Pope Francis speaks in a video at the TED2017 conference Tuesday in Vancouver, British Columbia. The audience gave him a standing ovation after the talk, which stressed the importance of humility among the powerful. Ryan Lash /TED hide caption

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Ryan Lash /TED

The entrance to the Svalbard Global Seed Vault. Courtesy of Global Crop Diversity Trust hide caption

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Courtesy of Global Crop Diversity Trust

Can We Preserve Seed Diversity For The Future?

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Paleontologist Peter Ward speaking on the TED stage. Andrew Heavens/TED hide caption

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Andrew Heavens/TED

Are We Headed Into Another Mass Extinction?

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Paleontologist Kenneth Lacovara speaks at TED in 2016. Bret Hartman /TED hide caption

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Bret Hartman /TED

How Can Dinosaurs Help Us Understand Our Own Species?

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A child enjoying nature. Courtesy Emma Marris hide caption

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Courtesy Emma Marris

How Do We Embrace All Kinds Of Nature?

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Paleontologist Kenneth Lacovara speaks at TED in 2016. Bret Hartman/TED hide caption

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Bret Hartman/TED

What's The Anthropocene?

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Richard Turere speaks at the TED2013 conference in Long Beach, Calif. With a simple invention, the Kenyan teen figured out a way to keep cows and their predators safe. James Duncan Davidson hide caption

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James Duncan Davidson