Signs are placed on the outside doors of city hall to advise visitors that the library as well as a restroom are closed because of meth contamination in the south Denver suburb of Englewood, Colo. David Zalubowski/AP hide caption
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Empty shelves, normally stocked with strawberries, are seen at a Coles Supermarket in Brisbane, Australia. Dan Peled/AP hide caption
Lindsay Cristides, a master's student in oceanography at Texas A&M University, anchors a research vessel in the Houston Ship Channel before taking samples of sediment left behind by Hurricane Harvey floods. The samples will be tested for contaminants including heavy metals. Rebecca Hersher/NPR hide caption
Digging In The Mud To See What Toxic Substances Were Spread By Hurricane Harvey
People stand in front of eggs displayed at a supermarket in Lille, France, on Friday as a scandal over contaminated eggs spreads across Europe. AFP/Getty Images hide caption
Synthetic fibers from fleece jackets could be ending up in rivers, fields and our diet. emholk/iStockphoto/Getty Images hide caption
Earlier this week, NIH temporarily halted work in the cell therapy lab of Dr. Steven Rosenberg, chief of surgery at the National Cancer Institute, pending a review of safety standards there. Courtesy of National Cancer Institute hide caption
Task Force Calls For More Safety Oversight At NIH Research Hospital
A sign at the Westside Diner in Flint, Mich., reassures customers that it serves uncontaminated water pulled from Detroit's drinking supply. Brett Carlsen/Getty Images hide caption
Tests Say The Water Is Safe. But Flint's Restaurants Still Struggle
A particularly nasty family of gut bacteria with the nickname CRE is resistant even to carbapenems, a family of last-resort antibiotics. CDC hide caption