First genome transplant changes one species into another
Biology /
Aug 16, 2007 |
4.7 / 5 (119) |
0
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) |
0
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, ...
MIT team aims to optimize chip designs
Aug 16, 2007 |
3.3 / 5 (12) |
0
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.
Dark matter mystery deepens in cosmic 'train wreck'
Aug 16, 2007 |
4.7 / 5 (49) |
0
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 ...
Physicists discover 'super crystals' in a semiconductor
Aug 16, 2007 |
4.6 / 5 (27) |
0
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.
Structure of 450 million year old protein reveals evolution's steps
Aug 16, 2007 |
4.2 / 5 (33) |
0
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 ...
Computing breakthrough could elevate security to unprecedented levels
Aug 16, 2007 |
4.5 / 5 (26) |
0
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.
'String' theory offers insight into catastrophic failure
Aug 16, 2007 |
3.9 / 5 (26) |
0
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 ...
Nanoscale blasting adjusts resistance in magnetic sensors
Aug 16, 2007 |
3.5 / 5 (10) |
0
A new process for adjusting the resistance of semiconductor devices by carpeting a small area of the device with tiny pits, like a yard dug up by demented terriers, may be the key to a new class of magnetic ...
Memory machine: Molecule stores memories in neocortex
Aug 16, 2007 |
4.8 / 5 (30) |
0
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?
Anthrax vaccine produces immunity with nanoparticles, not needles
Nanotechnology / Bio & Medicine
Aug 16, 2007 |
4.6 / 5 (8) |
0
A vaccine against anthrax that is more effective and easier to administer than the present vaccine has proved highly effective in tests in mice and guinea pigs, report University of Michigan Medical School scientists in the ...
Researchers develop method for mass production of nanogap electrodes
Aug 16, 2007 |
4.5 / 5 (15) |
0
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.
Researchers forcast 92 percent chance of record low Arctic sea ice extent in 2007
Space & Earth / Earth Sciences
Aug 16, 2007 |
4 / 5 (5) |
0
University of Colorado at Boulder researchers are now forecasting a 92 percent chance that the 2007 September minimum extent of sea ice across the Arctic region will set an all-time record low.
Savanna habitat drives birds, and perhaps others, to cooperative breeding
Biology /
Aug 16, 2007 |
5 / 5 (5) |
0
Delaying having kids to help raise the offspring of others seems like a bad choice if you want to reproduce, but many African starlings have adopted this strategy to deal with the unpredictable climate of their savanna habitats, ...
Researchers design humorous 'bot'
Technology / Computer Sciences
Aug 16, 2007 |
3.4 / 5 (10) |
0
University of Cincinnati researchers Julia Taylor and Larry Mazlack recently unveiled a "bot” — more accurately a software program — that recognizes jokes. They reported the development at the American Association for Artificial ...
