Article: Sunspots. (how ultraviolet light affects the skin)

Article: DNA repair enzyme: a structure revealed. (study on the structure ...
Science News;  July 8, 1995 ;     700+ words ...Like any complex machine, DNA has a tendency to break down--particularly under the onslaught of ultraviolet light. Energetic UV rays from the sun create subtle glitches in the fragile genetic material present in every living cell. Left ...

Article: UV and out; Researchers zap bacteria in water with ...
Telegraph - Herald (Dubuque);  January 15, 2001 ;     640 words ... ... microorganisms being spread by ships traveling around the world: Zap them with concentrated ultraviolet light. The technique involves using a lamp that emits UV rays to kill disease-causing bacteria and other microorganisms found in ballast water ...

Article: Researchers Use Ultraviolet Light to Zap Bacteria ...
Health & Medicine Week;  January 15, 2001 ;     700+ words ... ... microorganisms being spread by ships traveling around the world: zap them with concentrated ultraviolet light (UV). The technique involves using a lamp that emits UV rays to kill disease-causing bacteria and other microorganisms found in ballast water ...

Article: Hot days translate to more UV rays
The Gazette;  June 9, 2000 ;     383 words ... ... increased risk of cancer. UV rays also have been liked ... here, admitting more ultraviolet light than denser air ... primary defense against ultraviolet light, may be a factor in ... best protection from UV rays is to wear a hat and ...

Article: UV rays strengthening in North America. ...
Science News;  December 4, 1993 ;     700+ words ... ... a strengthening in the intensity of UV rays reaching Earth's surface. But evidence ... indoors. The greatest increase in ultraviolet light has occurred in winter, when UV radiation ... degrees N, where it receives much less ultraviolet light than do areas closer to the tropics ...

Article: UV rays may give tan seekers their sunny ...
The Milwaukee Journal Sentinel;  July 18, 2004 ;     529 words ...UV rays may give tan seekers their sunny dispositions ... who had not been shielded from the ultraviolet light consistently seemed more content and ... straight for the bed that provided ultraviolet light. The researchers liken that response ...

Article: In Rialto, UV rays treat the water
Inland Valley Daily Bulletin;  October 5, 2007 ;     604 words ... ... treat water by zapping it with ultraviolet light. "The UV is emerging technology ... fruitless cleaning method, but ultraviolet light disrupts the DNA of organisms ... process, however. Chlorine and UV rays each work better against different ...