Bird Feathers Produce Color Through Structure Similar to Beer Foam
Apr 02, 2009 |
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(PhysOrg.com) -- Some of the brightest colors in nature are created by tiny nanostructures with a structure similar to beer foam or a sponge, according to Yale University researchers.
Researcher discovers brain cells have 'memory'
Apr 02, 2009 |
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As we look at the world around us, images flicker into our brains like so many disparate pixels on a computer screen that change every time our eyes move, which is several times a second. Yet we don't perceive ...
Food security for leaf-cutting ants: Workers and their fungus garden reject endophyte invaders (w/Video)
Apr 02, 2009 |
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New diseases directly affect human survival and food security, especially as population density climbs. Leaf-cutting ants, one of a few groups of social insects to cultivate crops, have harvested plant material ...
Autism linked with stress hormone levels
Apr 02, 2009 |
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Some of the symptoms of the autistic condition Asperger Syndrome, such as a need for routine and resistance to change, could be linked to levels of the stress hormone cortisol, suggests new research led by the University ...
In the heart of the Orion Nebula
Apr 02, 2009 |
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(PhysOrg.com) -- A team of astronomers, led by Stefan Kraus and Gerd Weigelt from the Max-Planck-Institute for Radio Astronomy (MPIfR) in Bonn, used ESO's Very Large telescope Interferometer (VLTI) to obtain ...
Source of major health benefits in olive oil revealed
Apr 02, 2009 |
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Scientists have pinned down the constituent of olive oil that gives greatest protection from heart attack and stroke. In a study of the major antioxidants in olive oil, Portuguese researchers showed that one, DHPEA-EDA, protects ...
Bird can 'read' human gaze
Apr 02, 2009 |
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We all know that people sometimes change their behavior when someone is looking their way. Now, a new study reported online on April 2nd in Current Biology, a Cell Press publication, shows that jackdaws—birds related to cro ...
Engineer explores underwater wireless communications
Apr 02, 2009 |
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(PhysOrg.com) -- Milica Stojanovic says the best way to think about the need for better underwater communications is to consider the Titanic.
Wikipedia founder abandons Google search challenge
Apr 02, 2009 |
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Wikipedia founder Jimmy Wales has abandoned the floundering Wikia Search project, launched in January 2008 in an attempt to break the world's addiction to Google's Internet search service.
Novel needle could cut medical complications
Apr 02, 2009 |
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Each year, hundreds of thousands of people suffer medical complications from hypodermic needles that penetrate too far under their skin. A new device developed by MIT engineers and colleagues aims to prevent this from happening ...
Study: Video games can teach helpful behavior, too
Medicine & Health / Psychology & Psychiatry
Apr 02, 2009 |
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(PhysOrg.com) -- Previous research by Iowa State University psychologists has found that violent video games can teach children to be aggressive, producing more aggressive behaviors over time. But according ...
Grapefruit diet almost cost woman her leg
Apr 02, 2009 |
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A woman who ate a grapefruit each day almost had to have her leg amputated because of a dangerous blood clot, according to an unusual case study reported in the Lancet.
Prions serve as important source of variation in nature
Apr 02, 2009 |
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Special proteins known as prions, which are perhaps best known as the agents of mad cow and other neurodegenerative diseases, can also serve as an important source of beneficial variation in nature, confirms a new study in ...
Well-timed timeout effective in wiping out fear memory response
Apr 02, 2009 |
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Banishing a fear-inducing memory might be a matter of the right timing, according to new research.
Passover's matzoh ball soup may be good for your health
Apr 02, 2009 |
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With the Jewish holiday of Passover beginning at sundown next Wednesday, April 8, a staple of the traditional dinner -- chicken soup with matzoh balls -- may take on medicinal importance based on findings ...
