Nell Greenfieldboyce

Nell Greenfieldboyce appears in the following:

What's At The Edge Of A Cloud?

Friday, October 02, 2015

Scientists soared through clouds with a new instrument that takes 3-D pictures of the edge. What they learned about the size and density of droplets surprised them and might lead to better forecasts.


Caffeine At Night Resets Your Inner Clock

Wednesday, September 16, 2015

Late-night coffee, tea or cola does more than keep you up, scientists say. The amount of caffeine in a double espresso can delay the internal clock in cells throughout your body by about 40 minutes.


What Would Happen If We Burned Up All Of Earth's Fossil Fuels?

Friday, September 11, 2015

Scientists used an estimate of how much fossil fuel is left in the ground to do computer simulations and come up with a worst-case scenario.


South African Cave Yields Strange Bones Of Early Human-Like Species

Thursday, September 10, 2015

Deep inside a rocky chamber, reached by a narrow crevice, researchers found more than 1,500 fossilized bones of what may be the gravesite of a creature never before identified by science.


Cellphone Records Could Help Predict Dengue Outbreak

Tuesday, September 08, 2015

A team of researchers recently found that mobility patterns revealed by cellphone data let them accurately model the spread of a large dengue outbreak in two regions of Pakistan in 2013.


Tree Counter Is Astonished By How Many Trees There Are

Wednesday, September 02, 2015

Earth is home to more than 3 trillion trees, a new map of forest density shows. That's more than anyone realized. But the total is also down about 46 percent since the first humans arrived.


How Are U.N. Climate Talks Like A Middle School? Cliques Rule

Monday, August 31, 2015

Tiny island nations, Latin American developing countries and even non-joiners like Switzerland have all found more power and influence in climate negotiations after forming or joining a group.


Froggy Went A-Courtin', But Lady Frogs Chose Second-Best Guy Instead

Thursday, August 27, 2015

Given two choices of attractive mates, female frogs pick the top vocalist. But add a third, inferior male to the mix, and females go for No. 2. The "decoy effect" shapes some human choices, too.


How Dorothy Parker's Ashes Ended Up In Baltimore

Wednesday, August 19, 2015

Dorothy Parker considered New York City her beloved hometown, but Parker's ashes can be found in Baltimore. Where were they before that? (This piece initially aired June 7, 2012 on Morning Edition.)


Drones Increase Heart Rates Of Wild Bears. Too Much Stress?

Thursday, August 13, 2015

Scientists studying animals in their natural habitats can now just send in a drone with a camera, rather than trudging through rough terrain. But a new study finds that the drones don't go unnoticed.


Octopus Genome Offers Insights Into One Of Ocean's Cleverest Oddballs

Wednesday, August 12, 2015

Octopuses are cool. They can regrow lost arms, change the color of their skin, and are surprisingly smart. Scientists who sequenced the first octopus genome say it's nearly as big as a person's.


Astronomers Present New Research On The Aging Universe

Monday, August 10, 2015

An international team of astronomers has measured the energy produced within a large portion of space more precisely than ever before, and their work shows how the universe is slowly dying.


Eye Shapes Of The Animal World Hint At Differences In Our Lifestyles

Friday, August 07, 2015

Tigers have round pupils, but domestic cats have vertical slits in the center of their eyes. What gives? A census of the shapes of animals' pupils suggests size and way of life each play a big role.


Heavy Loads Of Pollen May Shift Flight Plans Of The Bumblebee

Monday, August 03, 2015

Foraging bumblebees can pick up nearly half their weight in pollen before heading home to the hive, research shows. All that weight tucked into hollows on their hind legs can complicate flying.


How 3-D Printing Helps Scientists Understand Bird Behavior

Thursday, July 30, 2015

Scientists who study bird behavior have made fake eggs to put in nests to see how birds react. This handicraft is going high-tech. (This piece first aired on May 26, 2015, on All Things Considered.)


Scientists Discover One Of The Oldest Horned Dinosaurs

Wednesday, July 08, 2015

The "new" dinosaur โ€” named Wendiceratops pinhornensis โ€” lived about 79 million years ago and helps scientists understand the early evolution of the family that includes Triceratops.


Checking DNA Against Elephants Hints At How Mammoths Got Woolly

Thursday, July 02, 2015

A clump of a mammoth's fur bought on eBay led scientists to a long list of ways the extinct species was special. One specific gene likely played a role in helping mammoths thrive in icy weather.


U.N. Brokers Global Effort To Rein In Greenhouse Gas Emissions

Tuesday, June 30, 2015

Speeches by high-level representatives were an attempt to keep momentum going as the world moves toward a key summit in Paris this year, which may produce an agreement to control greenhouse gases.


U.N. Holds Climate Talks In New York Ahead Of Paris Meeting

Monday, June 29, 2015

The United Nations is having a high-level climate meeting ahead of the end-of-year meeting in Paris that will hopefully result in a major new agreement to rein in greenhouse gases.


Study Reveals What Happens During A 'Glacial Earthquake'

Thursday, June 25, 2015

Scientists have figured out how massive chunks of ice trigger these seismically detectable events when they break off a glacier. The findings could help researchers track ice loss from glaciers.