News tagged with light
Related topics: wavelength , solar cells , laser , physical review letters , photons
Conical fiber tips best for cutting efficacy in oral surgery
(HealthDay)—For oral surgery, conical shaped fiber tips improve the quality and efficacy of diode laser cutting, according to a study published online Nov. 5 in Lasers in Surgery and Medicine.
Surgery
Nov 09, 2012 |
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Understanding preterm infant development helps ease their entrance into the world
Every week, 150 bobwhite quail eggs arrive in the mail for Robert Lickliter, professor and director of graduate studies in the Psychology Department at FIU.
Health
Nov 02, 2012 |
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Genes involved in vitamin D generation and destruction may influence colorectal cancer risk in African-Americans
African-Americans are more likely than non-Hispanic whites to have and die from colorectal cancer. Changes in the DNA sequence of genes that affect how the body makes and destroys vitamin D modify the risk for colorectal ...
Cancer
Oct 29, 2012 |
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Stimulating brain cells with light
For the time being, this is basic research but the long term objective is to find new ways of treating Parkinson's disease. This increasingly common disease is caused by degeneration of the brain cells producing signal substance ...
Medical research
Oct 26, 2012 |
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Short-wavelength light increases beneficial stress hormone response in sleep-restricted adolescents
Adolescents can be chronically sleep deprived because of their inability to fall asleep early in combination with fixed wakeup times on school days. According to the Centers for Disease Control (CDC), almost ...
Health
Oct 25, 2012 |
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Even scientists look for purpose in nature, study finds
(Medical Xpress)—A team of researchers in Boston University's Psychology Department have found that, despite years of scientific training, even professional chemists, geologists, and physicists from major universities such ...
Psychology & Psychiatry
Oct 22, 2012 |
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Medical myth: Reading from a screen harms your eyes
The time most of us spend looking at a screen has rapidly increased over the past decade. If we're not at work on the computer, we're likely to stay tuned into the online sphere via a smart phone or tablet. ...
Health
Oct 19, 2012 |
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Genes and immune system shaped by childhood poverty, stress
(Medical Xpress)—A University of British Columbia and Centre for Molecular Medicine and Therapeutics (CMMT) study has revealed that childhood poverty, stress as an adult, and demographics such as age, sex and ethnicity, ...
Genetics
Oct 18, 2012 |
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Might lefties and righties benefit differently from a power nap?
People who like to nap say it helps them focus their minds post a little shut eye. Now, a study from Georgetown University Medical Center may have found evidence to support that notion.
Neuroscience
Oct 17, 2012 |
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Study clarifies process controlling night vision
On the road at night or on a tennis court at dusk, the eye can be deceived. Vision is not as sharp as in the light of day, and detecting a bicyclist on the road or a careening tennis ball can be tough.
Neuroscience
Oct 17, 2012 |
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Dental surgeon adds music to drill to appease patients
(Medical Xpress)—Doctor Dhanni Gustiana, a dental surgeon in the Indonesian city of Purworejo has devised a unique way to calm patients undergoing dental procedures. He's connected an MP3 player to a dental ...
Dentistry
Oct 11, 2012 |
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New study sheds light on cancer-protective properties of milk
Milk consumption has been linked to improved health, with decreased risks of diabetes, metabolic syndrome, and colon cancer. A group of scientists in Sweden found that lactoferricin4-14 (Lfcin4-14), a milk protein with known ...
Cancer
Oct 03, 2012 |
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Chronic exposure to dim light may raise depression risk
Two years ago, Randy Nelson, Ph.D., chair of neuroscience at Ohio State University, doctoral student Tracy Bedrosian, and colleagues reported that dim-light exposure at night was capable of triggering depressive-like ...
Psychology & Psychiatry
Sep 24, 2012 |
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Vision cells, not brain, to blame for colour blindness
The real culprits of colour blindness are vision cells rather than unusual wiring in the eye and brain, recent research has shown.
Ophthalmology
Sep 21, 2012 |
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iPhone attachment designed for at-home diagnoses of ear infections
(Medical Xpress)—A new pediatric medical device being developed by Georgia Tech and Emory University could make life easier for every parent who has rushed to the doctor with a child screaming from an ear ...
Diseases, Conditions, Syndromes
Sep 21, 2012 |
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