Remnants of ancient Greenland tundra were preserved in soil beneath the ice sheet.
Andrew Christ and Dorothy Peteet
This ancient ecosystem showed that the ice sheet had melted to the ground
in northern Greenland within the past million years.
Have you ever watched something because YouTube recommended it to you? You've probably been influenced by an algorithm. But at the end of the day, underneath all the algorithms are people.
Central Park, New York City, on Memorial Day weekend, May 24, 2020.
Ira L. Black/Corbis via Getty Images
Research that measures the public mood based on Twitter posts shows that it's currently at its lowest point in a decade. One exception: when people visit parks and green spaces.
Buddhist monks wear face masks outside the temple of the Emerald Buddha as they receive alms in Bangkok, Thailand,
AP Photo/ Gemunu Amarasinghe
Buddhist monks in Thailand continue to collect alms from households, despite the threat of the coronavirus. The reason: the practice is an important part of merit-making.
Aniel Arruebarenna, a team member from the Centro de Estudios Ambientales de Cienfuegos, prepares to collect flow measurements.
Joshua Brown/University of Vermont
Cuba's sustainable approach to farming has protected its rivers from the kind of nutrient pollution that impairs many US waterways.
Whale watching (here, off Húsavík, Iceland) may be better for the local economy than whale hunting.
Icelandic whalers have killed more than 1,700 whales since a global ban was adopted in 1986 – up to 2019, when no hunts took place. Is Iceland quietly getting out of the business?
Vaping has been linked to more than 40 deaths and 2,000 illnesses in the U.S.
Vaping continues to be in the news, with the CDC recently linking vitamin E acetate to the deaths and illnesses caused by vaping. But just what is vaping? And is it different from e-cigarettes?
Smoking is the number one cause of preventable death in the U.S., and most smokers say they want to quit.
Mel Evans/AP File Photo
Concerns about e-cigarettes are growing, with the AMA calling for a ban. With the Great American Smokeout on Nov. 21, it's worth asking: What do smokers think?
More schools are plopping students in front of computer screens for ‘personalized learning.’ What are the drawbacks?
Throughout the nation, parents and students are pushing back against personalized learning. An expert on the different ways that students learn explains what's behind all the fuss.
Steve Sierzega receives a measles, mumps and rubella vaccine at the Rockland County Health Department in Pomona, N.Y., Wednesday, March 27, 2019.
Seth Wenig/AP Photo
The growing number of cases of measles has many people asking: Am I safe? A vaccine expert provides some answers.
‘Game of Thrones’ has taught audiences to never get too attached to any one character.
The vast majority of stories told in movies, in books and on television conclude with happy endings – and this has real-world political consequences.
Aedes aegypti mosquitoes, responsible for transmitting Zika.
AP Photo/Felipe Dana
In January, measles returned to the Pacific Northwest, while Ebola resurged in the Congo. It would take a lot more research for scientists to be able to stop threats like these in their tracks.
Children are among the most vulnerable victims of any natural disaster. Some 645,000 young Puerto Ricans experienced the trauma of Hurricane Maria.
Hurricane Katrina hit New Orleans in 2005, forever changing the lives of the children who survived. Their stories can help Puerto Rico identify and aid the kids most traumatized by Hurricane Maria.
For many non-Muslims, the fast food carts that line the streets of New York City and San Francisco are their primary point of contact with halal foods.
The halal food sector largely relies on industrially produced meats and produce. But more and more Muslims are using the Quran to interpret halal to mean food that's wholesome and humanely raised.
Vermont has had food labels that indicate food has been ‘partially produced with genetic engineering.’
Sally McCay, UVM Photo
Vermonters' views on labels for genetically engineered foods shed light on consumers' views, as the federal government considers mandatory labels.
A file photo from 2013 shows a woman smoking a cigarette.
Dave Martin/AP Photo
Cigarette smoking kills about 480,000 Americans annually and costs nearly US$170 billion in health care each year. Is it time we considered financial incentives to help people quit?
Women are making inroads in the solar industry, but still represent only about 25 percent of the U.S. solar work force.
Women are underrepresented in the energy sector at a time of rapid change and demand for new talent. Hiring more women could make energy companies more innovative and speed the shift to clean fuels.
Protesters in California against GM foods and agro-chemicals.
Lawmakers reach a deal on national labeling rules for foods that contain GMOs, but if passed, it won't give consumers what research has shown consumers want.
We need a global target for reducing emissions in agriculture to meet the Paris Agreement. Farmers have an opportunity to help meet the 2 degree C target in the Paris Agreement, but known practices will not be enough.
To meet global climate change targets, agriculture needs an array of innovations and money to get farmers around the world to adopt new practices.
Can social media help students learn?
Researchers got 128 students at a middle school to use Twitter to further their science learning. And what happened? These students learned how to connect science to real life.