Nell Greenfieldboyce

Nell Greenfieldboyce appears in the following:

Scientists Probe How Coronavirus Might Travel Through The Air

Friday, April 03, 2020

Simply talking could produce tiny particles of mucus and saliva that might carry the coronavirus, experts say. How much these airborne particles matter for the spread of this disease is controversial.


WHO Reviews 'Current' Evidence On Coronavirus Transmission Through Air

Saturday, March 28, 2020

A scientific brief from the World Health Organization says "current evidence" points to infectious respiratory droplets passed in "close contact" situations, but some say it's too soon to be sure.


FACT CHECK: Testing Not Meeting Demand Despite Trump's Boasts

Thursday, March 26, 2020

President Trump said Thursday that the U.S. is doing "tremendous" testing. But the truth is the country still lags far behind what's needed.


As The Coronavirus Crisis Heats Up, Why Isn't America Hearing From The CDC?

Wednesday, March 25, 2020

Usually in health emergencies — HIV, vaping and more — the Centers for Disease Control and Prevention is key to shaping policy and explaining it. That's changing to America's detriment, leaders say.


Do You Get Immunity After Recovering From A Case Of Coronavirus?

Friday, March 20, 2020

The hope is that a person who has recovered from COVID-19 would have some protection against reinfection in the future. Here's what researchers do — and don't — know.


New Analysis Suggests Months Of Social Distancing May Be Needed To Stop Virus

Tuesday, March 17, 2020

Modelers of epidemics at Imperial College of London now say months of strict social distancing may be needed to prevent overwhelming the U.S. health care system with COVID-19 cases.


Why Even A Huge Medical Stockpile Will Be Of Limited Use Against COVID-19

Saturday, March 14, 2020

The U.S. has an $8 billion stockpile of emergency medical supplies that is the envy of the world. But the vast collection will be of only limited use in the fight against the new coronavirus.


Here's Who Faces The Greatest Risk Of Severe Illness From Coronavirus

Wednesday, March 04, 2020

The data from China offer insights into the way different age groups are affected after being infected.


How Computer Modeling Of COVID-19's Spread Could Help Fight The Virus

Wednesday, March 04, 2020

As the world watches the outbreak of a novel coronavirus, epidemiologists are watching simulations of that outbreak on their computers to try to predict what might happen next.


As Testing Quickly Ramps Up, Expect More U.S. Coronavirus Cases

Sunday, March 01, 2020

More labs will soon have the ability to test sick people for the novel coronavirus, and experts say they'll finally have more of a sense of how it's spreading through communities in the U.S.


Scientists ♥ Their Emojis, But It's Complicated

Wednesday, February 12, 2020

The latest batch of new emojis is coming soon and it contains some wins for science-lovers. But scientists have mixed feelings about some of the new images from nature.


A Moon Landing In 2024? NASA Says It'll Happen; Others Say: No Way

Friday, February 07, 2020

The Trump administration keeps repeating that the U.S. will return humans to the moon in 2024. That may be technically possible, but only if the money appears and if everything goes perfectly.


How Much Should The Public Be Told About Research Into Risky Viruses?

Tuesday, January 21, 2020

The U.S. government this week is pondering how much the public needs to know about funding decisions for studies and experiments that involve tinkering with already dangerous viruses.


Fetching With Wolves: What It Means That A Wolf Puppy Will Retrieve A Ball

Thursday, January 16, 2020

Some wolf puppies will unexpectedly play "fetch," researchers say, showing that an urge to retrieve a ball might be an ancient wolf trait and not a result of dog domestication.


Polly Share A Cracker? Parrots Can Practice Acts Of Kindness, Study Finds

Thursday, January 09, 2020

Researchers found that African grey parrots voluntarily helped a partner get a food reward by giving the other bird a valuable metal token that could be exchanged for a walnut.


A Knotty Problem Solved

Thursday, January 02, 2020

We know that some knots hold better than others, but the why of it hasn't been so clear. Special fibers that change color under strain are providing some answers.


India Announces Plans For Its First Human Space Mission

Wednesday, January 01, 2020

It hopes to become the fourth nation, after the United States, China and Russia, to send people into space. The mission is targeted for 2022.


Trapped Cars Faced New Holiday Travel Menace: #tumblegeddon

Wednesday, January 01, 2020

Tumbleweeds are common in the desert plateau of eastern Washington state. But a 12-foot high stack of them trapped cars for hours.


Encore: How Kids React To Beards And How It Changes With Age

Friday, December 27, 2019

A new study shows that young children have a negative reaction to beards, but that changes as they get older.


Why Certain Poor Shepherds In Nativity Scenes Have Huge, Misshapen Throats

Tuesday, December 24, 2019

In some historical Nativity scenes, the shepherds have grossly enlarged thyroid glands — also known today as goiter. It's an apparent symbol of their poverty and iodine-deficient diet.