Madeline K. Sofia Madeline Sofia is an associate producer on NPR's Science Desk.

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VIDEO: Snot Otters Get A Second Chance In Ohio

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How Moldy Hay And Sick Cows Led To A Lifesaving Drug

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Northern elephant seals recognize each other's voices based on rhythm and pitch. Nicolas Mathevon/Current Biology hide caption

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Nicolas Mathevon/Current Biology

Threat call of a northern elephant seal

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Deilephila elpenor, commonly called the elephant hawk-moth, has specialized eyes that don't reflect light. Such moths inspired scientists to invent an anti-glare coating for smart screens. Ullstein Bild/Getty Images hide caption

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Ullstein Bild/Getty Images

A blue whale, the largest animal on the planet, engulfs krill off the coast of California. Silverback Films/BBC/Proceedings of the Royal Society B hide caption

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Silverback Films/BBC/Proceedings of the Royal Society B

How The Biggest Animal On Earth Got So Big

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In an artist's rendering, a gigantic, cassowarylike dinosaur named Beibeilong, which lived some 90 million years ago, incubates its eggs. Zhao Chuang/Nature Communications hide caption

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Zhao Chuang/Nature Communications