Gasoline-diesel 'cocktail': A potent recipe for cleaner, more efficient engines
Aug 03, 2009 |
4.3 / 5 (27) |
6
(PhysOrg.com) -- Diesel and gasoline fuel sources both bring unique assets and liabilities to powering internal combustion engines. But what if an engine could be programmed to harvest the best properties ...
Computers unlock more secrets of the mysterious Indus Valley script
Technology / Computer Sciences
Aug 03, 2009 |
4.5 / 5 (24) |
5
Four-thousand years ago, an urban civilization lived and traded on what is now the border between Pakistan and India. During the past century, thousands of artifacts bearing hieroglyphics left by this prehistoric ...
Cyborg-walkers stride toward Japan's robotics future
Aug 03, 2009 |
5 / 5 (21) |
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Three Japanese cyborg look-alikes turned heads on busy Tokyo streets and subway trains Monday as they made their way to a robotics conference on a hot summer's day -- without breaking a sweat.
Artificial Leaves Generate Power by Pumping Water
Aug 03, 2009 |
4.3 / 5 (20) |
5
(PhysOrg.com) -- Natural leaves constantly lose water through evaporation, as the water in their veins is pumped up to the top of the tree. This process, called transpiration, could also create a mechanical ...
What Hit Jupiter?
Space & Earth / Space Exploration
Aug 03, 2009 |
4.7 / 5 (15) |
3
(PhysOrg.com) -- It began with a furrowed brow, a moment of puzzlement, quickly dismissed.
DNA computation gets logical
Nanotechnology / Bio & Medicine
Aug 03, 2009 |
5 / 5 (12) |
5
Biomolecular computers, made of DNA and other biological molecules, only exist today in a few specialized labs, remote from the regular computer user. Nonetheless, Tom Ran and Shai Kaplan, research students in the lab of ...
New microchip technology performs 1,000 chemical reactions at once
Chemistry / Analytical Chemistry
Aug 03, 2009 |
5 / 5 (11) |
3
(PhysOrg.com) -- Flasks, beakers and hot plates may soon be a thing of the past in chemistry labs. Instead of handling a few experiments on a bench top, scientists may simply pop a microchip into a computer ...
Researchers effectively treat tumors with use of nanotubes
Nanotechnology / Bio & Medicine
Aug 03, 2009 |
5 / 5 (9) |
0
By injecting man-made, microscopic tubes into tumors and heating them with a quick, 30-second zap of a laser, scientists have discovered a way to effectively kill kidney tumors in nearly 80 percent of mice. Researchers say ...
Nanoparticles cross blood-brain barrier to enable 'brain tumor painting'
Nanotechnology / Bio & Medicine
Aug 03, 2009 |
4.8 / 5 (9) |
0
Brain cancer is among the deadliest of cancers. It's also one of the hardest to treat. Imaging results are often imprecise because brain cancers are extremely invasive. Surgeons must saw through the skull ...
Giant marine worms lived 475 million years ago: scientists
Other Sciences / Archaeology & Fossils
Aug 03, 2009 |
4.3 / 5 (8) |
1
Spanish researchers said Monday they have discovered evidence of a type of giant worm that lived 475 million years ago and was up to one metre (three feet) in length.
Magnetic Measurements Question Assumptions About High-Tc Superconductors
Aug 03, 2009 |
4.7 / 5 (7) |
1
(PhysOrg.com) -- Conquering one of the biggest challenges in the study of high-temperature (high-Tc) superconductors, scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have grown ...
On the path to metallic hydrogen
Aug 03, 2009 |
4 / 5 (8) |
6
Hydrogen, the most common element in the universe, is normally an insulating gas, but at high pressures it may turn into a superconductor. Now, scientists at the Carnegie Institution in Washington D.C., US, ...
Higher gas prices help reduce emissions
Aug 03, 2009 |
4.4 / 5 (7) |
0
(PhysOrg.com) -- Less driving and greater vehicle fuel economy aren't the only byproducts of higher gas prices—lower carbon dioxide emissions is another benefit, say University of Michigan researchers.
Scientists report original source of malaria
Aug 03, 2009 |
4.4 / 5 (7) |
0
Researchers have identified what they believe is the original source of malignant malaria: a parasite found in chimpanzees in equatorial Africa.
Heavy drinkers face significantly increased cancer risk
Aug 03, 2009 |
5 / 5 (6) |
7
(PhysOrg.com) -- Heavy drinkers of beer and spirits face a much higher risk of developing cancer than the population at large, says a group of Montreal epidemiologists and cancer researchers. Their findings ...
