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New Orleans rapper Juvenile's appearance at this year's Jazz and Heritage Festival was poignant. His own home was destroyed by Katrina. His recent lyrics focus on the city's problems.

The immediate impact of the cargo decline affects virtually every business around the ports, but port officials say this downturn will soon be felt much more broadly.

Biden and Trump will hold their first presidential debate tonight. Scientists think understanding how the brain removes waste and toxins may help treat a broad range of disorders.

COVID-19 vaccines appear to work against the new coronavirus strains, though scientists are warily watching a variant first seen in South Africa. Vaccines may need updates to keep pace with the virus.

To block a variant this transmissible, scientists say you need an N95 or other high-filtration mask. Here's how to find a good one and when to wear it.

President Trump indicated he might be tested after a Brazilian official he had contact with was diagnosed with the virus. But Dr. Sean Conley says Trump has no symptoms, so testing "is not indicated."

Poland said Wednesday that it and its NATO allies had shot down Russian drones that violated Polish airspace in what it called an "act of aggression" as Russia launched aerial attacks on Ukraine.

"People have lost everything," says FEMA administrator Deanne Criswell. More than 24,000 have already applied for assistance from FEMA, but Criswell says that number is certain to rise.

So far, South Korea has helped Ukraine by providing arms to the U.S. and other countries. But South Korea's government said that could change with North Korean troops deploying for Russia.

Mail theft can happen around the holidays, but sometimes, instead of getting a new iPad, the thief swipes a mail order medicine. Here's what to do about it.