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Salmonella enterica and Listeria monocytogenes are two diarrhea-causing bacteria that can make you sick when eating contaminated produce. It turns out, soil-free growing mats used to produce microgreens might be a breeding ground for these bacteria. Peat or coco coir might be a safer choice.

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The Mars 2020 mission involves sending a rover, named Perseverance, to Mars to look for evidence of past life on that planet. Perseverance will collect samples of 3 billion year old rocks that scientists on Earth think might contain signs of ancient life on Mars. Later, NASA will launch a mission to retrieve those…

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Microbes on Earth have adapted to survive in some pretty extreme locations. The extreme dryness of deserts, high salinity in salt deposits, cold temperatures of glaciers, and even high pressures of the deep ocean don’t stop some life forms. Another extreme environment is created by a rock known as serpentinite. This…

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Chinese researchers studied which animals are at risk of becoming infected with the coronavirus and if they can pass it on to others. They discovered that at high levels of exposure, cats and ferrets were more likely to become infected with the novel coronavirus. However, dogs showed no evidence of COVID-19 symptoms or…