Patsy Sherman, a pioneering scientist at 3M Co. and the co-inventor of the original Scotchgard fabric protector, died Monday after a brief illness. She was 77. “She always had a great interest in ...

Q Scotchgard contains perfluorochemicals, which have been in the news. I have Scotchgard on my children's mattresses. Can they safely sleep on these? Also, some lakes contain these chemicals. Can ...

Studies show the compound poses no health risk to humans, but it is not environmentally friendly. 3M Co., the giant consumer products company, said Tuesday that it would stop making many of its ...

Q: Scotchgard contains perfluorochemicals, which have been in the news. I have Scotchgard on my children’s mattresses. Can they safely sleep on these? A: It’s probably safe to sleep on a mattress that ...

While experts argue the efficacy of building America’s space-based Strategic Defense Initiative, here on Earth one of the nation’s most trusted defense systems will, by year’s end, be dismantled.