Experiments with small clusters of networked brain cells are helping scientists see how real brains develop normally, and what goes awry when cells have trouble making connections.
(Image credit: Courtesy of Pasca lab/Stanford University)
The World Trade Organization deems U.S. labeling rules for dolphin-safe tuna are unfairly restrictive to Mexico. It says Mexico may seek $163 million annually from the U.S. in retaliatory measures.
(Image credit: Chris Park/AP)
This week 25 years ago, policemen were acquitted in the savage beating of African-American Rodney King. Five days of riots, arson and looting ensued, fueled by deep-rooted tensions that persist today.
(Image credit: Ron Eisenbeg/Michael Ochs Archives/Getty Images)
Until now, the earliest signs of humans in the Americas dated back about 15,000 years. But new research puts people in California 130,000 years ago. Experts are wondering whether to believe it.
(Image credit: Tom Démeré/San Diego Natural History Museum)
"I believe that we have to look at North Korea as if Kim Jong Un will do what he says," says Adm. Harry Harris, commander of the U.S. Pacific Command.
(Image credit: Lee Jin-man/AP)
During more than four decades behind the camera, the Oscar-winning filmmaker forged a wide-ranging career — from documentaries to horror. He died Wednesday from complications of esophageal cancer.
(Image credit: Cindy Ord/Getty Images)
"Shields Up!" the Cassini craft's Twitter feed announced Wednesday. If all goes well, new images of the ringed planet will reach Earth early Thursday.
(Image credit: NASA/JPL-Caltech)
Appliance makers and home builders are in Washington, D.C., to celebrate the energy efficiency program. Energy Star is among 50 EPA programs that would be eliminated under the president's budget plan.
(Image credit: Paul Sakuma/AP)
The not-yet-named carrier is the second in China's arsenal. It took less than four years to build.
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Six years ago, China held 22 marathons; this year, more than 400 are scheduled. But it's long-distance running with Chinese characteristics, and some twists including cigarettes and fruity soap.
(Image credit: Rob Schmitz/NPR)
Long before it became a "superfood" in the U.S., schisandra was made into soups and jams and prized as a medicinal plant. Now the berry is at the center of a dramatic new approach to conservation.
(Image credit: Courtesy of Josef Brinckmann)
The White House is issuing tax-plan guidelines today. It's not likely to get taken up soon, but Trump's Treasury secretary is pledging to move quickly — and to achieve 3 percent growth.
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Researchers tested more than 3,000 people at Munich's Oktoberfest beer festival. They found getting drunk was associated with abnormal heart rhythms.
(Image credit: Dan Herrick/Lonely Planet Images/Getty Images)
Portugal's economy has rebounded dramatically since its European Union bailout in 2011. Wages are up and unemployment down. What's surprising is that this happened only as austerity was canceled.
(Image credit: Armando Franca/AP)
The phrase didn't originate with the Trump campaign. Advocates of tougher laws on political money and lobbying have used it for years.
(Image credit: Eduardo Munoz Alvarez/Getty Images)
Scientists recently tracked eight baby whales using special sound and movement recorders. The sounds the babies made turned out to be far different from the eerie songs of adult male humpbacks.
(Image credit: Fredrik Christiansen/Functional Ecology)
Prosecutors say Terrill Thomas, 38, had been left alone in his county jail cell for seven days without water. The medical examiner's office says he died of "profound dehydration" in the 2016 incident.
Arguments before the Supreme Court Tuesday morning were interrupted by a ringing cellphone. Amused colleagues watched as Justice Stephen Breyer reacted quickly to turn off the device.
(Image credit: Steven Senne/AP)
Wildlife authorities say DNA identifying the predator was found in the home, mixed with blood from the pet. The cat entered through an open door and snatched the dog from the foot of the owner's bed.
(Image credit: AP)
Raj Panjabi must use the award "to solve a timely, pressing problem." Here's what he plans to do.
(Image credit: Last Mile Health)