Jeff Bezos’s aerospace company Blue Origin is now the second, after SpaceX, to land a rocket booster for reuse.

Wastewater testing can alert public health officials to measles infections days to months before cases are confirmed by doctors, researchers said in two studies published Thursday by the Centers for Disease Control and Prevention. Colorado health officials were able to get ahead of the highly contagious virus by tracking its presence in sewer systems, researchers wrote. The findings add to evidence that wastewater testing is a valuable weapon in tracking disease, including COVID-19, polio, mpo

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