First genome transplant changes one species into another
Biology /
Aug 16, 2007 |
4.7 / 5 (119) |
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For the first time, scientists have completely transformed a species of bacteria into another species by transplanting its complete set of DNA. The achievement marks a significant step toward the construction ...
All change at the Earth's core
Aug 16, 2007 |
4.5 / 5 (80) |
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It is hard to know what is going on over 3000 km beneath our feet, but until recently scientists were fairly confident that they understood the way the iron atoms in the Earth’s core packed together. However, ...
Dark matter mystery deepens in cosmic 'train wreck'
Aug 16, 2007 |
4.7 / 5 (49) |
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Astronomers have discovered a chaotic scene unlike any witnessed before in a cosmic “train wreck” between giant galaxy clusters. NASA’s Chandra X-ray Observatory and optical telescopes revealed a dark matter ...
Memory machine: Molecule stores memories in neocortex
Aug 16, 2007 |
4.8 / 5 (31) |
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What happens in our brains when we learn and remember? Are memories recorded in a stable physical change, like writing an inscription permanently on a clay tablet?
Structure of 450 million year old protein reveals evolution's steps
Aug 16, 2007 |
4.2 / 5 (33) |
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A detailed map that pinpoints the location of every atom in a 450-million-yeard-old resurrected protein reveals the precise evolutionary steps needed to create the molecule’s modern version, according to researchers ...
Physicists discover 'super crystals' in a semiconductor
Aug 16, 2007 |
4.6 / 5 (27) |
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University of Arizona physicists have discovered that "super crystals" -- crystals which are hundreds to thousands times larger than conventional crystals -- exist in certain organic semiconducting solids.
Computing breakthrough could elevate security to unprecedented levels
Aug 16, 2007 |
4.5 / 5 (26) |
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By using pulses of light to dramatically accelerate quantum computers, University of Michigan researchers have made strides in technology that could foil national and personal security threats.
Role seen for cannabis in helping to alleviate allergic skin disease
Aug 16, 2007 |
4.4 / 5 (23) |
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Administering a substance found in the cannabis plant can help the body’s natural protective system alleviate an allergic skin disease (allergic contact dermatitis), an international group of researchers from Germany, Israel, ...
'String' theory offers insight into catastrophic failure
Aug 16, 2007 |
3.9 / 5 (26) |
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What do a centuries old gambling puzzle, thread and catastrophic failure have in common" A simple experiment conducted by Kent State chemical physics professor Peter Palffy-Muhoray and graduate student Jake Fontana reveals ...
New caledonian crows find 2 tools better than 1
Biology /
Aug 16, 2007 |
4.7 / 5 (18) |
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Researchers have found that New Caledonian crows—which are known to make complex food-getting tools in the wild—can also spontaneously use one tool on another to get a snack. The researchers report their findings online August ...
Researchers develop method for mass production of nanogap electrodes
Aug 16, 2007 |
4.5 / 5 (15) |
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Researchers at the University of Pennsylvania have developed a reliable, reproducible method for parallel fabrication of multiple nanogap electrodes, a development crucial to the creation of mass-produced nanoscale electronics.
Photons on the Half Shell
Aug 16, 2007 |
4.2 / 5 (12) |
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In the realm of ultra-fast science, there's a region where photons of light can be made to dance only half steps. Here, advances in laser science are letting researchers tinker with the behavior light in an ...
Is ultrasound as useful as we think?
Aug 16, 2007 |
4.6 / 5 (9) |
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The usefulness of foetal 'nuchal thickness' as a technique for attempting to diagnose Down's syndrome in obstetric ultrasound is overstated and reliance on this surrogate marker may result in the 'loss' of normal babies.
MIT team aims to optimize chip designs
Aug 16, 2007 |
3.3 / 5 (12) |
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Computer chips inside high-speed communication devices have become so small that tiny variations which occur during chip fabrication can make a big difference in performance.
University of Delaware scientists take underwater robot on Black Sea expedition
Space & Earth / Earth Sciences
Aug 16, 2007 |
4.2 / 5 (9) |
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Using a novel underwater robot, University of Delaware marine scientists will help reveal the mysteries of the Black Sea's geology and maritime history, including ages-old shipwrecks, during an international ...
