Give For Good:

Nell Greenfieldboyce

Nell Greenfieldboyce is a NPR science correspondent.

With reporting focused on general science, NASA, and the intersection between technology and society, Greenfieldboyce has been on the science desk's technology beat since she joined NPR in 2005.

In that time Greenfieldboyce has reported on topics including the narwhals in Greenland, the ending of the space shuttle program, and the reasons why independent truckers don't want electronic tracking in their cabs.

Much of Greenfieldboyce's reporting reflects an interest in discovering how applied science and technology connects with people and culture. She has worked on stories spanning issues such as pet cloning, gene therapy, ballistics, and federal regulation of new technology.

Prior to NPR, Greenfieldboyce spent a decade working in print, mostly magazines including U.S. News & World Report and New Scientist.

A graduate of Johns Hopkins, earning her Bachelor's of Arts degree in social sciences and a Master's of Arts degree in science writing, Greenfieldboyce taught science writing for four years at the university. She was honored for her talents with the Evert Clark/Seth Payne Award for Young Science Journalists.

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3:22am

Mon April 6, 2015
Science

When Did Humans Start Shaping Earth's Fate? An Epoch Debate

Originally published on Mon April 6, 2015 10:35 am

Humans have had such a huge impact on the Earth that some geologists think the human era should be enshrined in the official timeline of our planet.

They want to give the age of humans a formal name, just as scientists use terms like the Jurassic or the Cretaceous to talk about the age of dinosaurs.

But some researchers think that formally establishing an "Anthropocene" — as many call it — as part of the geologic time scale would be a big mistake.

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3:43am

Fri March 27, 2015
The Two-Way

NASA To Study A Twin In Space And His Brother On Earth

Originally published on Fri March 27, 2015 2:58 pm

NASA astronaut Scott Kelly is seen inside a Soyuz simulator at the Gagarin Cosmonaut Training Center on March 4 in Star City, Russia. Kelly, along with Russian cosmonaut Mikhail Kornienko of the Russian Federal Space Agency, are scheduled for launch Friday aboard a Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan.
NASA/Bill Ingalls

Updated at 4 p.m. ET

A Russian rocket has carried a Russian cosmonaut and an American astronaut to the International Space Station, where they will live for a full year, twice as long as people usually stay.

No American has remained in space longer than 215 days. Only a few people have ever gone on space trips lasting a year or more — the longest was 437 days — and they're all Russian cosmonauts. The last year-plus stay in space occurred nearly two decades ago.

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1:01pm

Wed March 25, 2015
The Two-Way

Scientists Discover A New Form Of Ice — It's Square

Originally published on Wed March 25, 2015 7:00 pm

Water molecules between two layers of graphene arranged themselves in a lattice of squares — unlike any other known form of ice.
NPG Press via YouTube

Scientists recently observed a form of ice that's never been seen before, after sandwiching water between two layers of an unusual two-dimensional material called graphene.

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6:11am

Sat March 21, 2015
Science

Why Some Mushrooms Glow In The Dark

Originally published on Tue March 31, 2015 6:57 pm

N. gardneri mushrooms grow at the base of young babassu palms in Brazil. A bland tan by day, the fungi emit an eerie green light by night.
Michele P. Verderane/IP-USP

A team of scientists recently created some fake, glowing mushrooms and scattered them in a Brazilian forest in hopes of solving an ancient mystery: Why do some fungi emit light?

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2:17am

Tue March 17, 2015
Science

Are Humans Really Headed To Mars Anytime Soon?

Originally published on Tue March 17, 2015 8:15 am

Mars, anyone? Six researchers from the Mars Society sport their best space duds during this 2014 simulation of the conditions that explorers of the Red Planet might face. (From left) Ian Silversides, Anastasiya Stepanova, Alexandre Mangeot and Claude-Michel Laroche.
Micke Sebastien Paris Match via Getty Images

With recent news headlines proclaiming that dozens of people have been selected as finalists for a Martian astronaut corps, it might seem like a trip to this alien world might finally be close at hand.

But let's have a little reality check. What are the chances that we really will see people on the Red Planet in the next couple of decades?

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