To develop a new variety of kale tailored to American palates, plant researchers are surveying consumer attitudes on the leafy green. Study participants took home the six varieties of kale pictured. The takeaway so far? "Be less like kale." Courtesy of H. Swegarden/Cornell NYSAES hide caption

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Courtesy of H. Swegarden/Cornell NYSAES

Comparative psychologist Claudia Fugazza and her dog demonstrate the "Do As I Do" method of exploring canine memory. Mirko Lui/Cell Press hide caption

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Mirko Lui/Cell Press

Your Dog Remembers Every Move You Make

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Maia Stern, Adam Cole/NPR

Watch Earth's History Play Out On A Football Field

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Dr. Robert Lustig says sugar can be "toxic." Courtesy of Robert Lustig hide caption

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Courtesy of Robert Lustig

How Worried Should We Be About Sugar?

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Professor Charles Spence says there's more to taste than flavor. Courtesy of Charles Spence hide caption

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Courtesy of Charles Spence

What Defines The Perfect Meal?

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Dessert, anyone? Hans Smid hide caption

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Hans Smid

Are Insects The Future Of Food?

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The streets of Todmorden, England, where free produce grows in public spaces. Shutterstock hide caption

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Shutterstock

How Does Food Become A Tool For Connection?

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Food writer Mark Bittman speaking at TED. Video still courtesy of TED hide caption

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Video still courtesy of TED

How Has The American Diet Changed Over Time?

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The mantis shrimp has "hexnocular vision" (as opposed to our binocular vision), thanks to its three "pseudopupils" in each eye. KQED hide caption

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KQED

When in a playful mood, rats like a gentle tickle as much as the next guy, researchers find. Shimpei Ishiyama and Michael Brecht/Science hide caption

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Shimpei Ishiyama and Michael Brecht/Science

A member of a whaling crew waves a flag at the start of the butchering of a just-captured bowhead whale in the outskirts of Barrow, Alaska, in 1998. Luciana Whitaker/CON/LatinContent/Getty Images hide caption

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Luciana Whitaker/CON/LatinContent/Getty Images

Eric Liu speaks at TEDNYC. Ryan Lash/TED hide caption

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Ryan Lash/TED

Does My Vote Really Matter?

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Sayu Bhojwani speaks at TEDNYC. Video still courtesy TED hide caption

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Video still courtesy TED

Are Immigrants The Key To A Stronger Democracy?

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Julia Galef explains why we think we're right, even when the facts say otherwise. Ryan Lash/TED hide caption

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Ryan Lash/TED

Are We Wrong To Think We're Right?

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Jonathan Tepperman speaks at TEDSummit in 2016. Bret Hartman/TED hide caption

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Bret Hartman/TED

How Can We Solve Democracy's Problems?

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Gary Waters/Ikon Images/Getty Images

Teen Night Owls Struggle To Learn And Control Emotions At School

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This rock was found on a British beach. Some scientists believe it could contain fossilized brain tissue. Jamie Hiscocks/University of Cambridge hide caption

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Jamie Hiscocks/University of Cambridge

Researchers Say They've Found A Bit Of Fossilized Dinosaur Brain

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