Golden lion tamarins are one species that are largely monogamous. Felipe Dana/AP hide caption

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For Some Mammals It's One Love, But Reasons Still Unclear

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The remains of a tree are seen in front of a boulder in the Dome Wilderness area of New Mexico in August 2012. The Las Conchas Fire torched the land in 2011, burning through more than 150,000 acres of forest. David Gilkey/NPR hide caption

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Once Resilient, Trees In The West Now More Vulnerable To Fires

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Echolocation is second nature to animals such as bats and dolphins. Can humans also find their way using sound as a tool? Ian Waldie/Getty Images hide caption

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'Batman' Style: How We Can See With Sound, Too

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Melding Two Memories Into One

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Biologists normally look for the hellbender slamander, which is known by the nickname "snot otter," under rocks in streams. But now there's a gentler way: They can take water samples and look for traces of the animals' DNA. Robert J. Erwin/Science Source hide caption

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What's Swimming In The River? Just Look For DNA

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The next time you are in an office cafeteria, notice who sits next to whom at lunch. Jose Pelaez/Corbis hide caption

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Being In The Minority Can Cost You And Your Company

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A harmful trio (from left): a deer tick, lone star tick and dog tick. Getty Images hide caption

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Bottle-nosed dolphins leap out of the water near Dana Point, Calif. David McNew/Getty Images hide caption

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We Call Him Flipper. But What Do The Dolphins Call Him?

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Researchers say it may be possible to temporarily reduce racial biases. Images.com/Corbis hide caption

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How To Fight Racial Bias When It's Silent And Subtle

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Pandoraviruses were discovered lurking in the mud of Chile and Australia, half a world apart. courtesy of Chantal Abergel and Jean-Michel Claverie hide caption

toggle caption courtesy of Chantal Abergel and Jean-Michel Claverie

World's Biggest Virus May Have Ancient Roots

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Wood fibers are coated with carbon nanotubes and then packed into small disks of metal. The sodium ions moving around in the wood fibers create an electric current. Heather Rousseau/NPR hide caption

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All Charged Up: Engineers Create A Battery Made Of Wood

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