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Scientific American New Technologies Could Protect Against Arsenic Toxicity in Water Filters in household faucets and genetic technology could help reduce this public health threat, biologist Rebecca Fry says Advertisement Arsenic’s potent effect on humans has been known since at least the Roman Empire. For centuries, it was a popular poison for murderers because it can’t be seen, smelled or tasted in food or water. That made it difficult to detect. As chemical detection methods improved, its use as a poison declined. But arsenic, a naturally occurring chemical element in the Earth’s cr...

Uncovering Hidden Forever Chemicals New tool finds and fingerprints previously undetected PFAS compounds in watersheds on Cape Cod Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) found large quantities of previously undetectable compounds from the family of chemicals known as PFAS in six watersheds on Cape Cod using a new method to quantify and identify PFAS compounds. Exposures to some PFAS, widely used for their ability to repel heat, water, and oil, are linked to a range of health risks including cancer, immune suppression, diabetes, and low i...

HYANNIS – A study released Friday by Harvard University researchers found that conventional testing for per- and polyfluoroalkyl substances (PFAS) found just a fraction of what was actually present in water tested at sampling sites in the Childs River and Quashnet River watersheds in Mashpee, and the Mill Creek watershed in Hyannis.  But the finding no one expected was an additional large amount of PFAS in these three watersheds that had previously gone undetected and was not from firefighting foams used nearby. “The biggest point sources (for PFAS) were the firefighting foams, but t...

 E-Mail Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) found large quantities of previously undetectable compounds from the family of chemicals known as PFAS in six watersheds on Cape Cod using a new method to quantify and identify PFAS compounds. Exposures to some PFAS, widely used for their ability to repel heat, water, and oil, are linked to a range of health risks including cancer, immune suppression, diabetes, and low infant birth weight. The new testing method revealed large quantities of previously undetected PFAS from fire-retardant foa...