Scientist Tomasz Sulej, from the Institute of Paleobiology at the Polish Academy of Sciences, inspects the skeleton of a mastodonsaurus, a huge amphibian that walked the Earth 240 million years ago, at the Copernicus Science Center in Warsaw, Poland, Tuesday, July 21, 2026. (AP Photo/Claudia Ciobanu)

Under the watchful eye of scientists, volunteers clean the skeleton of a mastodonsaurus, a huge amphibian that walked the Earth 240 million years ago, at the Copernicus Science Center in Warsaw, Poland, Tuesday, July 21, 2026. (AP Photo/Claudia Ciobanu)

Under the watchful eye of scientists, volunteers clean the skeleton of a mastodonsaurus, a huge amphibian that walked the Earth 240 million years ago, at the Copernicus Science Center in Warsaw, Poland, Tuesday, July 21, 2026. (AP Photo/Claudia Ciobanu)

President Donald Trump gestures while meeting with Lebanese President Joseph Aoun in the Oval Office at the White House, Tuesday, July 21, 2026, in Washington. (AP Photo/Mark Schiefelbein)

Israeli Prime Minister Benjamin Netanyahu speaks at the state memorial for Ze'ev Jabotinsky, at Mount Herzl Military Cemetery in Jerusalem, Tuesday, July 14, 2026. (AP Photo/Ohad Zwigenberg)

New York Mayor Zohran Mamdani delivers a speech to mark the 250th anniversary of the United States at City Hall on Friday July 3, 2026 in New York. (Anna Connors/The New York Times via AP, Pool)

Speaker of the House Mike Johnson, R-La., and GOP leaders meet with reporters as he tries to advance a spending package for the Iran war, farm aid and President Donald Trump's push for strict new voter ID requirements, at the Capitol in Washington, Tuesday, July 21, 2026. (AP Photo/J. Scott Applewhite)

Speaker of the House Mike Johnson, R-La., and GOP leaders depart after meeting with reporters as he tries to advance a spending package for the Iran war, farm aid and President Donald Trump's push for strict new voter ID requirements, at the Capitol in Washington, Tuesday, July 21, 2026. (AP Photo/J. Scott Applewhite)