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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.

A rocket more powerful than any other flying today is scheduled to blast off Tuesday for the first time, if all goes well.

Even very young babies can tell the difference between someone who's helpful and someone who's mean — and lab studies show that babies consistently prefer the helpers.

But one of humans' closest relatives — the bonobo — makes a different choice, preferring to cozy up to the meanies.

That's according to experiments described Thursday in the journal Current Biology, by scientists who wanted to explore the evolutionary origins of humans' unusually cooperative behavior.

The end of the year is a time of holiday gift giving, and finding just the right gift can sometimes feel like an impossible task. But folks at an animal eyeball lab say that a gift they've just received, partly thanks to NPR, has made this the "best Christmas ever."

It's a massive whale eye, probably from a blue whale, and the story of how it ended up at the lab starts in the 1960s.

Scientists could soon resume controversial experiments on germs with the potential to cause pandemics, as government officials have decided to finally lift an unusual three-year moratorium on federal funding for the work.

The research involves three viruses — influenza, SARS, and MERS — that could kill millions if they mutated in a way that let the germs spread quickly among people.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

SCOTT SIMON, HOST:

President Trump has formally told NASA to send U.S. astronauts back to the moon.

"The directive I'm signing today will refocus America's space program on human exploration and discovery," he said.

Standing at the president's side as he signed "Space Policy Directive 1" on Monday was Apollo 17 astronaut Harrison Schmitt, one of the last two humans to ever walk on the moon, in a mission that took place 45 years ago this week.

Narwhals — the unicorns of the sea — show a weird fear response after being entangled in nets. Scientists say this unusual reaction to human-induced stress might restrict blood flow to the brain and leave the whales addled.

Scientists have just discovered a supermassive black hole that existed surprisingly early in the history of the universe, and the puzzling find is shedding new light on when the first stars blinked on.

Astronomers spotted the black hole, the most distant ever found, sitting inside a bright object so far away that the light had been traveling for 13 billion years before reaching Earth.

The ever-widening use of artificial lights is making the nighttime Earth glow increasingly brighter, with the amount of global light growing about 2 percent each year.

That worries advocates for the protection of dark skies, who say that artificial night glow can affect wildlife like migrating birds and keeps people from connecting to the stars. What's more, they say, all that wasted light sent out into space is effectively wasted money.

Scientists believe they may have new insights into why passenger pigeons went extinct, after analyzing DNA from the toes of birds that have been carefully preserved in museums for over a century.

The Great Pyramid of Giza has been probed with the tools of modern particle physics by scientists who say they have discovered a huge, secret space hidden within its ancient walls.

It is located above a tall, cathedral-like room known as the Grand Gallery, and this newly found space is comparable in size — about 100 feet long, according to a report in the journal Nature.

Astronomers have spotted some kind of outer space rock that's the first visitor from outside of our solar system that they've ever observed.

The discovery has set off a mad scramble to point telescopes at this fast-moving object to try to learn as much as possible before it zips out of sight.

Having police officers wear little cameras seems to have no discernible impact on citizen complaints or officers' use of force, at least in the nation's capital.

That's the conclusion of a study performed as Washington, D.C., rolled out its huge camera program. The city has one of the largest forces in the country, with some 2,600 officers now wearing cameras on their collars or shirts.

For the first time, scientists have caught two neutron stars in the act of colliding, revealing that these strange smashups are the source of heavy elements such as gold and platinum.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

ROBERT SIEGEL, HOST:

Right now we're in the peak of the fall migration season. Billions of birds are making their way south. Many species travel at night, and a new study shows how artificial light can affect their journey through darkness. NPR's Nell Greenfieldboyce reports.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

ROBERT SIEGEL, HOST:

Today, three scientists won the Nobel Prize in Chemistry for developing a new way to image biological molecules. NPR's Nell Greenfieldboyce has more on the winners.

For years, the government has been trying to reduce the risk that legitimate biological research could be misused to threaten the public's health, but those efforts have serious shortcomings.

That's the conclusion of a report released Thursday by the prestigious National Academies of Sciences, Engineering, and Medicine that examined existing practices and policies on so-called dual-use biological research.

President Trump's pick for the next leader of NASA is a fighter pilot who wants Americans to return to the moon but doesn't believe that humans are causing climate change.

The day of the long-awaited coast-to-coast solar eclipse has arrived — and if history is any guide, it's likely that somebody's eyes are going to get hurt.

Anyone who gets to see the total solar eclipse on August 21 will be lucky — and humanity is lucky to live on a planet that even has this kind of celestial event.

Mercury and Venus, after all, don't even have moons. Mars has a couple, but they're too small to completely blot out the sun. Gas giants like Jupiter do have big moons, but they don't have solid surfaces where you could stand and enjoy an eclipse.

And, even with solid land and a moon, Earth only gets its gorgeous total solar eclipses because of a cosmic coincidence.

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