Scientists interpret physics behind invisibility cloaks
Aug 22, 2007 |
4.5 / 5 (184) |
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Is a perfect invisible cloak theoretically possible? Are there certain wavelengths—such as those in the visible spectrum—that can’t be made invisible? How will using imperfect materials affect the performance ...
Google Sky Turns Computer Into Telescope
Aug 22, 2007 |
3.9 / 5 (33) |
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Imagine cruising the heavens from your desktop and seeing all the spectacular images from NASA's Hubble Space Telescope. Exploding stars and faraway galaxies are just a mouse click away through Sky in Google ...
Engineers construct 220 million pixel computer display
Aug 22, 2007 |
3.7 / 5 (25) |
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Engineers at the University of California, San Diego have constructed the highest-resolution computer display in the world – with a screen resolution up to 220 million pixels.
Six-tonne T. rex quicker than Becks, say scientists
Biology /
Aug 22, 2007 |
4.5 / 5 (20) |
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T. rex may have struggled to chase down speeding vehicles as the movie Jurassic Park would have us believe but the world’s most fearsome carnivore was certainly no slouch, research out today suggests.
Folate mystery finally solved
Aug 22, 2007 |
4.6 / 5 (15) |
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Some biochemical processes, especially those in bacteria, have been so well studied it’s assumed that no discoveries are left to be made. Not so, it turns out, for Johns Hopkins researchers who have stumbled ...
Gene triggers obsessive compulsive disorder-like syndrome in mice
Aug 22, 2007 |
4.6 / 5 (14) |
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Using genetic engineering, researchers have created an obsessive-compulsive disorder (OCD) - like set of behaviors in mice and reversed them with antidepressants and genetic targeting of a key brain circuit. ...
Where did English summer go?
Aug 22, 2007 |
4.8 / 5 (12) |
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What is a proper English summer? Should we really expect unfettered sunshine and months spent in the garden with our barbecues? Is it time to admit our climate is variable and the weather is hard to predict?
Nanotweezers Unlock Anticancer Drug Secrets
Nanotechnology / Bio & Medicine
Aug 22, 2007 |
4.4 / 5 (13) |
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The annoying bulges of an overwound telephone cord that shorten its reach and limit a caller’s motion help explain why drugs called camptothecins are so effective in killing cancer cells, according to investigators led by ...
Using life's building blocks to control nanoparticle assembly
Nanotechnology / Bio & Medicine
Aug 22, 2007 |
5 / 5 (11) |
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Using DNA, the molecule that carries life’s genetic instructions, researchers at the U.S. Department of Energy’s Brookhaven National Laboratory are studying how to control both the speed of nanoparticle assembly and the structure ...
Study sheds new light on intimate lives of older Americans
Aug 22, 2007 |
4.1 / 5 (13) |
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The first comprehensive, nationally representative survey on the prevalence of sexual activity among older Americans provides a portrait of the intimate lives of people ages 57 to 85.
Researchers look at fossil fuel impacts
Aug 22, 2007 |
3.9 / 5 (13) |
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A team of Carnegie Mellon University researchers report that the choices U.S. officials make today could limit how the nation’s future energy needs are met and could cost consumers billions in idle power plants and associated ...
Spinning a new horizon for electronics
Aug 22, 2007 |
3.9 / 5 (11) |
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Spintronics has the potential to have as profound an impact on electronics as the development of the transistor had 50 years ago.
Climate change goes underground
Space & Earth / Earth Sciences
Aug 22, 2007 |
4.3 / 5 (10) |
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Climate change, a recent “hot topic” when studying the atmosphere, oceans, and Earth’s surface; however, the study of another important factor to this global phenomenon is still very much “underground.” Few ...
Vitamin E's lack of heart benefit linked to dosage
Aug 22, 2007 |
4.1 / 5 (10) |
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The reported failure of vitamin E to prevent heart attacks may be due to underdosing, according to a new study by investigators at Vanderbilt University Medical Center.
Why bad things can happen to the heart when 'good' cholesterol goes bad
Aug 22, 2007 |
4.4 / 5 (9) |
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It’s yet another example of how a good thing can go bad: Researchers have found evidence in laboratory studies that ‘good’ cholesterol, renowned for its ability to protect against heart disease, can undergo detrimental changes ...
