Sarah and Mande heard about a special metal that can kill bacteria: silver. Turns out silver has been used throughout history from Egyptians to American settlers to prevent bacteria in food and wounds. They stopped by the Sciencenter in Ithaca, New York, to learn more about how nanosized silver is being used today. Nanosilver is just silver broken down into such small pieces so it is even smaller than bacteria. They learned that there are some socks with nanosilver in them to keep them stink-free. But some people are worried that when you wash them, the nanosilver could leak out and harm good bacteria in the environment. Their question: does any nanosilver leak out of socks when they are washed?
This video is available in both English and Spanish audio, along with corresponding closed captions.