Nell Greenfieldboyce

Nell Greenfieldboyce appears in the following:

A Judge's Guidance Makes Jurors Suspicious Of Any Eyewitness

Tuesday, January 26, 2016

A 2012 New Jersey law was meant to help juries discern factors that make eyewitness testimony strong versus weak. But research suggests a judge's instructions make jurors discount all such testimony.


Scientists Find Hints Of A Giant, Hidden Planet In Our Solar System

Wednesday, January 20, 2016

Something very big, out beyond Neptune, is warping the orbits of small, icy objects circling our sun. Astronomers haven't seen it yet, but say the culprit could be a planet with 10 times Earth's mass.


Record-Busting Star Explosion Baffles Sky Watchers

Thursday, January 14, 2016

It's 200 times more powerful than a typical supernova and 570 billion times brighter than our sun. First spotted in June, this stellar monster is wowing astronomers, who wonder what's at its heart.


Debate Over Bird Flu Research Moratorium Flares Up Again

Thursday, January 07, 2016

Scientists are convening to debate whether experiments that make some viruses more contagious in order to advance understanding of potential outbreaks are worth the risk of creating one.


Tree Counter Is Astonished By How Many Trees There Are

Saturday, December 26, 2015

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Scientists See U.N. Climate Accord As A Good Start, But Just A Start

Tuesday, December 15, 2015

Many analyzing the deal hammered out in Paris say it's way better than no plan at all. But proof, they warn, will be in the execution of efforts to cap global temperature rise at 2 degrees C or less.


Is This Congressman's 'Oversight' An Effort To Hobble Climate Science?

Monday, December 07, 2015

Rep. Lamar Smith of Texas is formally investigating a recent study on global warming. Smith calls the timing of the study's publication "suspicious," but many scientists call his tactics "bullying."


Big Data Predicts Centuries Of Harm If Climate Warming Goes Unchecked

Monday, November 30, 2015

It took about 30 teams of scientists worldwide, using supercomputers to churn through mountains of data, to see patterns aligning of what will happen decades and centuries from now.


10 Things To Know About The U.N. Climate Talks In Paris

Monday, November 30, 2015

Leaders from around the world are converging on Paris for the 2015 U.N. Climate Change Conference. The two-week event is designed to allow countries the chance to come to an agreement on stifling climate change.

Below are 10 questions and answers that should better prepare you for the conference and ...


Why Is It So Hard To Save Gulf Of Maine Cod? They're In Hot Water

Thursday, October 29, 2015

In the past decade, the Gulf of Maine warmed faster than 99.9 percent of the global ocean. The rapid warming explains why recent fishing policies failed to rebuild the cod population, a study finds.


How U.N. Climate Negotiations Are Like Splitting A Bar Tab

Wednesday, October 21, 2015

Nearly 200 countries have delegates in Bonn, Germany, this week, trying to figure out how to fight global warming. They're at a difficult point — what the nations have pledged so far isn't enough.


Hunter-Gatherers Don't Get More Sleep Than We Do, Study Finds

Thursday, October 15, 2015

A new study shows people living in hunter-gatherer societies don't get any more sleep than people in the more modern world, despite living without TVs, computers, cell phones and other electronic distractions.


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

Cellphone records could help epidemiologists predict which cities and towns might be hit next by dengue, the most rapidly spreading mosquito-borne disease in the world.

That's because cellphone records let scientists track how people actually move around, says Amy Wesolowski, a researcher who models epidemics at the Harvard ...


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.