News tagged with armin
Vindictiveness doesn't pay
Mar 26, 2009 |
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Vindictiveness doesn't pay. This has been demonstrated by a current study at Bonn and Maastricht Universities. According to this study, a person inclined to deal with inequity on a tit-for-tat basis tends to experience more ...
Search results for armin
Estrogen-dependent switch tempers killing activity of immune cells
Aug 10, 2009 |
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The sex hormone estrogen tempers the killing activity of a specific group of immune cells, the cytotoxic T cells (CTLs), which are known to attack tumor cells and cells infected by viruses. The key player in this process ...
Tracking trash
Jul 15, 2009 |
1 / 5 (1) |
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(PhysOrg.com) -- What if we knew exactly where our trash was going and how much energy it took to make it disappear? Would it make us think twice about buying bottled water or "disposable" razors?
From the glass to the brain in 6 minutes
Jun 15, 2009 |
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Just one drink can quickly go to your head. Researchers in Heidelberg tested this well-known adage. Only six minutes after consuming an amount of alcohol equivalent to three glasses of beer or two glasses of wine, leading ...
Dogs, maybe not, but old genes can learn new tricks
May 11, 2009 |
5 / 5 (8) |
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A popular view among evolutionary biologists that fundamental genes do not acquire new functions was challenged this week by a new study in the Proceedings of the National Academy of Sciences.
Inflation 'felt' to be not so bad as a wage cut
Medicine & Health / Psychology & Psychiatry
Mar 23, 2009 |
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Many people view a rise in their income as a good thing, even when the increase is completely negated again by inflation. Researchers at Bonn University and the California Institute of Technology have discovered the cerebro-physiological ...
Dormant stem cells for emergencies
Dec 04, 2008 |
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Many specialized cells, such as in the skin, intestinal mucosa or blood, have a lifespan of only a few days. For these tissues to function, a steady replenishment of specialized cells is indispensable. This is the task of ...
How 'secondary' sex characters can drive the origin of species
Biology /
Aug 25, 2008 |
4.4 / 5 (5) |
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The ostentatious, sometimes bizarre qualities that improve a creature's chances of finding a mate may also drive the reproductive separation of populations and the evolution of new species, say two Indiana University Bloomington ...
Famous Supernovae Still Echo Across the Milky Way
May 30, 2008 |
4.4 / 5 (22) |
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While walking home on November 11, 1572, astronomer Tycho Brahe idly glanced at the sky. He was surprised to see a bright star in the constellation Cassiopeia that hadn’t been there before. The new star, which ...
Action replay of powerful stellar explosion
Mar 20, 2008 |
4.4 / 5 (7) |
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Astronomers have made the best ever determination of the power of a supernova explosion that was visible from Earth long ago. By observing the remnant of a supernova and a light echo from the initial outburst, ...
Money motivates -- especially when your colleague gets less
Nov 22, 2007 |
4.6 / 5 (17) |
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The feelings an individual has on receiving his paycheque depend critically on how much his colleague earns. Hard evidence for this comes from an experiment conducted by economists and brain scientists at the University of ...
List of search results for armin
