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  1. 19785

    Not only is the finding that nanotubes “remained in particular in the liver and spleen” of concern, but there is no indication made or concern expressed over what happens after excretion. What biological activity do these structures have in the open environment, and for how long? Can they become airborne? Do they get removed in […]

    By Science News
  2. Earth

    Heating releases cookware chemicals

    Nonstick coatings on fry pans and microwave-popcorn bags can, when heated, release traces of potentially toxic perfluorinated chemicals.

    By Janet Raloff

  3. 19784

    So we shouldn’t cook food in easily cleanable pots because we might release a little bit of maybe-not-even-toxic chemicals into the food? Because a common chemical found worldwide is merely suspected of being linked to worldwide rates of exposure? Why are our U.S.