We tested NYC water for lead and the results were confounding
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How a small Chinese company tricked the German state | DW Investigation
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NYC is Building Anti-Homeless Streets…
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Why we can't focus.
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Why are Brita Filters SO Popular?
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Gold isn’t rare. So why is it valuable?
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The Simple Genius of NYC’s Water Supply System
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The Man Who Accidentally Killed The Most People In History
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