Frozen lightning: NIST's new nanoelectronic switch
Mar 02, 2007 |
4.3 / 5 (36) |
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Researchers at the National Institute of Standards and Technology have demonstrated a prototype nanoscale electronic switch that works like lightning—except for the speed. Their proof-of-concept experiments ...
For low-cost DNA nanostructures, recycle sticky ends
Mar 02, 2007 |
4.3 / 5 (34) |
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Scientists from Duke University have recently demonstrated a new method for assembling large, low-cost DNA nanostructures, in part by reusing the “sticky-ends,” the broken DNA strands used to connect the nanostructures. ...
Atom 'noise' may help design quantum computers
Mar 02, 2007 |
4.2 / 5 (30) |
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As if building a computer out of rubidium atoms and laser beams weren't difficult enough, scientists sometimes have to work as if blindfolded: The quirks of quantum physics can cause correlations between the ...
Computer-designed molecule to clean up fluorocarbons?
Mar 02, 2007 |
4.7 / 5 (27) |
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The chemical bond between carbon and fluorine is one of the strongest in nature, and has been both a blessing and a curse in the complex history of fluorocarbons. Now, in a powerful demonstration of the relatively ...
Hubble sees 'Comet Galaxy' being ripped apart by galaxy cluster
Mar 02, 2007 |
4.6 / 5 (26) |
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There are many galaxies of different shapes and sizes around us today. Roughly half are gas-poor elliptical-shaped galaxies with little new star formation activity, and half are gas-rich spiral and irregular ...
Genome sequencing reveals key to viable ethanol production
Mar 02, 2007 |
4.6 / 5 (26) |
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As the national push for alternative energy sources heats up, researchers at the University of Rochester have for the first time identified how genes responsible for biomass breakdown are turned on in a microorganism that ...
Nanotube formation captured on video
Nanotechnology / Nanomaterials
Mar 02, 2007 |
4.5 / 5 (22) |
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A Cambridge University-led team of scientists have successfully produced live video footage that shows how carbon nanotubes, more than 10,000 times smaller in diameter than a human hair, form.
Size of brain areas does matter -- but bigger isn't necessarily better
Biology /
Mar 02, 2007 |
4.1 / 5 (23) |
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The ability to hit a baseball or play a piano well is part practice and part innate talent. One side of the equation required for skilled performances has its roots in the architecture of the brain genetically determined ...
Plug and Play Bone Repair: Printing of Bioceramic Implants
Mar 02, 2007 |
4.7 / 5 (14) |
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A modified ink-jet printer can be used to directly print layer upon layer of artificial bone for quick-fix grafts used in reconstructive surgery.
'Finger rafting:' Ice sheets that mesh when they meet
Mar 02, 2007 |
4.5 / 5 (10) |
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A study reported in Physical Review Letters demonstrates how ice sheets sometimes interlace when they meet, rather than riding over or under each other, and discusses the implications for other phenomena from p ...
Rare cell prevents rampant brain activity
Mar 02, 2007 |
4.9 / 5 (9) |
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One of the mysteries of the brain is how it avoids ending up in a state of chaos, something which happens only on exceptional occasions, when it can lead to epileptic fits. Scientists at Karolinska Institutet have now uncovered ...
Genes and stressed-out parents lead to shy kids
Medicine & Health / Psychology & Psychiatry
Mar 02, 2007 |
4.8 / 5 (8) |
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New research from the Child Development Laboratory at the University of Maryland shows that shyness in kids could relate to the manner in which a stress-related gene in children interacts with being raised by stressed-out ...
Researcher reveals the truth about cats and dogs
Medicine & Health / Psychology & Psychiatry
Mar 02, 2007 |
3.8 / 5 (9) |
1
Ask most pet owners, and they will tell you they love their pets. So why is it that every year in Australia around 400,000 cats and dogs are surrendered to animal shelters or pounds?
Using morphine to hasten death is a myth, says doctor
Mar 02, 2007 |
4.8 / 5 (6) |
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Using morphine to end a person's life is a myth, argues a senior doctor in a letter to this week's BMJ. It follows the case of Kelly Taylor, a terminally ill woman who went to court earlier this month for the right to be ...
U.S. colleges going smoke-free
Mar 02, 2007 |
3.7 / 5 (7) |
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College campuses across the United States are going smoke-free, banning cigarettes inside and out.
