Nell Greenfieldboyce Nell Greenfieldboyce is a NPR science correspondent.
Nell Greenfieldboyce 2010
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Nell Greenfieldboyce

Friend or foe? A California two-spot octopus (Octopus bimaculoides) gives observers the eye at the Marine Biological Laboratory in Woods Hole, Mass. Tom Kleindinst/Marine Biological Laboratory hide caption

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Tom Kleindinst/Marine Biological Laboratory

Octopuses Get Strangely Cuddly On The Mood Drug Ecstasy

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A 17-year-old male bonobo eats while his son watches in the Lola Ya Bonobo Sanctuary, Democratic Republic of Congo. Fiona Rogers/Getty Images hide caption

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Fiona Rogers/Getty Images

What's Mine Is Yours, Sort Of: Bonobos And The Tricky Evolutionary Roots Of Sharing

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Migration corridors depend on maintaining both habitat connectivity and animals' knowledge of the landscape, demonstrated by these migrating bighorn sheep in Park County, Wyo. Travis Zaffarano Trailcam, Wyoming Migration Initiative/University of Wyoming hide caption

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Travis Zaffarano Trailcam, Wyoming Migration Initiative/University of Wyoming

Migration 101: It Doesn't Come Naturally For Moose And Sheep

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A 2-millimeter hole was found last week in a Russian Soyuz MS-09 spacecraft (left) that is docked to the International Space Station. NASA/AP hide caption

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NASA/AP

Who Caused The Mysterious Leak At The International Space Station?

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Chimps use sticks to poke into a mock termite mound to taste a sweet substance placed in the mound by keepers at Chimp Haven in Keithville, La. Today, caretakers say, more chimps in the U.S. live in accredited animal sanctuaries than in research facilities. Janet McConnaughey/AP hide caption

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Janet McConnaughey/AP

Too Frail To Retire? Humans Ponder The Fate Of Research Chimps

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Previous research has shown that babies in the first year of life understand that certain individuals tend to win in social conflicts — such as individuals that are physically larger, or that come from larger social groups. Rick Lowe/Getty Images hide caption

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Rick Lowe/Getty Images

Toddlers Like Winners, But How They Win Matters

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Artist's concept of the Parker Solar Probe spacecraft approaching the sun. Launching in 2018, Parker Solar Probe will provide new data on solar activity and make critical contributions to our ability to forecast major space-weather events that impact life on Earth. NASA hide caption

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NASA

NASA Braves The Heat To Get Up Close And Personal With Our Sun

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NASA has named nine astronauts to crew the first test flights and missions of Boeing's CST-100 Starliner and SpaceX's Crew Dragon capsule. From left to right: Sunita Williams, Josh Cassada, Eric Boe, Nicole Mann, Christopher Ferguson, Douglas Hurley, Robert Behnken, Michael Hopkins and Victor Glover. NASA hide caption

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NASA
sorbetto/Getty Images

What Makes A Leader?

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Keeper Zachariah Mutai attends in March to Fatu, one of only two female northern white rhinos left in the world, in the pen where she is kept for observation, at the Ol Pejeta Conservancy in Laikipia county in Kenya. Scientists have successfully grown hybrid white rhino embryos in the lab, stoking hopes that a purebred northern white rhino could be implanted in a surrogate. Sunday Alamba/AP hide caption

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Sunday Alamba/AP

Scientists Hope Lab-Grown Embryos Can Save Rhino Species From Extinction

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Modern tools of biology could allow someone to recreate a dangerous virus, such as smallpox, from scratch. Dr. Hans Gelderblom/Visuals Unlimited/Getty Images hide caption

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Dr. Hans Gelderblom/Visuals Unlimited/Getty Images

Report For Defense Department Ranks Top Threats From 'Synthetic Biology'

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