Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Click here to see all of PopSci’s COVID-19 coverage. With the more ...
We’ve all seen the signs in restaurant restrooms saying that employees must wash their hands. The signs always seem to be placed above or right near the sink, where people already washing their hands ...
In times of health emergencies and humanitarian disasters where water is scarce, people worldwide have relied on the Tippy Tap. It's a DIY hand-washing station developed by aid workers that can be ...
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