Earthquakes, North Korea, and Katie Ledecky!

Today on CNN 10, we're looking at the science of earthquakes and whether it's possible to predict them accurately. We'll also get a window into life in North Korea, a place few outside the nation get the chance to encounter. And in Paris, we're talking with Olympic swimmer Katie Ledecky. All that and a boat that looks like a car on today's episode of CNN 10.

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