Evolution's new wrinkle: Proteins with cruise control provide new perspective
Biology /
Nov 10, 2008 |
4 / 5 (7) |
0
(PhysOrg.com) -- A team of Princeton University scientists has discovered that chains of proteins found in most living organisms act like adaptive machines, possessing the ability to control their own evolution.
Study Suggests Cost-Effective Way to Capture Storm Runoff
Nov 10, 2008 |
4.5 / 5 (6) |
0
Researchers at UC Riverside have proposed a cost-effective alternative to capture stormwater runoff that could help communities suffering water shortages and reduce the amount of pollution flowing into ecologically sensitive ...
Liquid or solid? Charged nanoparticles in lipid membrane decide
Nanotechnology / Nanomaterials
Nov 10, 2008 |
4.2 / 5 (6) |
0
Like water and ice cubes mixed in a glass, a group of organic compounds called lipids can coexist as liquid and solid in membranes. This patchiness in phospholipid membranes is fundamental to their use as biomolecules and ...
Annuals converted into perennials
Biology /
Nov 10, 2008 |
4.8 / 5 (5) |
0
Scientists from VIB at Ghent University, Belgium, have succeeded in converting annual plants into perennials. They discovered that the deactivation of two genes in annuals led to the formation of structures that converted ...
Getting little sleep may be associated with risk of heart disease
Nov 10, 2008 |
3.8 / 5 (6) |
0
Sleeping less than seven and a half hours per day may be associated with future risk of heart disease, according to a report in the November 10 issue of Archives of Internal Medicine. In addition, a combination of little ...
Tillage, rotation impacts peanut crops
Biology /
Nov 10, 2008 |
4.4 / 5 (5) |
0
The increasing popularity of reduced tillage on crops has not only been an important development in combating soil erosion, but it has also been associated with increasing organic material and producing high crop yields.
New findings on the role of inflammation in prevention of coronary heart disease
Nov 10, 2008 |
3.7 / 5 (6) |
0
This year, about 450,000 Americans will die of coronary heart disease – the leading cause of death for both men and women. Although we have made great strides in preventing and treating heart disease, we continue to explore ...
Study doubles species diversity of enigmatic 'flying lemurs'
Biology /
Nov 10, 2008 |
4.4 / 5 (5) |
0
Colugos (aka flying lemurs) -- the closest living relatives of primates most notable for their ability to glide from tree to tree over considerable distances—are more diverse than had previously been believed, according to ...
Eye conditions linked with obstructive sleep apnea
Nov 10, 2008 |
4.2 / 5 (5) |
0
If a good night's sleep helps the brain and body perform better, it's a good guess that sleep problems can cause more than just fatigue. Numerous studies have shown a connection between sleep disorders and medical conditions ...
Game lets geeks compete to build virtual supercomputer
Nov 10, 2008 |
4.2 / 5 (5) |
0
(PhysOrg.com) -- For those ready to get their geek on, Purdue Unviersity has created the computer game for you. Rack-A-Node is an online video game that lets those über-geeks who love both science and technology ...
Researchers use chemical from medicinal plants to fight HIV
Nov 10, 2008 |
4.8 / 5 (4) |
0
Like other kinds of cells, immune cells lose the ability to divide as they age because a part of their chromosomes known as a telomere becomes progressively shorter with cell division. As a result, the cell changes in many ...
New hope for HIV treatment: Cells exhausted from fighting HIV infection can be revitalized
Medicine & Health / HIV & AIDS
Nov 10, 2008 |
4.8 / 5 (4) |
0
Researchers at the University of Toronto and the University of California, San Francisco, have revealed new hope for HIV treatment with the discovery of a way to 'rescue' immune cells that are exhausted from fighting off ...
Sleep apnea may be risk factor for sudden cardiac death
Nov 10, 2008 |
4.3 / 5 (4) |
0
After studying the sleep characteristics of nearly 11,000 adults in an overnight sleep laboratory, Mayo Clinic researchers suggest that obstructive sleep apnea (OSA) - and, in particular, the low nighttime oxygen saturation ...
Ethanol will curb farm income until economy rebounds, economist says
Nov 10, 2008 |
3.8 / 5 (4) |
3
Ethanol helped drive two years of record profits for grain farmers, but also will hold income down during a looming recession that has already sliced crop prices in half, a University of Illinois economist says.
Sedimentary records link Himalayan erosion rates and monsoon intensity through time
Space & Earth / Earth Sciences
Nov 10, 2008 |
3 / 5 (5) |
0
Throughout history, the changing fortunes of human societies in Asia have been linked to variations in the precipitation resulting from seasonal monsoons.
