mark rober

Drinking Nasty Swamp Water (to save the world)

Multimedia with summary

While I'm normally a physics guy, got to give the chemists out there props on this one. Also props to Bill and Melinda Gates for partnering with me on this video. Check out their 2019 annual letter here- https://b-gat.es/2RPpLCc Here is a link to learn more about P&G's initiative and to donate (again...

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