Carbon-Nanotube Toxicity Test Tricks Scientists
Nanotechnology / Bio & Medicine
Sep 05, 2006 |
4.2 / 5 (48) |
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Recent research has revealed that a standard cell-viability test may be causing carbon-nanotubes to “fake” toxicity. This work may explain why some studies have concluded that carbon nanotubes – which are being studied for ...
MRI On the Cheap and On the Go
Sep 05, 2006 |
4.3 / 5 (33) |
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When we hear the term “MRI,” most of us probably think of a special treatment room in a hospital with a huge doughnut-shaped machine that costs a lot of money and makes a lot of noise. Researchers with the ...
Anticipation Plays a Powerful Role in Human Memory
Sep 05, 2006 |
4.6 / 5 (24) |
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Psychologists have long known that memories of disturbing emotional events - such as an act of violence or the unexpected death of a loved one - are more vivid and deeply imprinted in the brain than mundane recollections ...
How did our Ancestors' Minds really work?
Biology /
Sep 05, 2006 |
4.4 / 5 (25) |
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How did our evolutionary ancestors make sense of their world? What strategies did they use, for example, to find food? Fossils do not preserve thoughts, so we have so far been unable to glean any insights into ...
Nanoscientists Create Biological Switch from Spinach Molecule
Nanotechnology / Bio & Medicine
Sep 05, 2006 |
4.2 / 5 (25) |
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Nanoscientists have transformed a molecule of chlorophyll-a from spinach into a complex biological switch that has possible future applications for green energy, technology and medicine.
Study looks at blue light-emitting diodes
Sep 05, 2006 |
3.6 / 5 (27) |
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Japanese scientists have proposed a solution to the puzzle of why blue light-emitting diodes are so bright.
Born with a superstitious brain
Sep 05, 2006 |
4.4 / 5 (17) |
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An unusual experiment, conducted by Bruce Hood, Professor of Developmental Psychology at the University of Bristol, demonstrating that even the most rational people behave in irrational ways, became one of the star features ...
New Evidence Shows Antarctica Has Warmed in Last 150 Years
Space & Earth / Earth Sciences
Sep 05, 2006 |
4.5 / 5 (16) |
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Despite recent indications that Antarctica cooled considerably during the 1990s, new research suggests that the world's iciest continent has been getting gradually warmer for the last 150 years, a trend not identifiable in ...
Scientists Find Key to Copper Absorption, Essential to Life
Sep 05, 2006 |
4.1 / 5 (16) |
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Humans, animals and plants require copper to live, and scientists have now discovered how cells absorb this mineral that fuels the brain, heart and other vital organs.
Scientist: Adapt for global warming
Sep 05, 2006 |
4.3 / 5 (15) |
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The British Association for the Advancement of Science says the world must focus on preparing for the "hotter, drier world" that global warming will bring.
Genetic secrets of human egg discovered
Sep 05, 2006 |
3.6 / 5 (17) |
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U.S. scientists say they have identified the genes that are unique to the human egg.
Quantum Dots Probe Cell Death
Nanotechnology / Bio & Medicine
Sep 05, 2006 |
4.1 / 5 (14) |
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Aiming to help researchers get a better handle on how – and if – anticancer agents are triggering cell death, investigators at the University of Twente in The Netherlands have developed a quantum dot nanodevice that can detect ...
Don't rely on cold reason - trust your intuition as well
Sep 05, 2006 |
3.3 / 5 (15) |
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Risk and uncertainty are part of modern life, but why does the possibility of terrorist bombs on aeroplanes, a new generation of nuclear power stations and a flu pandemic trigger public distrust in the powers-that-be? What ...
When the magazine girl begs 'come hither,' the (female) reader yawns
Sep 05, 2006 |
3.1 / 5 (13) |
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For female magazine readers, sex doesn’t sell so much as it — bores. So conclude three University of Florida advertising professors in a new study that gauged young women’s emotional responses to ads featuring beautiful women ...
New lie detection technique for terror suspects
Sep 05, 2006 |
3.8 / 5 (8) |
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A leading deception expert has called for law enforcement agencies to do away with lie detector tests when questioning terror suspects because they are too unreliable.
