Forces of Nature

Shape

We can’t directly see the forces that govern Earth, but we can see their shadows in the shapes of nature that surround us. If we understand why these shapes exist, we can understand the rules that bind the entire universe.

Human Towers

3m 14s

At the Concurs de Castells competition in Catalonia, Spain, teams battle the force of gravity as they compete to build the tallest, most complex human towers. Hundreds of people come together and form a giant circle, called the pinya, to support the towers up to 10 people high. But it’s the lightest members of the team — children — who get sent to the very top.

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