News tagged with light cycles
Plants use circadian rhythms to prepare for battle with insects
In a study of the molecular underpinnings of plants' pest resistance, Rice University biologists have shown that plants both anticipate daytime raids by hungry insects and make sophisticated preparations to ...
Feb 13, 2012 |
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Living in the galactic danger zone
We know for certain that life exists in the Milky Way galaxy: that life is us. Scientists are continually looking to understand more about how life on our planet came to be and the conditions that must be ...
Sep 23, 2011 |
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Getting ready for the next big solar storm
(PhysOrg.com) -- In Sept. 1859, on the eve of a below-average1 solar cycle, the sun unleashed one of the most powerful storms in centuries. The underlying flare was so unusual, researchers still aren't sure ...
Space & Earth / Space Exploration
Jun 22, 2011 |
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Babies' biological clocks dramatically affected by birth light cycle
The season in which babies are born can have a dramatic and persistent effect on how their biological clocks function.
Medicine & Health / Neuroscience
Dec 05, 2010 |
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Northern Lights hit 100-year low point: Finnish researchers
The Northern Lights have petered out during the second half of this decade, becoming rarer than at any other time in more than a century, the Finnish Meteorological Institute said Tuesday.
Space & Earth / Earth Sciences
Sep 28, 2010 |
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Light at night linked to symptoms of depression in mice
Too much light at night can lead to symptoms of depression, according to a new study in mice. Researchers found that mice housed in a lighted room 24 hours a day exhibited more depressive symptoms than did similar mice that ...
Medicine & Health / Neuroscience
Oct 21, 2009 |
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Researchers develop light-treatment device to improve sleep quality in the elderly
Sleep disturbances increase as we age. Some studies report more than half of seniors 65 years of age or older suffer from chronic sleep disturbances. Researchers have long believed that the sleep disturbances ...
Medicine & Health / Medical research
May 29, 2009 |
4.8 / 5 (4) |
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Lighting up the lives of the elderly -- adaptively (Video)
(PhysOrg.com) -- Artificial light affects us in subtle ways. At its best, ambient lighting can relax, soothe or excite, but used poorly it can drain us of energy and disrupt sleep. What if lighting could adapt ...
Feb 20, 2009 |
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