Nanoparticles and their size may not be big issues
Monday, October 24, 2011 - 14:30
in Physics & Chemistry
If you've ever eaten from silverware or worn copper jewelry, you've been around nanoparticles dropped into the environment, say scientists. Using high-powered microscopes, researchers looked at common metal products, finding that we've been exposed for years and concluding that 'size' concerns may be overblown.