This 2026 photo provided by UCLA shows a Tyrannosaurus rex tooth that was used to measure the dinosaur’s body temperature. (UCLA via AP)

This 2026 photo provided by UCLA shows scientist Robert Eagle holding a Tyrannosaurus rex tooth that was used to measure the dinosaur’s body temperature. (UCLA via AP)

An elderly woman sits in the doorway of her home to catch the cool air during a blackout in Havana, Cuba, Friday, Sept. 18, 2026. (AP Photo/Ramon Espinosa)

A barber provides service to a client on a street during a blackout in Havana, Cuba, Friday, Sept. 18, 2026. (AP Photo/Ramon Espinosa)

People hang out near eggs for sale on a street during a blackout in Havana, Cuba, Friday, Sept. 18, 2026. (AP Photo/Ramon Espinosa)

A man charges his fan's battery at his doorway using a small solar panel set up on the street during a blackout in Havana, Cuba, Friday, Sept. 18, 2026. (AP Photo/Ramon Espinosa)

Arsenal's Martin Odegaard reacts during the English Premier League soccer match between Brighton & Hove Albion and Arsenal in Brighton, England, Saturday, Sept. 19, 2026. (AP Photo/Kin Cheung)

United States' Christian Harrison, right, and Austin Krajicek celebrate after winning a point against Czechia's Adam Pavlasek and Patrik Rikl during the Davis Cup second round qualifier match between the Czech Republic and the United States, in Prague, Saturday, Sept. 19, 2026. (AP Photo/Petr David Josek)