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Soap Plus a Cheese Grater Makes an Award-Winning…
A soap dispenser built around a spring-loaded cheese grater won a…
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UV Light Can Make the Indoors Safer During…
Editor’s note: The author, Dr. Karl Linden, conducts research into water…
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Cloth Masks Do Protect the Wearer – Breathing…
Editor’s note: E4C asked the author, Dr. Monica Gandhi, about the…
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Can Handwashing with Ash or Soil Prevent COVID-19?
Handwashing with ash or soil is traditional in impoverished or remote…
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Five Notes on the Inextricable Link Between WASH…
One of the newer sad facts about poverty is that it…
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Eight Lessons Learned Designing a COVID-19 Response Ventilator
Mechanical ventilators in medicine date back to the early 1800s, but…
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Virtual Hackathons: Solve Coronavirus Problems Without Leaving Home
If you want to solve a problem quickly it helps to…
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Coronavirus: We’re in a Real-Time Laboratory of a…
A pause has been forced on urban life. Quiet roads, empty…
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Megacity Slums Incubate Disease – But the Coronavirus…
Having ravaged some of the world’s wealthiest cities, the coronavirus pandemic…
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Make Your Own Facemask Tested at 96.5% Filtration…
A do-it-yourself facemask built around an air conditioner filter has been…