New research shows a big part of the woolly mammoth's diet was made up of tiny flowers rather than grass. When the flowers disappeared, the mammoths did, too.
As New Year's celebrations in China grow increasingly commercialized, many city dwellers are seeking a return to tradition. Some head to an ancient town outside Beijing where poor but ingenious blacksmiths created their own fireworks. But even centuries-old customs aren't immune to change.
Because of an influx of trains hauling crude oil and other freight across the Northern Plains, Amtrak is facing problems with unreliability, long delays, lost revenue and stranded passengers. An advocacy group wants the government to intervene.
The man says he was one of 17 kidnapped by a cartel and forced to build drug-smuggling tunnels. Now he might be in prison for the rest of his life.
In a warming world, extreme droughts are predicted to become more common. Amid the historic drought gripping California and much of the West Coast, scientists are studying how states can manage with a lot less water in the future.
A broken stormwater pipe in North Carolina has sent the waste into the Dan River, which flows through Virginia and out into the Atlantic. Officials say the drinking water is safe, but environmental questions linger.
There's plenty of snow for the Olympics. A massive, fully automatic snow-making system operated by a Michigan-based company comes complete with two man-made lakes to draw water from. The company says the snow that's been pumped so far could cover more than 900 football fields.
Bureaucracy and mammoth student loans weren't part of the package for Dr. Michael Sawyer's father and grandfather. Still, like them, he feels medicine is a calling. A fourth generation of Sawyers is thinking about whether to carry on the tradition.
Vladimir Putin's Olympics remind commentator Frank Deford of prescription medicine ads — the kind with the short list of benefits and long disclaimer.
China officially shut down its re-education through labor camp system late last year. But critics say the change was mostly cosmetic and that the government still has a wide range of means to incarcerate critics without legal process.