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When we’ve been exposed to something that could harm us, what are we supposed to do — as regulators, as doctors, as company executives, or as people just trying to live our lives? Learn more about your ad choices. Visit megaphone.fm/adchoices

Former workers at Saint-Gobain’s New Hampshire plant share what they did — and didn’t — know about PFOA and its potential health effects. And how the chemical industry has worked to sow doubt to its own benefit. Learn more about your ad choices. Visit megaphone.fm/adchoices

We go back in time to Hoosick Falls, New York where a man looks for answers after his father dies of cancer following his retirement from the local Saint-Gobain plant. What he finds changes the course of this whole story: a remarkable kind of chemical once used to help make the Atom Bomb that manufacturers knew could be dangerous for decades. Learn more about your ad choices. Visit megaphone.fm/adchoices

A New Hampshire town finds out its water has been contaminated by a “forever chemical.” The source appears to be the nearby Saint-Gobain plant. Officials say the potential health effects are unclear, but most people can still drink the water. One resident doesn’t buy it and goes down a research rabbit hole. She soon learns all this has happened before. Learn more about your ad choices. Visit megaphone.fm/adchoices

A New Hampshire town finds out their water has been contaminated by a chemical. Their most basic question — whether the water is safe to drink — doesn’t have a clear answer. Nobody seems to know much about this so-called forever chemical, which is weird because… this has all happened before. From the Document team at New Hampshire Public Radio, Safe to Drink is a four-part series about the water contamination story that keeps repeating in town after town — and about the people who fought for answers through a maze of chemistry, regulations, and illnesses. Learn more about your ad choices. Visit megaphone.fm/adchoices

A genealogist finally digs into her own family’s past and unearths a 100-year-old tragedy. Then, she sets out to make sure the truth will never be buried again. Click here to see photos and more from this story. Learn more about your ad choices. Visit megaphone.fm/adchoices

“Operation Night Cat” is a special three-part series from NHPR’s Document team and Outside/In. Click here to listen to The Underdogs. NHPR's journalism is made possible by listeners like you. Click here to support independent, investigative journalism.  News audio clip credit: WMUR Learn more about your ad choices. Visit megaphone.fm/adchoices

“Operation Night Cat” is a special three-part series from NHPR’s Document team and Outside/In. NHPR's journalism is made possible by listeners like you. Click here to support independent, investigative journalism.  Learn more about your ad choices. Visit megaphone.fm/adchoices

“Operation Night Cat” is a special three-part series from NHPR’s Document team and Outside/In. Learn more about your ad choices. Visit megaphone.fm/adchoices

Introducing a special three-part series from NHPR’s Document team and Outside/In: Operation Night Cat.  A New Hampshire Fish and Game warden follows a tip to a man’s backyard. He finds a twisted game of one-upmanship, digital trophy rooms, and one of the biggest poaching cases in recent state history. Then, the hunting investigation takes a surprising turn when it reveals another set of potential crimes – this time, behind the brick walls of New Hampshire’s State Prison for Men.  Host Nate Hegyi has spent the past year digging into what happened next. Catch the first episode right here, on November 5th.  Learn more about your ad choices. Visit megaphone.fm/adchoices