Nell Greenfieldboyce

Nell Greenfieldboyce appears in the following:

This Planet Just Outside Our Solar System Is 'Potentially Habitable'

Wednesday, August 24, 2016

It's not exactly close — 25 trillion miles from Earth, say the scientists who spotted it. But that might be near enough for further exploration. It's about Earth's size, with mild temperatures.


The Physics And Psychology Of 'The Wave' At Sporting Events

Monday, August 15, 2016

You may love or hate "the wave" as it sweeps through spectators at baseball, football and soccer games. But physicists say the synchronized action shows how humans are like particles.


Talk About An Ancient Mariner! Greenland Shark Is At Least 272 Years Old

Thursday, August 11, 2016

This Arctic species can live longer than any other known animal advanced enough to have a backbone, scientists say — maybe more than 500 years. Their muscles might hold clues that could help humans.


Astronomers Predict Incredible Show As Perseid Meteor Shower Peaks

Wednesday, August 10, 2016

The popular annual Perseid meteor shower peaks Thursday night. If astronomical predictions hold true, it could be the best show in years.


Most Nighttime Crashes With Teen Drivers Happen Before Midnight

Wednesday, August 03, 2016

Nighttime driving restrictions on teens may save lives, a study finds, but should probably be shifted to include late evening. A third of all fatal crashes with teen drivers happen after dark.


The Mystery Of The Fireball That Lit Up The Western Sky

Thursday, July 28, 2016

A mysterious fireball seen in the sky over the American West on Wednesday night turned out to be Chinese rocket falling through the atmosphere.


How Jupiter's Red Spot Makes Things High Above It Hot, Hot, Hot

Wednesday, July 27, 2016

Think summer's hot on Earth? Space physicists tracking weather on Jupiter say the roar of the raging storm we call the Great Red Spot heats the outer atmosphere above it by more than 1,000 degrees F.


How Wild Birds Team Up With Humans To Guide Them To Honey

Thursday, July 21, 2016

It sounds like a fairy tale but it's real. A study shows how wild birds and people communicate to find bees' nests and share the sweet honeycomb. The teamwork may date back thousands of years or more.


Climate Change May Already Be Shifting Clouds Toward The Poles

Monday, July 11, 2016

Scientists who have been tracking cloud patterns over the past two decades say the shifts they're seeing seem to correlate closely with what's predicted by computer models of Earth's changing climate.


What Comes Next For NASA After Juno? Not Much

Tuesday, July 05, 2016

Enjoy Juno's trip to Jupiter — after that we'll see a little gap in planetary science missions from the U.S. That's because a NASA budget crunch several years ago left fewer missions in the pipeline.


Inside A Secret Government Warehouse Prepped For Health Catastrophes

Monday, June 27, 2016

More than $7 billion in drugs, vaccines and supplies are stashed in warehouses to be tapped in case of a pandemic or an attack with chemical, biological or nuclear weapons. NPR got a peek at one.


Light Pollution Hides Milky Way From 80 Percent Of North Americans, Atlas Shows

Friday, June 10, 2016

More than 99 percent of the people living in the U.S. and Europe look up and see light-polluted skies, according to a new atlas of artificial night sky brightness.


Bats In The Bedroom Can Spread Rabies Without An Obvious Bite

Thursday, June 02, 2016

When a Wyoming woman fell ill, no one suspected that she could have rabies from a bat in her bedroom. Health officials say sleeping in a room with a bat is a rabies risk because bites are hard to see.


She's A Man-Eater, And That's OK With Male Orb-Weaving Spiders

Wednesday, June 01, 2016

Usually in nature, the females choose the males they mate with. But researchers say a type of male orb-weaving spider selects the female — which will cannibalize him afterward.


Bumblebees' Little Hairs Can Sense Flowers' Electric Fields

Monday, May 30, 2016

The fields bend the hairs, and that generates a nerve signal, scientists say.


For Female Fruit Flies, Mr. Right Has The Biggest Sperm

Wednesday, May 25, 2016

It's not unusual for males to try to impress females with big body parts. Consider antlers on deer, or elaborate tails on peacocks. Some male fruit flies take a different approach: giant sperm.


CDC: 157 Pregnant Women In The U.S. Have Tested Positive For Zika

Friday, May 20, 2016

The women being monitored now include those who had positive lab tests but no symptoms, according to the CDC. Also affected are 122 women in U.S. territories, almost all in Puerto Rico.


How Do You Lift A Million Pounds Of Stainless Steel? Very Carefully

Friday, May 20, 2016

The U.S. is the proud owner of the world's largest deadweight machine, used to calibrate high-tech measurement devices. Repairing it recently was risky, using 50-year-old tools. No toes were smashed.


Look, Ma! No Mitochondria

Thursday, May 12, 2016

Scientists have found the first eukaryotic organism that functions fine without mitochondria, the "powerhouses" that make energy for the cells of yeast, humans and other animals.


NASA Spots 1,284 New Planets, Including 9 That Are 'Potentially Habitable'

Tuesday, May 10, 2016

Of the more than 1,200 planets in the latest trove turned up by NASA's Kepler Space Telescope, about half seem to be rocky, like Earth.