UV Rays, Sunblock and You!
There are three kinds of invisible ultraviolet (UV) rays in the sun that reach the earth: UVA, UVB and UVC.UVC UVC does not reach us as it is absorbed by the upper levels of...
There are three kinds of invisible ultraviolet (UV) rays in the sun that reach the earth: UVA, UVB and UVC.UVC UVC does not reach us as it is absorbed by the upper levels of...
Chemicals found in grape seeds may help ward off skin cancer due to regular exposure to the sun, according to the results of an animal study reported in Chicago at the recent 223rd annual...