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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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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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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 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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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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Countries Gather For Wildlife Convention On Animal Trafficking

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The northern lights over Iceland in February. The glowing orange area on the left side are the lights of the capital, Reykjavik. Jamie Cooper/SSPL via Getty Images hide caption

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Jamie Cooper/SSPL via Getty Images

Luz Barajas took her son Carlos Cholico to get his flu shot at Crawford Kids Clinic in Aurora, Colo., last year. Health officials say there is some evidence the flu shot is more protective than the nasal flu vaccine. Brent Lewis/The Denver Post via Getty Images hide caption

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Brent Lewis/The Denver Post via Getty Images

Rats are great at remembering where they last sniffed the strawberries. Alexey Krasaven/Flickr hide caption

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Alexey Krasaven/Flickr

Rats That Reminisce May Lead To Better Tests For Alzheimer's Drugs

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An illustration of Rosetta just before Friday's expected landing on the comet known as 67P/Churyumov-Gerasimenko. The final approach aims to be only at "walking speed," mission specialists say, but that's enough to tip the antenna away from Earth. ATG medialab/ESA hide caption

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ATG medialab/ESA

Scientists To Bid A Bittersweet Farewell To Rosetta, The Comet Chaser

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A multi-million dollar effort to produce a test to guide treatment for a potentially lethal skin cancer recently fell apart after the scientific investigator discovered that the commercial antibodies he was using were unreliable. Cultura RM Exclusive/Peter Mulle/Getty Images hide caption

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Cultura RM Exclusive/Peter Mulle/Getty Images

Rescuers untangle a gray whale from ghost net off the coast of California. Bob Talbot/Marine Photobank/Courtesy of World Animal Protection hide caption

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Bob Talbot/Marine Photobank/Courtesy of World Animal Protection