Nell Greenfieldboyce

Nell Greenfieldboyce appears in the following:

Cutting-Edge Research Shows How Hair Dulls Razor Blades

Thursday, August 06, 2020

Hair is soft compared with steel, but shaving can dull a razor surprisingly quickly. A new study examines exactly how a strand of hair can chip and crack a sharp blade.


Splashdown! SpaceX And NASA Astronauts Make History

Sunday, August 02, 2020

NASA and SpaceX are welcoming home two astronauts who splashed down safely in the Gulf of Mexico after several months on the International Space Station.


Beetles Dominate As Scientists Discover New Animal Species

Saturday, August 01, 2020

Beetles make up around 40% of all insect species ever described and around 25% of all animals. Are there really that many different kinds of beetles, or do scientists have a strong pro-beetle bias?


Astronauts Set To Return To Earth In First U.S. Splashdown In Decades

Friday, July 31, 2020

The two NASA astronauts who flew on the SpaceX craft to the International Space Station in May are scheduled to return to Earth on Sunday. But there's a hurricane forecast for the splashdown vicinity.


The First Gene-Altered Squid Has Thrilled Biologists

Thursday, July 30, 2020

Scientists have modified the genes of a squid, and genetically-altered octopuses could be coming soon.


Why One Dangerous Mosquito Developed A Taste For Human Blood

Thursday, July 23, 2020

Given the choice between an animal and a human, the Aedes aegypti species prefers ... us. A new study explains how that happened.


To Come To The Rescue Or Not? Rats, Like People, Take Cues From Bystanders

Wednesday, July 08, 2020

Experiments in people have long shown that the presence of indifferent bystanders hurts the chances that someone will help a stranger in an emergency. Rats, it turns out, behave the same way.


How Snakes Fly (Hint: It's Not On A Plane)

Monday, June 29, 2020

A snake researcher always wondered how flying snakes propelled themselves. Then, someone told him he should work with the snakes in The Cube — a vast theater space with cameras everywhere.


Dolphins Learn Foraging Tricks From Each Other, Not Just From Mom

Thursday, June 25, 2020

Scientists have found that dolphins learn a neat trick to trap fish by watching their close associates do it. This means that dolphins aren't just motivated to learn from their mothers.


Scientists Find The Biggest Soft-Shelled Egg Ever, Nicknamed 'The Thing'

Wednesday, June 17, 2020

A new study of dinosaur eggs, as well as a football-size egg from Antarctica, shows how some ancient creatures relied on soft shells rather than hard ones.


Sea Otters Can Be Money Makers, But Not Everyone Benefits

Thursday, June 11, 2020

The return of sea otters to historic habitats can restore ecosystems and bring economic benefits, but hungry otters can also threaten the food security of remote indigenous communities.


Astronauts Set To Land At International Space Station After Historic Launch

Sunday, May 31, 2020

NASA and SpaceX successfully launched NASA astronauts from US soil into space for the first time since 2011 on Saturday afternoon.


Trump Takes Credit For Space Launch That Got Its Start A Decade Ago

Saturday, May 30, 2020

The successful SpaceX launch has its roots in two previous administrations, but President Trump credited his own leadership.


New Spaceship Prepares To Blast Off And Make History

Tuesday, May 26, 2020

NASA and SpaceX plan to launch astronauts to the International Space Station on Wednesday. It'll be the first time a new kind of spacecraft has launched astronauts into orbit since the space shuttle.


Herd Of Fuzzy Green 'Glacier Mice' Baffles Scientists

Friday, May 22, 2020

Moss balls seem to roll around glaciers in a coordinated way, and researchers can't explain why the whole group moves at about the same speed and in the same direction.


Head Of NASA's Human Spaceflight Program Resigns A Week Before Crucial Launch

Tuesday, May 19, 2020

The sudden departure of Doug Loverro startles the space community, which has been eagerly anticipating the planned May 27 launch of astronauts from U.S. soil for the first time since 2011.


White House List Of Testing Labs Wasn't Helpful, States Say

Thursday, May 14, 2020

Representatives from a number of states said the list provided to them for coronavirus testing contained labs that they already knew about, or ones that weren't approved for the testing.


Coronavirus Update: The U.S. Health Care Industry Is Challenged By The Pandemic

Friday, May 08, 2020

The health care sector has cut 1.4 million jobs in April. And as COVID-19 has consumed health care resources, other essential routine procedures — like screenings for strokes — have gone down.


Coronavirus Updates: States Encounter Challenges In Reopening Businesses

Monday, May 04, 2020

NPR's science and political correspondents discuss challenges that states are facing as they attempt to reopen their economies amid the coronavirus outbreak.


Coronavirus Fears Have NASA Urging Space Fans To Stay Away From Historic Launch

Friday, May 01, 2020

The space agency is urging people not to travel to go see astronauts embark on their historic launch from Florida, the first time they will do so in nearly a decade.