A red fox listening for prey under the snow in Yellowstone National Park. Noise can affect foxes and other animals that rely on their hearing when they hunt.
A recent study finds that noise from human activities is intruding into many parks and other protected areas. Creating quiet zones and noise corridors can help reduce impacts from noise pollution.
People currently speak 7,000 languages around the globe.
There's little research into origins of the geographic patterns of language diversity. A new model exploring processes that shaped Australia's language diversity provides a template for investigators.
Lake Powell, photographed April 12, 2017. The white ‘bathtub ring’ at the cliff base indicates how much higher the lake reached at its peak, nearly 100 feet above the current level.
The Colorado River supplies water to millions of people and irrigates thousands of miles of farmland. New research warns that climate change is likely to magnify droughts in the Colorado Basin.
A student in Cape Coast solves a math problem.
By embracing a style beyond the typical classroom lecture, math education can serve all of our students better.
Most students graduate with a ton of debt, which makes it harder to save for a home or retirement.
More than half of American families aren't able to save a dime to cover the cost of college, and the 529 college savings plan has done almost nothing to change that.
Hurricane Matthew approaching the east coast of Florida on Oct. 6, 2016.
Two atmospheric scientists explain how they weigh evidence such as ocean temperatures, wind speeds and other climate patterns to predict how many Atlantic hurricanes are likely to form this year.
Protesters holding a candlelight vigil at Yale President Salovey’s home.
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Graduate students are on hunger strike, demanding that Yale negotiate with their newly elected union. But Trump appointees could change the landscape of collective bargaining for everyone.
Students and striking workers occupy the projection hall of the Cannes Film Festival Palace to prevent showing of films in 1968.
AP Photo/Raoul Fornezza
At a festival intertwined with France's national identity, the tension of art, politics and commerce always looms.
Providing more support for families with children is a key way to grow the middle class.
Kristen Wyatt/AP Photo
Trump should drop his plans to cut taxes and instead look to some of our closest friends to learn what policies actually work to build and sustain a vibrant middle class.
A study of how the Young African Leaders Initiative handles its business exposes typical weaknesses, mainly lack of understanding local context, suffered by many foreign aid programmes.
Syrian Christians and Muslims offer prayers for nuns held by rebels, at the Greek Orthodox Mariamiya Church in Damascus, Syria, in 2013.
For many centuries, Syrian society has included people of many faiths – Sunni and Shi'i Muslims, Christians and Druze. This past is important to know to understand the present.
A sea otter floats in Kachemak Bay, Alaska.
AP Photo/Laura Rauch
Sea otters had been absent from this Alaskan national park for at least 250 years. By marrying math and statistics, scientists map this animal's successful comeback.
Solar panels power a buried electrolytic barrier removing contaminants from groundwater.
Thomas Sale, CSU
Standard methods for removing chemicals from groundwater can be slow and expensive. Now scientists are using electricity to break down long-lived, toxic chemicals called PFASs faster and at less cost.
Alamosa Photovoltaic Plan, south-central Colorado.
Former Colorado Gov. Bill Ritter, now leading a clean energy research center at Colorado State University, explains why clean energy will keep growing despite President Trump's focus on fossil fuel.
The divide is in the data.
American Community Survey (ACS) 2011-2015 5 year estimates, Table S1810
More and more people are talking about the 'rural-urban divide,' but what does that phrase actually mean? We asked experts from around the country to illustrate the gap in graphs and maps.
Maintenance work on Lock and Dam 8 on the Mississippi River near Genoa, Wisconsin.
Patrick Moes, USACE/Flickr
Old and degraded infrastructure costs the United States money and puts lives at risk. A civil engineer describes some innovative ways to measure risks and prioritize repairs.
There are lemons in the stock market too.
Rich Kareckas/AP Photo
As the New York Stock Exchange marks 200 years since its official formation, investors are wondering whether the surging stock market is a 'Trump bump' or more like a lemon.
Prairie potholes in South Dakota are important breeding and feeding areas for many types of birds. Under the Clean Water Rule, farmers cannot fill them in or discharge pollutants into them without a permit.
Laura Hubers, USFWS/Flickr
President Trump signed an executive order to roll back the 2015 Clean Water Rule. Two water experts explain why the rule alarms farmers and ranchers concerned about over-regulation.
Low-wage workers were strong opponents of Puzder’s nomination.
The purpose of the Labor Department is to advocate on behalf of workers. As such, it deserves a qualified leader of competence and commitment.
Well hello, Dolly.
Photo courtesy of The Roslin Institute, The University of Edinburgh.
In 1997, scientists announced they'd created a healthy sheep cloned from another ewe's mammary gland cell. Two decades on, the technique is being refined and applied to new challenges.