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.
Antibiotic-resistant bacteria inside a biofilm.
Triclosan, an ingredient in soap and many household cleansers, has gained a bad reputation. A recent study looking for a way to boost an antibiotic, however, found that tricloscan did a great job.
La policía antidisturbios realiza un simulacro en las afueras del nuevo estadio de fútbol de San Petersburgo antes de la Copa Mundial de Fútbol de 2018 en Rusia.
AP Photo/Dmitri Lovetsky
Después de una serie de debacles, muchas áreas metropolitanas ya no quieren que sus líderes compitan por estas oportunidades.
Guitarist David Hinds at Reggae on the Rocks in Denver, Colorado.
Photo by Rick Scuteri/Invision/AP
Reggae is the musical expression of Rastafari, a belief system of migrants to Jamaica. A popular song, 'Rivers of Babylon,' offers a window into their spirituality and longing for their homeland.
Gun safety advocates hold signs during a rally to honor victims of gun violence on the steps of the Colorado State Capitol in Denver, 2013.
After mass killings, politicians feel compelled to offer solutions to gun violence. One of the most common answers is better access to mental health care, but research has found that's not effective.
Pigs and humans have a lot in common, particularly their digestive tracts.
Stress makes people tired and irritable, but its dangers to the body do not stop there. Chemicals that were meant to work under an immediate threat harm organs in the body and can elevate blood pressure.
So long Roseanne?
Incidents that may have been mere hiccups a few years ago can go viral in an instant today. ABC seems to have learned from the mistakes of others.
Peer rejection is common among school shooters, but does that explain their actions?
While many school shooters suffered peer rejection of some sort, research doesn't support the idea that peer rejection is the culprit behind shootings, a scholar argues.
Wild bumble bees provide natural pollination for blueberries in North America.
Honeybees receive a lot of attention, but the first North American bee to be listed as an endangered species is a wild bumble bee. Wild bees are vital pollinators, and some are declining rapidly.