggests a senior doctor in this week’s BMJ.
New nanotoxicology study delivers promising results
Nanotechnology / Bio & Medicine
Aug 17, 2007 |
4.4 / 5 (7) |
0
Findings by a team of researchers from Oak Ridge National Laboratory and the University of Tennessee bode well for using single-walled carbon nanohorns, a particular form of engineered carbon-based nanoparticles, for drug ...
Basil Orbits Earth
Space & Earth / Space Exploration
Aug 17, 2007 |
4.3 / 5 (7) |
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You'll never guess what was in Barbara Morgan's pocket when she blasted off from Kennedy Space Center last week onboard space shuttle Endeavour.
New research shows how chronic stress worsens neurodegenerative disease course
Medicine & Health / Psychology & Psychiatry
Aug 17, 2007 |
4.8 / 5 (6) |
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The evidence is accumulating on how bad stress is for health. Chronic stress can intensify inflammation and increase a person’s risk for developing central nervous system infections, neurodegenerative diseases, like multiple ...
Scientist redefines 'Internet addiction' and sets new standards for treatment
Aug 17, 2007 |
4 / 5 (7) |
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Is your first craving in the morning for your computer mouse? Do you obsessively check email in the middle of the night?
