Dave_Isay_Calling_TED

You don’t “find your calling,” you fight for it — and other lessons from people who found their passion (sometimes late in life).

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Thomas Peschak takes stunning, up-close pictures of starfish, sharks and whales. His goal? To make us fall in love with them so much that we might even care about preserving the oceans.

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Archaeology is a puzzle. For Sarah Parcak, the arduous process of trying to find ancient treasures is made exponentially easier by satellite imagery.

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Corrupt officials and criminal operators are brilliant at hiding their money and actions from public view. But there’s something we can do about it, says the team at Global Witness. It starts with closing loopholes.

FEATURED_Silent_Evolution_Jason-deCaires-Taylor_Sculpture

Jason deCaires Taylor casts giant cement sculptures that weigh thousands of pounds — and then sinks them into the ocean. His idea: to create a unique underwater gallery that algae, corals and other sea creatures can call home.

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When artist JR started a project about the 1.2 million people held in limbo at the Ellis Island Immigrant Hospital in the early 20th century, he couldn’t help but notice ghosts of the present.

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Here’s a riddle for you: A plane flew for five days and nights, staying airborne for 118 hours. But it didn’t use a single drop of fuel. How? Bertrand Piccard explains.