How To See Germs Spread

Mark Rober, a former NASA engineer and current “YouTuber and friend of science”, put together this video showing how easy it is to spread germs, including the COVID-19 virus, using a bunch of third graders.

Using Glo Germ powder (see the video and YouTube link for more details) , Mark shows how easy it is for one or two people to spread germs to an entire classroom. Even just shaking hands can pass the virus from one person to the next to the next to the next …. (you get the idea). He shows why sheltering at home and maintaining your distance are such a good ideas.

Mark also has some positive things to say about the COVID-19 pandemic. Worth watching and passing along.

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