Understanding UVA and UVB
Landmark Research Links Melanoma to UV Radiation
Published on April 16, 2010
In December 2009, a remarkable new study made perhaps the strongest case ever that some melanomas are caused by exposure to ultraviolet (UV) radiation.
Scientists at …
Ozone and UV: Where Are We Now?
Published on July 27, 2009
The stratospheric ozone layer absorbs most of the harmful ultraviolet B (UVB) radiation (shortwave UV rays measuring 280-315 nanometers, or nm) emitted by the sun. In …
Shining Light on Ultraviolet Radiation
Published on February 13, 2012
Ultraviolet radiation is composed of three wavelengths: UVA, UVB and UVC. While UVC isn't a concern for skin cancer, UVA and UVB play different roles when it …