Janine Herbst

And they're using a simple technique, Japanese rice paper dipped in distilled water and then applied to the fresco to remove the film.

That film, though, comes from the many visitors to the Vatican Museums, around 25,000 a day, who emit particles and create ambient humidity that reacts with the fresco.

I'm Janine Hurst, NPR News in Washington.

Live from NPR News in Washington, I'm Janine Herbst.

President Trump says Iran's supreme leader is dead, though Iran hasn't confirmed that.

Meanwhile, the U.N.

Security Council met today in an emergency session over the U.S.

and Israeli military strikes on Iran.

NPR's Michelle Kellerman has more.

Lawmakers are pushing for a vote to block further military action in Iran without the consent of Congress.

Scott Macione from member station WYPR has more.

Lebanon's militant group Hezbollah is condemning the strikes, but it hasn't launched any attacks.

NPR's Jawad Rizkallah reports many Lebanese worry the fighting could again engulf their country.

You're listening to NPR News from Washington.

President Trump is ordering the U.S.

government to cut ties with AI maker Anthropic and stop using its products.

Defense Secretary Pete Hegseth designated the company a supply chain risk.

This after Anthropic said it wanted assurances that the military would not use its AI for fully autonomous weapons or for domestic surveillance.

Anthropic says it will challenge the supply chain risk designation in court.

Meanwhile, hours later, OpenAI said it reached an agreement with the Pentagon.