News tagged with ultraviolet radiation

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Listening to ancient colors

A team of McGill chemists have discovered that a technique known as photoacoustic infrared spectroscopy could be used to identify the composition of pigments used in art work that is decades or even centuries old. Pigments ...

Sep 02, 2010
4 / 5 (1) 0

Recipe for water: Just add starlight

ESA's (European Space Agency) Herschel infrared space observatory has discovered that ultraviolet starlight is a key ingredient for making water in the atmosphere of some stars. It is the only explanation ...

Sep 01, 2010
4.8 / 5 (12) 3 | with audio podcast

WISE Captures the Unicorn's Rose

(PhysOrg.com) -- Unicorns and roses are usually the stuff of fairy tales, but a new cosmic image taken by NASA's Wide-field Infrared Explorer (WISE) shows the Rosette nebula located within the constellation ...

Aug 26, 2010
5 / 5 (6) 1 | with audio podcast

Beach umbrellas do not block out all solar radiation

A team of researchers from the University of Valencia (UV) has proven that 34% of ultraviolet radiation filters through under beach umbrellas. According to what is published in the journal Photochemistry an ...

Jul 20, 2010
4 / 5 (3) 1

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

Image: Starburst Cluster Shows Celestial Fireworks

(PhysOrg.com) -- Like a July 4 fireworks display, a young, glittering collection of stars looks like an aerial burst. The cluster is surrounded by clouds of interstellar gas and dust—the raw material for ...

Jul 06, 2010
4.6 / 5 (10) 8 | 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

Asteroid Caught Marching Across Tadpole Nebula

(PhysOrg.com) -- A new infrared image from NASA's Wide-field Infrared Survey Explorer, or WISE, showcases the Tadpole nebula, a star-forming hub in the Auriga constellation about 12,000 light-years from Earth. ...

May 13, 2010
4.6 / 5 (14) 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

FDA debates tougher cancer warning on tanning beds

(AP) -- Just as millions head to tanning beds to prepare for spring break, the Food and Drug Administration will be debating how to toughen warnings that those sunlamps pose a cancer risk. Yes, sunburns are ...

Jan 18, 2010
3.5 / 5 (2) 0