Scotch pines on a Christmas tree farm in northern Michigan.
Both natural and artificial Christmas trees have environmental impacts, but they're not major. What matters most is what happens to the trees after the holidays.
Researchers have identified 3,000 radioactive isotopes – and predict 4,000 more are out there.
Alongside their famous dangers, radioactive materials have many beneficial uses. With as many more predicted as have already been discovered, nuclear physicists are searching for more isotopes.
What can an algorithm find when it reads a book?
Some AI technologies aren't advanced enough to provide useful insights, but simpler tools can yield new opportunities to explore the humanities.
In recent years, Detroit has demolished thousands of abandoned homes annually.
AP Photo/Carlos Osorio
By the time a building is abandoned and falls into disrepair, its community is already suffering. Michigan scholars suggest it's time to plan for structures' end of life before they even go up.
Journalists who cover illegal operations like logging at this site in northern Sagaing division, Myanmar, can face threats and violence.
AP Photo/Gemunu Amarasinghe
Reporters who cover environment and natural resource issues are commonly threatened and harassed around the world. Some have been killed for coverage that threatens powerful interests.
For decades, native-born American Jews changed their names to improve their job prospects.
The demographics of name change petitioners today – and the reasons that they give – tell a complicated story of race, class and culture.
Concentración organizada por HIAS, un grupo judío que apoya a los refugiados, en el exterior de la Casa Blanca.
La idea de acoger a los extranjeros es fundamental para el cristianismo, el judaísmo y el islam. Hoy día, eso genera la responsabilidad de proteger a los refugiados de la violencia y la opresión.
Rally organized by HIAS, a Jewish group that supports refugees, outside the White House.
The idea of welcoming the stranger is central to Christianity, Judaism and Islam. Today, that engenders a responsibility to shield refugees and other immigrants from violence and oppression.
There’s a bridge over this Michigan waterway and a precarious pipeline beneath it.
AP Photo/Al Goldis
A big spill in Michigan's Straits of Mackinac could have devastating consequences. But does replacing the pipeline running beneath it make sense in a warming world?
Evolution is not just for living beings.
Artificial intelligence research owes a lot to biology and chemistry.
President Donald Trump shows a chart highlighting arms sales to Saudi Arabia.
AP Photo/Evan Vucci
A missing Saudi journalist has put Trump's 'America First' rhetoric to the test.
Releasing a female wolf on Isle Royale, Oct. 2, 2018.
The National Park Service is moving wolves to Isle Royale in Lake Superior to replenish a small pack on the island. Wolves prey on moose, which are overgrazing the island. It doesn't hurt that they are charismatic.
A herd of Masai giraffe towering over zebras in Ruaha National Park, Tanzania.
Provided by author
The number of giraffes in Africa has dropped by 40% over the past 30 years, but the reasons for this remain largely unknown.
Rob Rosenstein suggested invoking the 25th Amendment to remove Trump from power in Spring 2017, according to the New York Times.
The US Constitution allows the president to be removed from power if his vice president and Cabinet decide that he cannot discharge the duties of his office.
Interested in a juicy burger grown in the lab?
Cultured meat comes from cells in a lab, not muscles in an animal. While regulatory and technological aspects are being worked out, less is known about whether people are up for eating this stuff.
Facebook CEO Mark Zuckerberg prepares to testify on Capitol Hill.
AP Photo/Andrew Harnik
The strengths of social media are also its weaknesses. Facebook must acknowledge that it has transformed from a startup company into a powerful social force.
Food packaging is one of the top uses for plastic in consumer goods.
Bio-based plastics made from natural sources break down more easily than conventional plastic, without producing toxic byproducts. But for this to happen they have to be composted, not buried in landfills.
Protesters on the University of Cincinnati campus.
AP Photo/John Minchillo
Does it make sense to compare the percentage of black Americans shot by police to the percentage of black Americans in the population? A new analysis suggests a different way of looking at the data.
Purse seiner fishing in the Indian Ocean. Footprint estimates do not assess how sustainably resources such as fisheries are managed.
August 1, 2018 is 'Earth Overshoot Day,' a date coined by the nonprofit Global Footprint Network to publicize overuse of Earth's resources. But their estimates actually understate the problem.
In this file photo taken on on Oct. 4, 1987, a Soviet army officer presents ammunition rigged with chemical agents during a visit by Western diplomats and journalists to a chemical weapons research facility in Shikhany, Saratov region, Russia. The facility in Shikhany led the efforts to develop Soviet chemical weapons, including Novichok-class nerve agents.
John Thor Dahlburg/ AP Photo
Novichok are a set of molecules that are some of the most deadly nerve agents ever developed. They are almost impossible to detect and clean up.