Be Smart

Solving the Puzzle of Plate Tectonics

Season 4 Episode 23 | 4m 3s | Video has closed captioning.

Why do Africa and South America fit together? Anyone who’s ever looked at a map can see that Earth’s continents are kind of like a jigsaw puzzle. The idea that continents are constantly moving and weren’t always in their current spots is a pretty obvious idea, right? You might be surprised to learn that geologists only accepted that idea recently in the past few decades.

Aired: 03/07/17

Rating: NR

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Problems Playing Video? | Closed Captioning