Undoubtedly, you've been seeing the recent images of Comet ISON now that it is approaching its close encounter with the Sun on November 28. ISON is currently visible to space telescopes like the Hubble and amateur astronomers ...
Space Exploration
Oct 25, 2013
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Antibiotics, urban pesticides, and other contaminants accumulate where wastewater is released into Lake Geneva. Using computer simulations, EPFL researchers have shown that the risk they pose is highest during summer and ...
Environment
Oct 25, 2013
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(Phys.org) —The naked eye might not be able to discern the difference between red and far-red wavelengths of sunlight, but plants can, and they use the light to alter their overall architecture, according to Texas A&M AgriLife ...
Biotechnology
Sep 18, 2013
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In the northern hemisphere, ice sheets ebb and flow in 100,000-year cycles, driven by varying amounts of sunlight falling on Earth's surface as its orbit and orientation toward the sun changes. But astronomical variations ...
Earth Sciences
Sep 5, 2013
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Permanently shadowed craters on the moon or Mercury are one of the most exciting locations to search for water. Because the walls of these craters protect certain spots inside from the rays of the sun, it's quite possible ...
Space Exploration
Aug 27, 2013
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Black carbon, also known as soot, emitted from combustion of fuels and biomass burning, absorbs solar radiation in the atmosphere and is one of the major causes of global warming, after carbon dioxide emissions. When black ...
Earth Sciences
Aug 14, 2013
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In 1924, Science magazine reported on a fatal case of potato poisoning: James B. Matheney of Vandalia, Illinois, had gathered about one and a half bushels of tubers, which had turned green due to sunlight exposure. Two days ...
Biotechnology
Jul 31, 2013
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(Phys.org) —Natural dyes have been used as the colouring of natural fibres, in cosmetic products, to produce ink, watercolour and artist's paints. Natural dyes produce an extraordinary diversity of rich and complex colour. ...
Materials Science
Jun 28, 2013
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(Phys.org) —Tomatoes can contain more vitamin C if they are exposed to extra light from LED lamps while growing on the plant. This has been proven by research by Wageningen UR Greenhouse Horticulture in collaboration with ...
Biotechnology
May 9, 2013
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Researchers from Ulsan National Institute of Science and Technology (UNIST) have demonstrated high-performance polymer solar cells (PSCs) with power conversion efficiency (PCE) of 8.92% which is the highest values reported ...
Nanomaterials
May 7, 2013
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