News tagged with ultraviolet radiation

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New role for the JNK protein

Put simply, a tumor is the result of out-of-control cell growth. To assure that the cell cycle - the cell's process of duplicating itself to make more cells - goes smoothly, a large network of proteins tells other proteins ...

Jul 14, 2010 5 / 5 (2) 0 | with audio podcast

More than skin deep, tanning product of sun's rays

People who remain pale and never tan can blame their distant ancestors for choosing to live in the northern reaches of the globe and those who easily achieve a deep tan can thank their ancestors for living in the subtropical ...

Jun 21, 2010 4.5 / 5 (2) 0 | with audio podcast

Orion in a New Ligh (w/ Video)

(PhysOrg.com) -- The Orion Nebula reveals many of its hidden secrets in a dramatic image taken by ESO’s new VISTA survey telescope. The telescope’s huge field of view can show the full splendour of the ...

Feb 10, 2010 5 / 5 (5) 3 | with audio podcast

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