A helicopter flies over the Guadalupe River as floods pass through the area on Thursday, July 16, 2026, in Kerrville, Texas. (AP Photo/Joel Angel Juarez)

Flooding blocks off G Street along the Guadalupe River on Thursday, July 16, 2026, in Kerrville, Texas. (AP Photo/Joel Angel Juarez)

These brain scan images provided by Biogen show how high levels of Alzheimer's-related tau protein, in red, dropped in a recipient of the company's experimental drug diranersen. (Biogen via AP)

This undated photo provided by Sotheby's on Tuesday, July 14, 2026, shows "Gus," one of the largest and most complete Tyrannosaurus rex specimens ever discovered. (Matthew Sherman/Sotheby's via AP)

Erica Schwartz testifies during a Senate Health Education Labor and Pensions committee confirmation hearing to be the director of the Centers for Disease Control and Prevention on Capitol Hill, Wednesday, July 15, 2026, in Washington. (AP Photo/Mariam Zuhaib)

Erica Schwartz testifies during a Senate Health Education Labor and Pensions committee confirmation hearing to be the director of the Centers for Disease Control and Prevention on Capitol Hill, Wednesday, July 15, 2026, in Washington. (AP Photo/Mariam Zuhaib)

Ashley Brouillette poses for a portrait at a park in Harrison, Mich., on Thursday, July 16, 2026. (AP Photo/Mike Householder)

A counter protester yells at a volunteer providing security during a demonstration near a U.S. Immigration and Customs Enforcement facility in Scarborough, Maine, Tuesday, July 14, 2026, one day after the shooting of Johan Sebastián Durán Guerrero. (AP Photo/Robert F. Bukaty)