Nell Greenfieldboyce

Nell Greenfieldboyce appears in the following:

Love Giant Insects? Meet The Tree Lobster, Back From The Brink

Thursday, February 11, 2016

The 8-inch insect nearly went extinct when hungry rats overran its island. But Melbourne scientists found a few in 2001 and started a thriving colony. Now the San Diego Zoo is hatching them, too.


Virus Profilers Race To Figure Out What Makes Zika Tick

Tuesday, February 09, 2016

Though Zika was discovered in 1947, few scientists since had studied the virus. Now, while some check its genes, others turn to placental cells for clues to any link between Zika and birth defects.


Boosting Life Span By Clearing Out Cellular Clutter

Wednesday, February 03, 2016

So-called senescent cells no longer divide, but they secrete a mixture of chemicals that can trigger inflammation, which is involved in many age-related disorders. What if the cells were removed?


Track Jupiter's Path Like An Ancient Babylonian

Thursday, January 28, 2016

Clay tablets show that Babylonian astronomers tracked planets using a method that was thought to be invented 1,400 years later. In a way, scientists say, the ancient techniques were "very modern."


Shifting Colors Of An Octopus May Hint At A Rich, Nasty Social Life

Thursday, January 28, 2016

When the gloomy octopus of Australia turns dark and towers threateningly over his neighbor, he's likely signaling aggression, scientists now say. Neighbors get the message โ€” they turn pale and flee.


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

How many trees are there in the world? Some scientists are working on a new estimate.


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. Listen to our special coverage to find out what you should know and what's at stake.


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 โ€” 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.