Plants are an engineering marvel of nature. Fueled by sunlight, they recycle our carbon dioxide waste into fresh oxygen for us to breathe. Plus, they make the world prettier. But, with a little help from us humans, can they ...
Bio & Medicine
Apr 2, 2014
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An active region of the sun just rotating into the view of NASA's Solar Dynamics Observatory gives a profile view of coronal loops over about a two-day period, from Feb. 8-10, 2014.
Space Exploration
Feb 19, 2014
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(Phys.org) —Hydrogen is a "green" fuel that burns cleanly and can generate electricity via fuel cells. One way to sustainably produce hydrogen is by splitting water molecules using the renewable power of sunlight, but scientists ...
Nanophysics
Dec 4, 2013
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(Phys.org) —Rensselaer Polytechnic Institute researchers have identified the mechanism behind a plague of LED light bulbs: a flaw called "efficiency droop" that causes LEDs to lose up to 20 percent of their efficiency as ...
General Physics
Jul 30, 2013
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In 2009 and 2010, the underwater neutrino telescope ANTARES detected an unusual phenomenon: the bioluminescence of deep-sea organisms suddenly increased, revealing an unexpected connection between biological activity-bioluminescence-and ...
Earth Sciences
Jul 11, 2013
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Light is crucial for photosynthetic organisms, but one can have too much of a good thing. Excess light can harm organisms when the amount of energy absorbed exceeds the rate of carbon fixation.
Cell & Microbiology
Jun 7, 2013
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(Phys.org) —Blazars are the brightest of active galactic nuclei, and many emit very high-energy gamma rays. New observations of the blazar known as PKS 1424+240 show that it is the most distant known source of very high-energy ...
Astronomy
Apr 18, 2013
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Researchers from the University of Twente's MESA+ and MIRA research institutes have succeeded in visualizing THC, the active ingredient of cannabis, in intact plant structures. The substance is mainly found in trichomes (fine ...
Biochemistry
Apr 17, 2013
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(Phys.org) —Catalysis may initiate almost all modern industrial manufacturing processes, but catalytic activity on solid surfaces is poorly understood. This is especially true for the cellulase enzymes used to release fermentable ...
Biochemistry
Apr 7, 2013
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(Phys.org) —A team of researchers in Italy has successfully demonstrated a means for restoring light sensitivity to a damaged rat retina by incorporating an inorganic polymer with nerve cells. In their paper published in ...
