per and polyfluoroalkyl substances
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The ISS Has Higher Levels of Potentially Harmful Contaminants Than Most Homes
The International Space Station (ISS) has been home to more than 250 astronauts who have lived and worked on board the orbiting lab for months at a time. Unlike homes on Earth, however, the space station has been discovered to have higher levels of chemical contamination lingering in dust. A group of scientists analyzed a…
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Anti-Fog Sprays for Eyeglasses May Be Chock Full of PFAS
The sprays and cloths designed to keep eyeglasses fog-free may come with more than people bargained for, new research suggests. A small study found that these products can carry high levels of per- and polyfluorinated alkyl substances (PFAS), a class of “forever chemicals” that are suspected of having subtle but negative effects on our health.…