Dale Willman

Only 84 of them have been identified.

Stocks closed mixed on Wall Street Friday.

The S&P 500 edged up slightly by more than one-tenth of a percent, while the Nasdaq dropped two-tenths of a percent on the day.

The Dow Jones Industrials, meanwhile, was up by 0.16 percent.

The week, though, was down across the board.

It was the first weekly loss in the past month.

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Russian citizens will no longer be able to get visas that allow them multiple entries to the European Union.

Terry Schultz reports that the action was taken despite criticism from human rights activists in Russia.

A reduction in air traffic control staffing led to the cancellation of more than 1,000 flights across the U.S.

on Friday, and more canceled flights are expected in the coming days.

But so far, officials say the problems are much less than anticipated.

The ongoing government shutdown is being blamed for the problem.

Air traffic controllers are not being paid during the shutdown, which has caused a spike in sick time among employees.

Scientist James Watson has died.

He shared a Nobel Prize in 1962 for helping discover the double helix shape of the DNA molecule.

He was 97 years old.

Watson also helped guide efforts to map the human genome, but he was later condemned for racist remarks.

I'm Dale Willman, NPR News.

Live from NPR News, I'm Dale Willman.