Q&A: Copper Doorknobs as Germ Assassins Copper surfaces are valuable, but not infallible, in killing disease-causing microbes left on them. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Eclipse 2019: A total lunar eclipse IS COMING - 6 things you NEED to knowSpaceX, Elon Musk’s Rocket Company, Cuts 10 Percent of Its Work ForceEclipse 2019: Why does the Blood Moon turn red during a total lunar eclipse?NASA asteroid warning: 167ft rock discovered on New Year's Eve barreling to Earth TOMORROWWant to see your own DNA? Dr Brian Cox shows you how to isolate DNA in your kitchenNASA asteroid WARNING: 460ft asteroid discovered last month headed for Earth TOMORROW