Nell Greenfieldboyce

Nell Greenfieldboyce appears in the following:

Why Do Some Lizards Have Green Blood?

Wednesday, May 16, 2018

Scientists are trying to figure out how green-blooded lizards might benefit from the unusual pigment. The answer could provide new insights into human illnesses like jaundice and malaria.


Earth's 'Bigger, Older Cousin' Maybe Doesn't Even Exist

Friday, May 11, 2018

In 2015, to great fanfare, NASA announced a planet discovery considered a milestone in the hunt for another Earth. But now some researchers say it's not clear that this planet actually exists.


You Are Here: Scientists Unveil Precise Map Of More Than A Billion Stars

Wednesday, April 25, 2018

The European Space Agency has released a chart of the exact positions of many stars in the Milky Way and neighboring galaxies. But the map only shows a small fraction of what's out there.


Get Ready For the Next Big Thing In NASA's Search For Earth's Twin

Sunday, April 15, 2018

NASA is launching a mission to find Earth-sized planets beyond our solar system that scientists can study for signs of life. Scientists already know of over 3,000 planets around distant stars.


Center Of The Milky Way Has Thousands Of Black Holes, Study Shows

Wednesday, April 04, 2018

The supermassive black hole lurking at the center of our galaxy appears to have a lot of company, according to a new study that suggests the monster is surrounded by about 10,000 other black holes.


Spending Bill Lets CDC Study Gun Violence; But Researchers Are Skeptical It Will Help

Friday, March 23, 2018

In 1996, Congress limited the Centers for Disease Control and Prevention's ability to study gun control. That will change with the new budget, but gun violence researchers aren't impressed.


Government Spending Bill Could Change How Health Agencies Study Guns

Thursday, March 22, 2018

Some say the new appropriations bill contains language that will free up the Centers for Disease Control and Prevention to do more gun violence research, but others are more skeptical that anything will change.


A Chinese Space Lab Will Soon Fall From The Sky. Where It Lands, No One Knows

Tuesday, March 20, 2018

Most of the Chinese space lab, the size of a city bus, will burn up in the atmosphere, but some debris may survive re-entry.


Biologists Trace Genetic Roots Of Evolution, One Cell At A Time

Thursday, March 15, 2018

E.coli bacteria, each cell trapped in a tiny tube, are giving researchers the chance to study the pace and effects of single genetic mutations. Most mutations, the scientists find, aren't harmful.


Did Dark Matter Make The Early Universe Chill Out?

Wednesday, February 28, 2018

A new study suggests that the early universe got an unexpectedly cold start, and that dark matter may be to blame.


Why The Last 'Wild' Horses Really Aren't

Thursday, February 22, 2018

A story from the journal Science suggests that the only "wild" horses in existence aren't actually wild at all but rather are the feral descendants of an early domestication.


Space Enthusiasts Gather In Florida As Powerful Rocket Is Set To Launch

Tuesday, February 06, 2018

Private company SpaceX on Tuesday is set to launch the world's most powerful rocket — the Falcon Heavy. This is a test launch that will carry a cherry red Tesla roadster into orbit around Mars.


SpaceX Set To Launch World's Most Powerful Rocket

Monday, February 05, 2018

The company is getting ready for the first flight of its massive Falcon Heavy. It will be the most powerful rocket in use — if it doesn't blow up.


Unlike Humans, Bonobos Shun Helpers And Befriend The Bullies

Thursday, January 04, 2018

Given a choice, bonobos tend to prefer people who act like jerks and dominate. That's very different than humans, who even as infants consistently prefer people who are cooperative and not mean.


All I Want For Christmas Is A Giant Whale Eye

Friday, December 22, 2017

A giant whale eye spent decades on a strange journey before it finally arrived at an animal eyeball lab and gave the folks there the "best Christmas ever."


NIH Lifts Ban On Research That Could Make Deadly Viruses Even Worse

Tuesday, December 19, 2017

After an unusual three-year moratorium, the federal government says it will once again allow research on deadly viruses that could spark pandemics. The work has sparked concerns about bioterrorism.


Stressed-Out Narwhals Don't Know Whether To Freeze Or Flee, Scientists Find

Thursday, December 07, 2017

After being caught in a net, narwhals appear to get confused about what to do. Researchers say the whales' befuddlement could provide clues about how they will adapt to a changing Arctic.


Trump Picks Businessman To Lead NOAA

Wednesday, November 29, 2017

Senators are about to get their chance to grill the nominee for head of the National Oceanic and Atmospheric Administration. Critics say he has a conflict of interest.


Why Did The Passenger Pigeon Go Extinct? The Answer Might Lie In Their Toes

Thursday, November 16, 2017

Billions of these birds once flew over North America, but the last known passenger pigeon died in 1914. To try to figure out what happened, scientists analyzed DNA from the toes of birds in museums.


Scientists Say They've Found Hidden Space In Great Pyramid Of Giza

Thursday, November 02, 2017

Researchers used equipment that detects muons. Measuring the density of the tiny particles yielded an image of what's behind the pyramid walls with no damage to the ancient structure.