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Will AI in health care create a two-tiered system in which poorer people will be seen by a computer instead of a doctor? That's one concern about the burgeoning technology.

Last year, China drastically cut back its imports of plastic waste to recycle. Now the U.S. and other wealthy nations must figure out what to do with their discards.

Many U.S. chefs and retailers prefer intact fillets that constitute a single portion. That demand is driving overfishing for young fish that haven't reproduced. A new campaign aims to change that.

Mueller is not recommending any more indictments, a senior Justice Department official said. Members of Congress in both parties are calling for the report to be released.

New Mexico lawmakers passed a bill this week mandating state utilities use 100 percent renewable energy by 2045. Meanwhile, oil production in the southeast corner of the state is breaking records.

Ecologist Rob Dunn's new book describes the tiny life forms, helpful and risky, that live in different parts of the home, including on floors and in water faucets, basements and heating systems.

Dozens of Democrats are preparing to run for president in 2020. Advisers to some say that the Thanksgiving holiday next week begins a short window for potential candidates to make decisions.

Onetime targets of Brazil's dictatorship are worried that a candidate who openly admires the past military regime is expected to win Sunday's presidential election.

The leadership of key committees, including those on intelligence, the judiciary and oversight, might flip from Trump-friendly Republicans to Democrats less sympathetic to the president.

There are six separate steps in the video from Democratic Republic of the Congo — and that's not counting "abundantly" wetting your hands and lathering up.