What are the pros and cons of electromagnetic radiation?

Is the free Youtube to mp3 converter free and safe to download? Do you have to use zune software to put music on your zune? What is the optimal wireless mic frequency to use for minimizing interference and ensuring clear audio transmission? Does Friday night smackdown come on directv? Is there any recording program that could change the pitch of my voice to a given note or pitch or melody played by a guitar etc? What are the comparisons between science and philosophy? What are the key differences between the Canon 5D Mark III and the Sony A7S in terms of performance and features, and which one would be a better choice for professional photography and videography? When was Sky Plus created? How do you download free musci from playlistcom? What is a Bang and Olufsen Beocentre 2200 worth? Why is my blu ray DVD player saying it's blocked? What channel do you put your tv on to view directv? What are wavelength standards? How do you get a tv show off your iPod without deleting it? What is an absolute comparison? What channel is wbz-TV on direct TV? Is it possible to make iPod touch undetectable by a router? Msnbc on dish network? What does GB on an iPod mean? I have a 6 month old JVC 56FN97 that has developed a dark spot across the bottom of the screen that seems as though the screen is delaminated or something can it be fixed?