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Researchers have found a new way to test for water contamination. And it's thanks to our poop. In late 2024, researchers from Chungnam National University and Gyeongsang National University published their findings on a new technique for detecting fecal contamination in water using human viral DNA, known as microbial source tracking (MST), in the journal Water Research. And while this may make you let out a little "ew" under your breath, it's critical to know that fecal contamination is, in fact, a significant issue both globally and here in the United States. The World Health Organization explained, "In 2022, globally,...

CHICAGO (AP) - New supermarket carts equipped with touch screens will guide you to the tomatoes or toothpicks, let you order deli meat without standing in line and keep a running tally of your purchases. What they won't do is tell you how many fat grams or calories are in your cart. The idea is to make it easier for consumers to buy, not induce second thoughts that maybe you should put something back on the shelf. The touch-screen devices are on display at the supermarket industry's annual convention, being held this week in Chicago by the Food Marketing Institute....