Quantum Dots May Lead to Rainbow Solar Cell
Nanotechnology / Nanomaterials
Mar 07, 2008 |
4.6 / 5 (118) |
3
For the first time, researchers have created solar cells made of different-sized quantum dots, each tuned to a specific wavelength of light. By arranging these quantum dots in an ordered pattern, the scientists ...
IBM researchers quell nanoscale interference
Nanotechnology / Nanomaterials
Mar 07, 2008 |
4.7 / 5 (40) |
1
IBM researchers have discovered a way to use graphite effectively in building nanoelectonic circuits vastly smaller than those in silicon-based computer chips.
Nearby star should harbor detectable, Earth-like planets
Mar 07, 2008 |
4.5 / 5 (41) |
8
A rocky planet similar to Earth may be orbiting one of our nearest stellar neighbors and could be detected using existing techniques, according to a new study led by astronomers at the University of California, ...
Researchers see history of life in the structure of transfer RNA
Biology /
Mar 07, 2008 |
4.8 / 5 (29) |
0
Transfer RNA is an ancient molecule, central to every task a cell performs and thus essential to all life. A new study from the University of Illinois indicates that it is also a great historian, preserving ...
Low-cost reusable material could facilitate capture of carbon dioxide from power plants
Mar 07, 2008 |
4.5 / 5 (28) |
0
Researchers have developed a new, low-cost material for capturing carbon dioxide (CO2) from the smokestacks of coal-fired power plants and other generators of the greenhouse gas. Produced with a simple o ...
New study reveals profound impact of our unconscious on reaching goals
Medicine & Health / Psychology & Psychiatry
Mar 07, 2008 |
4.1 / 5 (30) |
2
Whether you are a habitual list maker, or you prefer to keep your tasks in your head, everyone pursues their goals in this ever changing, chaotic environment. We are often aware of our conscious decisions that bring us closer ...
Theory explains why 25 percent of cultures cut male genitals
Mar 07, 2008 |
3.4 / 5 (34) |
4
Almost 25 percent of indigenous societies practice some form of male genital cutting, ranging from circumcision to the ritual removal of a testicle. The reason, reports a Cornell scientist, may be to reduce ...
Canadian astronomers on hunt for meteor
Space & Earth / Space Exploration
Mar 07, 2008 |
4.4 / 5 (19) |
1
Astronomers from The University of Western Ontario in London, Ontario, have captured rare video of a meteor falling to Earth.
Seeing through the dark
Mar 07, 2008 |
4.4 / 5 (18) |
0
Astronomers have measured the distribution of mass inside a dark filament in a molecular cloud with an amazing level of detail and to great depth. The measurement is based on a new method that looks at the ...
Brain network linked to contemplation in adults is less complex in children
Mar 07, 2008 |
4.5 / 5 (11) |
0
A brain network linked to introspective tasks -- such as forming the self-image or understanding the motivations of others -- is less intricate and well-connected in children, scientists at Washington University School of ...
On a 'roll': Researchers devise new cell-sorting system
Nanotechnology / Bio & Medicine
Mar 07, 2008 |
4.8 / 5 (9) |
0
Capitalizing on a cell’s ability to roll along a surface, MIT researchers have developed a simple, inexpensive system to sort different kinds of cells — a process that could result in low-cost tools to test for diseases such ...
Behaviorists discover a code within male loons' yodel
Biology /
Mar 07, 2008 |
4.6 / 5 (9) |
0
Imagine if an intruder entered your home, took the place of your spouse and you carried on with life as if nothing had changed. Such is the habit of loons that live on small lakes.
Wireless networks that build themselves
Mar 07, 2008 |
4.3 / 5 (9) |
1
From traffic lights to mobile phones, small computers are all around us. Enabling these ‘embedded systems’ to create wireless communications networks automatically will have profound effects in areas from emergency management ...
Researchers unlock snake and spider mystery
Medicine & Health / Psychology & Psychiatry
Mar 07, 2008 |
4.4 / 5 (8) |
0
University of Queensland researchers have unlocked new evidence that could help them get to the bottom of our most common phobias and their causes.
Moderate alcohol consumption in middle age can lower cardiac risk
Mar 07, 2008 |
4.9 / 5 (7) |
0
Previous studies have pointed out the benefits of moderate alcohol consumption as a factor in lowering cardiovascular risk. In a study conducted by the Department of Family Medicine at the Medical University of South Carolina ...
