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COVID-19 can cause symptoms that go well beyond the lungs, from strokes to organ failure. To explain these widespread injuries, researchers are studying how the virus affects the vascular system.

Neighborhoods around a Louisiana chemical plant have the highest cancer risk in the U.S. Residents felt powerless, until the Environmental Protection Agency released data on what they were breathing.

Until the middle of last year, most cryptocurrency mining took place in China. Then authorities pulled the plug. So Chinese bitcoin miners began moving their gear to U.S. towns like Kearney, Nebraska.

Ten years after a housing collapse during the Great Recession, home values have rebounded but there are too few homes on the market. Buyers face intense competition, and that means higher prices.

Led by their eldest sibling, who is 13, they managed to find food and shelter. All four, including a year-old baby, stayed safe until Colombian special forces and Indigenous guides rescued them.

There is a man who is a thorn in the side of Facebook, a problem that just won't go away. For years he was cast aside as a lowly spammer. Now he's re-emerging as a champion of your rights online.

Iranian American scholar Pardis Mahdavi was once arrested in Tehran for lecturing about Iran's sexual revolution. She wonders if the country's current wave of protests might result in regime change.

One of the under-covered stories of 2016 was Minnesota. It stayed blue, but barely. Trump was closer there than any Republican in 32 years, and it could indicate a reshaping of the political map.

World leaders, climate experts and oil company executives converge on Dubai later this week to talk about climate change at the United Nations COP28 meeting. Here's what you need to know.

Tom Smothers was the co-host of one of the most socially conscious and groundbreaking television shows in the history of the medium.