When she was three years old, Indrani Das conducted her first scientific experiment. Inspired by a National Geographic feature about fossils found in bright blue Amazon waters, she spent weeks ...
A presidential address. A grim anniversary. A cartel kingpin. What do you remember from the week that was?
This week, the state of the union was stated (but not uniting) at length. If you know your State of the Union history (or read NPR's coverage …), you'll get at least one question right!
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