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"3M poisoned our water to save a buck or two"

Derek Lowen grew up in Oakdale, Minnesota. Oakdale is also home to a 3M disposal site, one of several across the state. Water testing in 2005 and 2006 showed extremely high levels of PFOS and PFOA, two types of PFAS chemicals. Internal documents showed that 3M was aware of the dangers of PFAS chemicals for decades, but did not inform alert the public or the government about the potential risk.
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Carbon Nanotubes: Good guys? Bad guys?

Introducing carbon nanotubes, a scientific wonder substance. You may not have heard of carbon nanotubes (or CNTs), but they are probably already part of your life. They may be in your cell phone or computer, where they are used as semiconductors, or part of your bike frame, where they provide strength without weight. They could even be in your tires, helping improve handling on slick roadways.