The mathematics of cloaking
Dec 26, 2006 |
4.5 / 5 (104) |
0
The theorists who first created the mathematics that describe the behavior of the recently announced "invisibility cloak" have revealed a new analysis that may extend the current cloak's powers, enabling it to hide even act ...
A reason why video games are hard to give up
Medicine & Health / Psychology & Psychiatry
Dec 26, 2006 |
4.1 / 5 (33) |
0
Kids and adults will stay glued to video games this holiday season because the fun of playing actually is rooted in fulfilling their basic psychological needs.
New Program by Computer Scientist Prevents Crashes and Hacker Attacks
Technology / Computer Sciences
Dec 26, 2006 |
4 / 5 (25) |
0
Today’s computers have more than 2,000 times as much memory as the machines of yesteryear, yet programmers are still writing code as if memory is in short supply. Not only does this make programs crash annoyingly, but it ...
Complexity constrains evolution of human brain genes
Biology /
Dec 26, 2006 |
4.2 / 5 (18) |
0
Despite the explosive growth in size and complexity of the human brain, the pace of evolutionary change among the thousands of genes expressed in brain tissue has actually slowed since the split, millions of ...
New Study Links Wildfires to Ocean Temperatures
Dec 26, 2006 |
4.3 / 5 (17) |
0
Western U.S. wildfires are likely to increase in the coming decades, according to a new tree-ring study led by the University of Comahue in Argentina and involving the University of Colorado at Boulder that links episodic ...
Adults Who Go to Bed Lonely Get Stress Hormone Boost Next Morning
Medicine & Health / Psychology & Psychiatry
Dec 26, 2006 |
3.7 / 5 (15) |
0
A new study that takes a rare look at the physiological, social and emotional dynamics of day-to-day experiences in real-life settings shows that when older adults go to bed lonely, sad or overwhelmed, they have elevated ...
40 years ago, UW researcher changed our view of the world
Space & Earth / Space Exploration
Dec 26, 2006 |
4.1 / 5 (11) |
0
Forty years ago this month, thanks to an inventive University of Wisconsin-Madison scientist, our view of the world was changed forever.
A simple feedback resistor switch keeps latent HIV from awakening
Medicine & Health / HIV & AIDS
Dec 26, 2006 |
4.8 / 5 (9) |
0
Upon entering a cell, a virus often becomes dormant, turning off its genes and laying low until awakened by som e trigger from its environment. When that trigger is pulled, the virus quickly ramps up production ...
China discovers 1,700-year-old tomb
Other Sciences / Archaeology & Fossils
Dec 26, 2006 |
3.2 / 5 (11) |
0
Archaeologists have found a 1,700-year-old tomb dating back to the Jin Dynasty at a construction site in China's Jiangxi Province.
Stem cells as cancer therapy
Dec 26, 2006 |
4.1 / 5 (7) |
0
It is widely hoped that neural stem cells will eventually be useful for replacing nerves damaged by degenerative diseases like Alzheimer disease and multiple sclerosis. But there may also be another use for such stem cells--delivering ...
Molecular 'on/off switch' controls immune defenses against viruses
Dec 26, 2006 |
3.5 / 5 (6) |
0
Much like flipping a light switch, the hepatitis C virus turns on human immune defenses upon entering the body but also turns off those defenses by manipulating interaction of key cellular proteins, UT Southwestern ...
Longevity gene also protects memory, cognitive function
Dec 26, 2006 |
4 / 5 (5) |
0
A gene variation that helps people live into their 90s and beyond also protects their memories and ability to think and learn new information, according to a study published in the December 26, 2006, issue of Neurology.
China Internet users fake identity numbers
Dec 26, 2006 |
4 / 5 (5) |
0
Chinese officials say Internet users in the country are using false identity card numbers to mask their identities while accessing Web sites and games.
Bald Eagles no longer endangered
Biology /
Dec 26, 2006 |
3.6 / 5 (5) |
0
The U.S. Fish and Wildlife Service in Washington announced the bald eagle will be officially taken off the endangered species list in February.
Genetic mechanism helps explain chronic pain disorders
Dec 26, 2006 |
4.5 / 5 (4) |
0
Researchers at the University of North Carolina at Chapel Hill have discovered that commonly occurring variations of a gene trigger a domino effect in chronic pain disorders. The finding might lead to more effective treatments ...
