This undated photo provided by Colossal Biosciences shows the embryo of a chick developing inside an artificial environment. (Colossal Biosciences via AP)

This undated photo provided by Colossal Biosciences shows an artificial environment that hatched a live chick. (Colossal Biosciences via AP)

This undated photo provided by Colossal Biosciences shows a chick hatched from an artificial environment. (Colossal Biosciences via AP)

In this photo provided by the Ukrainian Emergency Service, emergency services personnel work to extinguish a fire after a Russian air attack in Kramatorsk, Donetsk region, Ukraine, Tuesday, May 19, 2026. (Ukrainian Emergency Service via AP)

Russian President Vladimir Putin listens as Russian Strategic Missile Forces chief, Col. Gen. Sergei Karakayev reports to him on a successful test launch of the Sarmat intercontinental ballistic missile. at the Kremlin in Moscow, Tuesday, May 12, 2026. (Mikhail Metzel/Sputnik, Kremlin Pool Photo via AP)

In this image made from video provided by Russian Defense Ministry Press Service on Tuesday, May 12, 2026, Russia's new Sarmat intercontinental ballistic missile is test launched at an unspecified location in Russia. (Russian Defense Ministry Press Service via AP)

Japan's Prime Minister Sanae Takaichi, left, and South Kore's President Lee Jae Myung, third from right, hold their meeting in Andong, South Korea, Tuesday, May 19, 2026. (AP Photo/Ahn Young-joon, Pool)

Japan's Prime Minister Sanae Takaichi, third from right, is greeted upon arrival at the Daegu International Airport in Daegu, South Korea, Tuesday, May 19, 2026. (Yoon Kwan-shick/Yonhap via AP)