New lens device will shrink huge light waves to pinpoints
Jul 12, 2007 |
4.5 / 5 (92) |
0
Manipulating light waves, or electromagnetic radiation, has led to many technologies, from cameras to lasers to medical imaging machines that can see inside the human body.
Higher efficiency organic solar cell created
Jul 12, 2007 |
4.2 / 5 (84) |
0
Using plastics to harvest the energy of the sun just got a significant boost in efficiency thanks to a discovery made at the Center for Polymers and Organic Solids at the University of California, Santa Barbara.
One man's junk may be a genomic treasure
Jul 12, 2007 |
4.6 / 5 (32) |
0
Scientists have only recently begun to speculate that what’s referred to as “junk” DNA – the 96 percent of the human genome that doesn’t encode for proteins and previously seemed to have no useful purpose – is present in ...
Researchers witness natural selection at work in dramatic comeback of male butterflies
Biology /
Jul 12, 2007 |
4.6 / 5 (18) |
0
An international team of researchers has documented a remarkable example of natural selection in a tropical butterfly species that fought back - genetically speaking - against a highly invasive, male-killing ...
Speed Bumps Less Important Than Potholes for Graphene
Jul 12, 2007 |
4.5 / 5 (17) |
0
For electrical charges racing through an atom-thick sheet of graphene, occasional hills and valleys are no big deal, but the potholes—single-atom defects in the crystal—they’re killers.
Fossilised midges provide clues to future climate change
Space & Earth / Earth Sciences
Jul 12, 2007 |
4.6 / 5 (15) |
0
Fossilised midges have helped scientists at the University of Liverpool identify two episodes of abrupt climate change that suggest the UK climate is not as stable as previously thought.
Semiconductor membrane mimics biological behavior of ion channels
Nanotechnology / Bio & Medicine
Jul 12, 2007 |
4.3 / 5 (15) |
0
A semiconductor membrane designed by researchers at the University of Illinois could offer more flexibility and better electrical performance than biological membranes. Built from thin silicon layers doped with different ...
Short-term memory ability may predict IQ
Medicine & Health / Psychology & Psychiatry
Jul 12, 2007 |
3.6 / 5 (16) |
1
U.S. psychologists have found people with high IQs might be able to remember more than the four objects an average person can store in short-term memory.
Fragmented Structure of Seafloor Faults May Dampen Effects of Earthquakes
Space & Earth / Earth Sciences
Jul 12, 2007 |
4.2 / 5 (10) |
0
Many earthquakes in the deep ocean are much smaller in magnitude than expected. Geophysicists from the Woods Hole Oceanographic Institution (WHOI) have found new evidence that the fragmented structure of seafloor ...
'Fat' tax on food could prevent 3,000 heart attack and stroke deaths every year
Jul 12, 2007 |
3.5 / 5 (10) |
0
Taxing certain foodstuffs in the UK could prevent up to 3200 deaths from heart attacks and stroke every year, suggests a study in the Journal of Epidemiology and Community Health.
Eye lens and nose cells for smelling have same origin
Biology /
Jul 12, 2007 |
4.4 / 5 (7) |
0
A team of researchers at Umeå University in Sweden have discovered a unique mechanism by which the same signal molecule determines the formation of the both the lens of the eye and the olfactory cells of the nose.
Automated tailgating cuts pollution
Jul 12, 2007 |
4.3 / 5 (7) |
1
An automated way of allowing cars to drive much closer to each other in heavy moving traffic, so-called platooning, could cut congestion, save fuel and cut greenhouse gas emissions, according to research published today in ...
FDA approves new LASIK device
Jul 12, 2007 |
4.1 / 5 (7) |
0
The U.S. Food and Drug Administration has approved the first LASIK device designed to treat one eye for distance vision and the other eye for close vision.
Unraveling the physics of DNA's double helix
Jul 12, 2007 |
3.6 / 5 (7) |
0
Researchers at Duke University's Pratt School of Engineering have uncovered a missing link in scientists' understanding of the physical forces that give DNA its famous double helix shape.
How plants learned to respond to changing environments
Biology /
Jul 12, 2007 |
4.2 / 5 (6) |
0
A team of John Innes centre scientists lead by Professor Nick Harberd have discovered how plants evolved the ability to adapt to changes in climate and environment. Plants adapt their growth, including key steps in their ...
