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Search results for produces oxygen
Prussian blue linked to the origin of life
Dec 14, 2009 |
4.7 / 5 (6) |
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A team of researchers from the Astrobiology Centre (INTA-CSIC) has shown that hydrogen cyanide, urea and other substances considered essential to the formation of the most basic biological molecules can be ...
Gas improves blood flow and organ status during minimally invasive surgery
Dec 14, 2009 |
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As good as laparoscopy is in preventing some of the stresses of open surgery on the body, it does have drawbacks, including reduced blood flow and organ dysfunction. Laparoscopy is a type of surgery in the abdomen done through ...
Bacteria mix it up at the microscopic level
Nov 02, 2009 |
3.5 / 5 (4) |
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(PhysOrg.com) -- Many hands -- or many flagella -- make light work. In studies of the motion of tiny swimming bacteria, scientists at the U.S. Department of Energy's Argonne National Laboratory found that ...
Study finds lack of VEGF can cause defects similar to dry macular degeneration
Nov 02, 2009 |
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Scientists at Schepens Eye Research Institute have found that when the eye is missing a diffusible form of vascular endothelial growth factor (VEGF), i.e. one that when secreted can reach other cells at a distance, the retina ...
New rechargeable zinc-air batteries coming soon
Oct 29, 2009 |
4.4 / 5 (45) |
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(PhysOrg.com) -- A new breed of rechargeable zinc-air batteries is soon to be available, and may replace lithium-ion batteries in cell phones, laptops and other consumer items. Lithium-ion batteries store ...
NASA Researchers Explore Lightning's NOx-ious Impact on Pollution, Climate
Space & Earth / Earth Sciences
Oct 23, 2009 |
4.9 / 5 (10) |
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(PhysOrg.com) -- Every year, scientists learn something new about the inner workings of lightning. With satellites, they have discovered that more than 1.2 billion lightning flashes occur around the world ...
Model microbial community for studying expanding dead zones characterized
Space & Earth / Earth Sciences
Oct 22, 2009 |
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Among the many changes in the ocean is the expansion of oxygen-deficient or oxygen minimum zones (OMZs), also known as dead zones, which affect the processes by which carbon is captured and sequestered on ...
Toshiba launches portable fuel-cell for mobiles
Oct 22, 2009 |
4.4 / 5 (5) |
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(PhysOrg.com) -- For people fed up with their mobile telephone or iPod batteries running out, Japan's Toshiba Corp. announced Thursday the launch of a portable fuel-cell that can power up digital gadgets on ...
How the Moon produces its own water
Space & Earth / Space Exploration
Oct 15, 2009 |
4.7 / 5 (15) |
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(PhysOrg.com) -- The Moon is a big sponge that absorbs electrically charged particles given out by the Sun. These particles interact with the oxygen present in some dust grains on the lunar surface, producing ...
US army to be powered by waste
Oct 12, 2009 |
4.5 / 5 (11) |
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(PhysOrg.com) -- Defense company Qinetiq has been awarded a contract to supply the US army with a system that generates electricity from garbage.
And the beat goes on: Scientists jump-start the heart by gene transfer
Oct 05, 2009 |
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Scientists from the Universities of Michigan and Minnesota show in a research report published online in the FASEB Journal that gene therapy may be used to improve an ailing heart's ability to contract properly. In additi ...
Death by light: Nanoparticles as agents for the photodynamic killing of antibiotic-resistant bacteria
Nanotechnology / Bio & Medicine
Oct 05, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- The increasing antibiotic resistance of bacteria is a serious problem of our time. Hospital germs in particular have developed strains against which practically every current antibiotic is ineffective. In ...
Why leave it to nature? Chemistry professor wants to understand, simplify, photosynthesis
Sep 30, 2009 |
4.6 / 5 (12) |
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(PhysOrg.com) -- Amid calls for transformative change in the world’s energy supply, Harvard chemist Ted Betley is taking a back-to-basics approach and examining the mother of all energy supplies -- photosynthesis ...
Portable and precise gas sensor could monitor pollution and detect disease
Chemistry / Analytical Chemistry
Sep 25, 2009 |
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(PhysOrg.com) -- In the air, it is a serious pollutant. In the body, it plays a role in heart rate, blood flow, nerve signals and immune function.
Groundbreaking model of heart disease rewarded with NIH Pioneer Award
Sep 24, 2009 |
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A pioneering model that a University of Utah cardiologist proposes as a cause of heart disease is the kind of creative thinking the National Institutes of Health (NIH) likes to see—and reward with one of its most prestigious ...
