News tagged with ultraviolet radiation

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Critical protein helps mend damaged DNA

In order to preserve our DNA, cells have developed an intricate system for monitoring and repairing DNA damage. Yet precisely how the initial damage signal is converted into a repair response remains unclear. Researchers ...

Dec 24, 2009
4.3 / 5 (4) 0

The Ring Nebula

The diversity of colours, shapes, and sizes of planetary nebulae make them fascinating objects. In this photo release Calar Alto presents a rather unique view combining both optical and near-infrared data ...

Nov 02, 2009
4.3 / 5 (7) 2

The Sun's Sneaky Variability

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. ...

Oct 28, 2009
4.8 / 5 (11) 5

EVE: Measuring the Sun's hidden variability

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. ...

Sep 22, 2009
4.1 / 5 (7) 0

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 ...

Jul 28, 2009
4.7 / 5 (12) 9