News tagged with light cigarettes
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Search results for light cigarettes
'Safety valve' protects photosynthesis from too much light
Nov 25, 2009 |
4.7 / 5 (3) |
0
Photosynthetic organisms need to cope with a wide range of light intensities, which can change over timescales of seconds to minutes. Too much light can damage the photosynthetic machinery and cause cell death. Scientists ...
Golden Oldie: Key Role for Ancient Protein in Algae Photosynthesis
Nov 27, 2009 |
3 / 5 (2) |
2
The discovery that an ancient light harvesting protein plays a pivotal role in the photosynthesis of green algae should help the effort to develop algae as a biofuels feedstock. Researchers with the Lawrence ...
Moderate-to-heavy exercise may reduce risk of stroke for men
Medicine & Health / Neuroscience
Nov 23, 2009 |
5 / 5 (1) |
0
Men who regularly take part in moderate-to-heavy intensity exercise such as jogging, tennis or swimming may be less likely to have a stroke than people who get no exercise or only light exercise, such as walking, golfing, ...
Selling chip makers on optical computing
Nov 24, 2009 |
4.6 / 5 (11) |
1
(PhysOrg.com) -- Computer chips that transmit data with light instead of electricity consume much less power than conventional chips, but so far, they've remained laboratory curiosities. Professors Vladimir ...
Fermi Telescope Peers Deep into Microquasar (w/ Video)
Nov 27, 2009 |
4.8 / 5 (16) |
0
(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...
Political views may skew perception of skin tone, new study finds
Other Sciences / Social Sciences
Nov 24, 2009 |
3.3 / 5 (7) |
7
(PhysOrg.com) -- Political affinity could influence how some people view the skin tone of biracial political candidates, according to a new study from the University of Chicago Booth School of Business, New York University ...
Eye floaters and flashes of light linked to retinal tear, detachment
Nov 24, 2009 |
5 / 5 (1) |
0
Suddenly seeing floaters or flashes of light may indicate a serious eye problem that - if untreated - could lead to blindness, a new study shows.
Fast, easy, and highly sensitive arsenic detection with gold nanoparticles
Nanotechnology / Nanomaterials
Nov 25, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- Mention of arsenic poisoning usually brings to mind underhanded murder. However, the danger of arsenic poisoning from contaminated drinking water is far greater. Low concentrations of arsenic are found in ...
Houses of the rising sun: Research sheds new light on Ancient Greeks
Other Sciences / Archaeology & Fossils
Nov 25, 2009 |
4.3 / 5 (3) |
3
New research at the University of Leicester has identified scores of Sicilian temples built to face the rising Sun, shedding light on the practices of the Ancient Greeks.
Cassini Captures Ghostly Dance of Saturn's Northern Lights (w/ Video)
Space & Earth / Space Exploration
Nov 24, 2009 |
4.9 / 5 (10) |
1
(PhysOrg.com) -- In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness ...
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