Getting a drink of water in rural Kenya might mean a six-mile walk to a well. But a new kit for a DIY water filter makes it possible to cheaply purify polluted water from nearby sources instead. Most ...
All sorts of nasties—lead, mercury, radium, nitrates, norovirus, agricultural runoff, PFAS, and more—can lurk in your water. No surprise, then, that about 40% of U.S. homes filter theirs. But the ...
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