News tagged with ultraviolet radiation

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Study: Tanning beds definitely cause cancer

(AP) -- International cancer experts have moved tanning beds and ultraviolet radiation into the top cancer risk category, deeming both to be as deadly as arsenic and mustard gas. For years, scientists have described tanning ...

dateJul 28, 2009 in Cancer
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Climatic effects of a solar minimum

An abrupt cooling in Europe together with an increase in humidity and particularly in windiness coincided with a sustained reduction in solar activity 2800 years ago. Scientists from the German Research Centre for Geosciences ...

dateMay 06, 2012 in Earth Sciences
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Team develops new metamaterial device

An engineered metamaterial proved it can function as a state-of-the-art device in the complex terahertz range of the electromagnetic spectrum, setting a standard of performance for modulating tiny waves of radiation, according ...

dateFeb 24, 2009 in Optics & Photonics
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Hubble sees a cosmic caterpillar

( —This light-year-long knot of interstellar gas and dust resembles a caterpillar on its way to a feast. But the meat of the story is not only what this cosmic caterpillar eats for lunch, but also what's eating ...

dateAug 29, 2013 in Astronomy
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Andromeda's coat of many colors (w/ video)

( -- ESA's fleet of space telescopes has captured the nearby Andromeda Galaxy, also known as M31, in different wavelengths. Most of these wavelengths are invisible to the eye and each shows a different aspect ...

dateApr 27, 2011 in Astronomy
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