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Tag: light

New York gives the green light to retirement plan for workers without one

New York gives the green light to retirement plan for workers without one

Finance
New York has become the latest state to give the nod to a retirement savings program for workers who lack access to one where they work.Endorsed by the state legislature on Saturday via approval of its fiscal 2019 budget, the program would be similar to others cropping up around the country that provide private sector workers with a tax-advantaged retirement account if their employer does not offer one.The budget authorizes the creation of the New York Secure Choice Savings Program. While details are slim — a state board would be charged with working out the specifics — participation would be voluntary for both businesses and workers. Employees who choose to enroll would be able to direct part of their paycheck to a Roth IRA.While contributions to Roth IRAs are not tax-deductible, the asse
Sleeping in rooms with even a little light can increase risk of depression: Study

Sleeping in rooms with even a little light can increase risk of depression: Study

Health
Exposure to light at night, even at very low levels, has been linked to an increased risk of depression, according to a study published this month in the American Journal of Epidemiology. In general, nighttime light has been shown to disrupt internal sleep/wake cycles, which is an ever-growing concern as more people are using their phones and tablets in bed, or leaving the TV on as they sleep. But the new report goes further, measuring bedroom exposure to low levels of nighttime light using a portable light meter attached to the bed. Researchers followed nearly 900 elderly people in Japan for two years and assessed symptoms of depression and tested sleep/wake patterns throughout the night. They took into account weight, smoking or drinking habits, income level and medication use. Histo...
DNA sheds light on settlement of Pacific

DNA sheds light on settlement of Pacific

Science
A study of ancient DNA has shed light on the epic journeys that led to the settlement of the Pacific by humans.The region was one of the last on Earth to be permanently settled by humans who used canoes to traverse hundreds of miles of open ocean.Two different studies tracked changes over time in the genetic make-up of people inhabiting Vanuatu - regarded as a gateway to the rest of the Pacific.The work appears in Nature Ecology & Evolution and Current Biology.Prof David Reich, from Harvard Medical School, said the region had a "tremendous" range of human diversity, adding that Vanuatu itself had an "extraordinary diversity of languages" in a relatively small area. The number of languages spoken in the tiny island state is thought to number more than 130, though several are endangered ...
Amateur astronomer captures supernova's first light

Amateur astronomer captures supernova's first light

Science
Feb. 21 (UPI) -- An amateur astronomer has captured the fleeting first light of an exploding star. It's the first time anyone has documented the "first optical light" of a supernova.Stars explode all the time, but they do so at random, making it extremely difficult to document the sudden burst of light that proceeds their explosion.Victor Buso, an amateur astronomer from Rosario, Argentina, was just testing out his new camera and telescope in Sept. 2016, when he lucked his way into before-and-after images of an exploding star inside NGC 613, a spiral galaxy located 67 million light-years from Earth.While analyzing the images captured by his new camera, Buso noticed a unique flash of light. He got in touch with professional astronomers and shared his discovery with them. The researchers mob...
UV light can kill airborne flu virus, study finds

UV light can kill airborne flu virus, study finds

Science
Feb. 9 (UPI) -- Experiments prove low doses of far ultraviolet C light, or far-UVC light, can wipe out airborne flu virus without harming humans.Researchers at the Columbia University Irving Medical Center suggest far-UVC lamps should be installed in hospitals, doctors offices, schools, airports and other public places.Currently, ultraviolet light is used to decontaminate surgical equipment, but the light isn't safe for human exposure."Unfortunately, conventional germicidal UV light... can lead to skin cancer and cataracts, which prevents its use in public spaces," David J. Brenner, a professor of radiation biophysics and director of the Center for Radiological Research at CUIMC, said in a news release.Traditional UV lamps feature a broad spectrum of light wavelengths between 200 to 400 na...