Once it is safe to remove the spent fuel from the pool, it's stored outside in metal casks. They are lined up on a concrete base, behind razor wire and against a hillside near the power plant. Olivia Sun/NPR hide caption
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MMR — the modern combination vaccine against measles, mumps and rubella — provides stronger, longer-lasting protection against measles than the stand-alone measles vaccine typically given in the U.S. in the early 1960s. Eric Risberg/AP hide caption
Measles Shots Aren't Just For Kids: Many Adults Could Use A Booster Too
The Jasons, a group of scientists who advise the U.S. government, have developed technologies such as a laser that can help reduce atmospheric distortion. The Air Force uses it to better photograph passing spy satellites. R. Fugate/Air Force Research Laboratory hide caption
After Pentagon Ends Contract, Top-Secret Scientists Group Vows To Carry On
The cereal ads we saw when we were 5 years old can still influence our buying decisions at 50. Phillip Waterman/Getty Images/Cultura RF hide caption
Water from the Flint River flows through the Hamilton Dam. In 2014, the city switched from Detroit's water system to the Flint River, setting the stage for a crisis that sickened residents and cost the mayor and other officials their jobs. Paul Sancya/AP hide caption
InSight seismometer with protectiive wind cover deployed on Mars. NASA/JPL-Caltech hide caption
Golden State Warriors guard Stephen Curry (left) and then-Cleveland Cavaliers forward LeBron James scramble for a loose ball during Game 1 of the 2016 NBA Finals. Beck Diefenbach/AFP/Getty Images hide caption
