News tagged with time cycle
Lighting up the lives of the elderly -- adaptively (Video)
Feb 20, 2009 |
4 / 5 (1) |
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(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 ...
Search results for time cycle
Solar Mystery Solved
Aug 26, 2009 |
4.3 / 5 (19) |
8
(PhysOrg.com) -- Solar flares are amongst the most dangerous cosmic phenomena man has ever known. Though they pose no harm to humans, their effect on technology is vast. When they occur, they possess the capability ...
Chemotherapy for breast cancer is associated with disruption of sleep-wake rhythm in women
Sep 01, 2009 |
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1
A study in the Sept.1 issue of the journal Sleep shows that the sleep-wake activity rhythms of breast cancer patients are impaired during the administration of chemotherapy. Results indicate that the first cycle of chemot ...
Lake Research That Isn't All Wet
Oct 02, 2009 |
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(PhysOrg.com) -- The federal government may not have been able to save California from massive budget cuts, but at least a stimulus research grant will help scientists understand the biology of western lakes.
New Solar Cycle Prediction
Space & Earth / Space Exploration
Jun 01, 2009 |
3.9 / 5 (19) |
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(PhysOrg.com) -- An international panel of experts led by NOAA and sponsored by NASA has released a new prediction for the next solar cycle. Solar Cycle 24 will peak, they say, in May 2013 with a below-average ...
Promising novel treatment for human cancer -- Chrysanthemum indicum extract
Oct 16, 2009 |
4.9 / 5 (9) |
2
A series of studies have demonstrated that Chrysanthemum indicum possesses antimicrobial, antiinflammatory, immunomodulatory, and neuroprotective effects. Recently, much attention has been devoted to the anticancer activi ...
Does Facebook usage contribute to jealousy in relationships?
Medicine & Health / Psychology & Psychiatry
Aug 06, 2009 |
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1
The more time college students spend on Facebook, the more likely they are to feel jealous toward their romantic partners, leading to more time on Facebook searching for additional information that will further fuel their ...
Young Australians not as 'sex savvy' as they think
Jun 03, 2009 |
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(PhysOrg.com) -- Young Australians need to be better informed about the use of emergency contraception to reduce terminations and unwanted pregnancies.
Earth's biogeochemical cycles, once in concert, falling out of sync
Aug 04, 2009 |
4 / 5 (7) |
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(PhysOrg.com) -- What do the Gulf of Mexico's "dead zone," global climate change, and acid rain have in common? They're all a result of human impacts to Earth's biology, chemistry and geology, and the natural ...
Scientists find clue to mystery of biological clock
Medicine & Health / Neuroscience
Nov 30, 2009 |
3.5 / 5 (2) |
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How does our biological system know that it is supposed to operate on a 24-hour cycle? Scientists at the Hebrew University of Jerusalem have discovered that a tiny molecule holds the clue to the mystery.
Pitt researchers identify key molecular pathway to replicate insulin-producing beta cells
Jun 09, 2009 |
5 / 5 (1) |
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Researchers at the University of Pittsburgh School of Medicine are trailblazing the molecular pathway that regulates replication of pancreatic beta cells, the insulin-producing cells that are lacking in people who have type ...
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