Researchers show link between vitamin D status, breast cancer
May 15, 2008 |
4.6 / 5 (12) |
0
Using newly available data on worldwide cancer incidence, researchers at the Moores Cancer Center at University of California, San Diego and the Department of Family and Preventive Medicine have shown a clear association ...
Having less power impairs the mind and ability to get ahead, study shows
Medicine & Health / Psychology & Psychiatry
May 15, 2008 |
4.6 / 5 (11) |
4
New research appearing in the May issue of Psychological Science, a journal of the Association for Psychological Science, suggests that being put in a low-power role may impair a person’s basic cognitive functioning and th ...
First evidence of native dendritic cells in brain
May 15, 2008 |
4.7 / 5 (10) |
0
In a finding that has the potential to change the way researchers think about the brain, scientists at Rockefeller University have found dendritic cells where they’ve never been seen before: among this organ’s ...
Sharp Achieves the World’s Highest Power Density for Direct Methanol Fuel Cells
May 15, 2008 |
4.8 / 5 (9) |
1
Sharp Corp. has achieved the world's highest power density, 0.3W/cc, for direct methanol fuel cells (DMFC) for mobile equipment. This new technology enables efficient power generation from a small cell volume. The use of ...
Does fishing on drifting fish aggregation devices endanger the survival of tropical tuna?
May 15, 2008 |
4.9 / 5 (8) |
0
Fishermen hold empirical knowledge that tuna aggregate under floating objects, such as lengths of old rope, pieces of wood, or even large marine mammals. There is still no full explanation for this aggregation behaviour, ...
Nanotechnology in reverse uses cell to calibrate tools
Nanotechnology / Bio & Medicine
May 15, 2008 |
4.1 / 5 (9) |
0
Nanotechnology researchers at UC Davis have shown that they can use a red blood cell to calibrate a sensitive instrument, an atomic force microscope.
Researchers document rapid, dramatic 'reverse evolution' in the threespine stickleback fish
Biology /
May 15, 2008 |
4 / 5 (9) |
0
Evolution is supposed to inch forward over eons, but sometimes, at least in the case of a little fish called the threespine stickleback, the process can go in relative warp-speed reverse, according to a study led by researchers ...
Jaguar upgrade brings ORNL closer to petascale computing
May 15, 2008 |
4.7 / 5 (7) |
0
Upgrades to Oak Ridge National Laboratory’s Jaguar supercomputer have more than doubled its performance, increasing the system’s ability to deliver far-reaching advances in climate studies, energy research, and a wide range ...
Researcher finds El Nino may have been factor in Magellan's Pacific voyage
Other Sciences / Archaeology & Fossils
May 15, 2008 |
4.4 / 5 (7) |
0
A new paper by North Carolina State University archaeologist Dr. Scott Fitzpatrick shows that Ferdinand Magellan’s historic circumnavigation of the globe was likely influenced in large part by unusual weather conditions – ...
Research puts new wrinkle in study of materials folding under pressure
May 15, 2008 |
4.1 / 5 (7) |
0
Scientists at the University of Chicago and the University of Santiago in Chile have explained, for the first time, the physics that governs how thin materials at scales millions of times different in thickness ...
Small primate ancestors had a leg up
Biology /
May 15, 2008 |
4.2 / 5 (6) |
1
Smaller primates expend no more energy climbing than they do walking, Duke University researchers have found. This surprising discovery may explain the evolutionary edge that encouraged the tiny ancestors of modern humans, ...
Pre-K students benefit when teachers are supportive
Medicine & Health / Psychology & Psychiatry
May 15, 2008 |
4 / 5 (6) |
2
States are investing considerable amounts of money in pre-kindergarten programs for 4-year-olds. A new study finds that the quality of interactions between teachers and children plays a key role in accounting for gains in ...
An ancient protein balances gene activity and silences foreign DNA in bacteria
Biology /
May 15, 2008 |
4.8 / 5 (5) |
0
Compared to humans, bacteria have a much tidier genome. The tiny microorganisms pack their genes closely together, and don’t carry around a lot of extraneous DNA, so-called junk DNA that fills in the gaps between genes. Some ...
Simple Model Cell is Key to Understanding Cell Complexity
May 15, 2008 |
4.8 / 5 (5) |
1
A team of Penn State researchers has developed a simple artificial cell with which to investigate the organization and function of two of the most basic cell components: the cell membrane and the cytoplasm--the ...
Mixed results for late-talking toddlers
May 15, 2008 |
4.4 / 5 (5) |
0
New research findings from the world’s largest study on language emergence have revealed that one in four late talking toddlers continue to have language problems by age 7.
