PBS Presents

Think Wednesday | May 1, 2019 Preview

Preview | 30s

Learn how climate change can affect nature's perfectly synchronized partnerships with a new episode of NATURE. On this episode of NOVA, learn how medieval builders raised Gothic cathedrals to such spectacular heights. When Breakthrough: The Ideas That Changed the World continues, check out the history of robots and learn how they are fast becoming a part of everyday life.

Aired: 05/01/19

Rating: NR

Video has closed captioning.

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