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

Actual scientific research on beards is, regrettably, scant. However, researchers now know how beards are perceived by one important group of people: children. Maskot/Getty Images hide caption

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Maskot/Getty Images

Kids See Bearded Men As Strong — But Unattractive, Study Finds

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Sharks Like To Hang Out, But Their Spots Often Overlap With Commercial Fishers'

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Indian fishermen pull up a shark from a boat for sale at a harbor in Chennai in June 2018. Many shark species tend to congregate in the same areas as industrial fishing ships, a study finds. Arun Sankar/AFP/Getty Images hide caption

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Arun Sankar/AFP/Getty Images

A Study Confirms That Laugh Tracks Make Jokes Seem Funnier

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NASA Moves Forward With Plans For Multi-Billion-Dollar Moon Rocket

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Buzz Aldrin (left) practices collecting a sample while Neil Armstrong photographs during a training session before the Apollo 11 mission. The Apollo 11 astronauts returned with about 50 pounds of material, including 50 rocks. NASA hide caption

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NASA

Moon Rocks Still Awe, And Scientists Hope To Get Their Hands On More

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The International Space Station is reflected in the visor of Expedition 59 flight engineer David Saint-Jacques of the Canadian Space Agency. NASA hide caption

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NASA

As NASA Aims For The Moon, An Aging Space Station Faces An Uncertain Future

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Michigan State University doctoral student Mike Morrison has a redesign for scientific posters to spell out their main point in big, easy-to-read letters. Courtesy of Mike Morrison hide caption

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Courtesy of Mike Morrison

To Save The Science Poster, Researchers Want To Kill It And Start Over

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A California two-spot octopus extends a sucker-lined arm from its den. In 2015, this was the first octopus species to have its full genetic sequence published. Courtesy of Michael LaBarbera hide caption

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Courtesy of Michael LaBarbera

Why Octopuses Might Be The Next Lab Rats

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Rich Isaacson, seen in his backyard in Pentagon City, Va., wrote his thesis on gravitational waves and says he always thought their existence would be proved sometime during his career. But he didn't realize that trying to see them would become his career. Ryan Kellman/NPR hide caption

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Ryan Kellman/NPR

Billion-Dollar Gamble: How A 'Singular Hero' Helped Start A New Field In Physics

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Asteroid Simulation Reveals How Well Earth's Planetary Defenses Work

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A stripe of red dots shows the risk corridor for a hypothetical asteroid strike, part of an exercise this week held by planetary defense experts in which they analyze data about a fictitious asteroid. Landsat/Copernicus/Google Earth/Dept. of State Geographer hide caption

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Landsat/Copernicus/Google Earth/Dept. of State Geographer

This Week, NASA Is Pretending An Asteroid Is On Its Way To Smack The Earth

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The image on the left shows the brains of pigs that were untreated for 10 hours after death, with neurons appearing as green, astrocytes as red and cell nuclei as blue. The image on the right shows cells in the same area of brains that, four hours after death, were hooked up to a system that the Yale University researchers call BrainEx. Stefano G. Daniele and Zvonimir Vrselja, Sestan Laboratory, Yale School of Medicine hide caption

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Stefano G. Daniele and Zvonimir Vrselja, Sestan Laboratory, Yale School of Medicine

Scientists Restore Some Function In The Brains Of Dead Pigs

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Scientists Have Taken The First Photo Of Something That's Invisible — A Black Hole

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