PFAS, PFAS everywhere: How pristine are laboratory materials?

How do you study the effects of exposure to per- and polyfluoroalkyl substances (PFAS), when it is in everything? To study the effect of a chemical, toxicologists typically expose animals to various doses of the chemical ...

Wildlife, air quality at risk as Great Salt Lake nears low

The silvery blue waters of the Great Salt Lake sprawl across the Utah desert, having covered an area nearly the size of Delaware for much of history. For years, though, the largest natural lake west of the Mississippi River ...

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