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Stories about: UV radiation

A Simulation of Earth Without Its 'Sunscreen' The world seems to have woken up just in time, researcher say, when more than two decades ago the United Nations and several leading countries in the world became aware of the first-ever sign of human activity influence on the atmosphere – the hole in the ozone layer. Despite the fact that it took 9 years to ge... 20 March 2009 09:35 GMT New DNA Marking Method Devised The human DNA, containing the basic information about who we are and what defines us as a species, as well as some genetic information passed on by individuals before us, was long believed to be completely photo resistant. In other words, in a twisted way, it blocked the light directed towards it with its own mass. T... 11 October 2008 06:53 GMT Frizz-Free, Shiny Summer Hair We've been talking about the sun a lot lately, particularly about how best to achieve long-lasting protection from its harmful rays now that summer is here and we're tempted to expose rather a lot of skin by the side of the pools or (for the lucky ones among us) on the beach.However, when we think of sun pr... 28 May 2008 08:49 GMT