News tagged with light exposure
First-of-its-kind head patch monitors brain blood flow and oxygen
A research team led by investigators at Mayo Clinic in Florida has found that a small device worn on a patient's brow can be useful in monitoring stroke patients in the hospital. The device measures blood oxygen, similar ...
Medicine & Health / Cardiology
Feb 01, 2012 |
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Research confirms latitude variation in incidence of chronic digestive diseases
New research points to a potential role for UV light exposure and vitamin D levels in chronic digestive conditions; Crohn's disease, a serious inflammatory condition in the small intestine; and ulcerative colitis (UC), which ...
Oct 31, 2011 |
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Circadian clocks in a blind fish
Do animals that have evolved for millions of years underground, completely isolated from the day-night cycle, still "know" what time it is? Does a normal circadian clock persist during evolution under constant darkness? A ...
Sep 06, 2011 |
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Studies show importance of visual stimulation in wiring up species' brains to see
Any parent knows that newborns still have a lot of neurological work to do to attain fully acute vision. In a wide variety of nascent animals, genes provide them with only a rough wiring plan and then leave it to the developing ...
Medicine & Health / Neuroscience
Jun 05, 2011 |
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Light touch brightens nanotubes (w/ Video)
(PhysOrg.com) -- Rice University researchers have discovered a simple way to make carbon nanotubes shine brighter.
Nanotechnology / Nanomaterials
Dec 02, 2010 |
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How do DNA components resist to damaging UV exposure?
The genetic material of DNA contains shielding mechanisms to protect itself from the exposure to the UV light emitted by the sun. This is of crucial importance, since without photostability – i.e. without ...
Nov 30, 2010 |
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Light, circadian rhythms affect vast range of physiological, behavioral functions
A new study of the genetic basis of circadian rhythms - the biological responses related to daily light exposure - has found that a few minutes of light exposure in a fungus directly affects a huge range of its biological ...
Aug 26, 2010 |
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15,000 beams of light: Pens that write with light offer low-cost, rapid nanofabrication capabilities
(PhysOrg.com) -- One Chicago skyline is dazzling enough. Now imagine 15,000 of them.
Aug 01, 2010 |
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Nocturnal alertness improves after exposure to milliseconds of bright light flashes
Exposure to extraordinarily brief, millisecond flashes of bright light improves alertness at night, according to a research abstract that will be presented Monday, June 7, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th ...
Jun 07, 2010 |
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Researchers find melanoma not caused by early UVA light exposure
Early life exposure to ultraviolet A light does not cause melanoma in a fish model that previously made that connection, scientists from The University of Texas MD Anderson Cancer Center reported today in the online Early ...
May 04, 2010 |
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Molecules could create tiny circuits on computer chips
(PhysOrg.com) -- As the features on computer chips become increasingly smaller, finding ways to fabricate the chips has become a big challenge. In a new study, researchers from MIT have demonstrated that certain ...
Mar 16, 2010 |
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Supermarket lighting enhances nutrient level of fresh spinach
Far from being a food spoiler, the fluorescent lighting in supermarkets actually can boost the nutritional value of fresh spinach, scientists are reporting. The finding could lead to improved ways of preserving ...
Mar 03, 2010 |
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Lack of morning light keeping teenagers up at night
The first field study on the impact of light on teenagers' sleeping habits finds that insufficient daily morning light exposure contributes to teenagers not getting enough sleep.
Feb 16, 2010 |
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Artificial Light at Night: Higher Risk of Prostate Cancer
A new study at the University of Haifa discovered: Worldwide, countries with the highest levels of artificial light at night also have the highest rates of prostate cancer.
Feb 03, 2009 |
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