Nihon University professor and head of Nihon University Animal Medical Center Kazuya Edamura, 49, points to cat photos on a computer screen, which are used to train the AI of “CatsMe!”, an AI-driven smartphone application jointly developed by tech startup Carelogy and researchers at Nihon University that purports to tell when a cat is feeling pain, as he gives a lecture to students on diagnosing pain in cats, at the medical center in Fujisawa, south of Tokyo, Japan on June 11, 2024. (Photo by Issei Kato/Reuters)

Teachers, students and sympathizers take part in an anti-government protest in Budapest on March 15, 2023, to mark the 175th anniversary of the 1848-1849 Hungarian Civic Revolution and War of Independence. (Photo by Peter Kohalmi/AFP Photo)

Fire runners in devil costumes gather to enlighten their stick mounted firecrackers during the “Correfocs” at the “Fiesta Major” of the Sagrada Familia in Barcelona, Spain on April 15, 2023. (Photo by Matthias Oesterle/Alamy Live News)

A man sleeps in a subway train in New York city on August 1, 2024. (Photo by Charly Triballeau/AFP Photo)

Mohammed Abu Al-Qumsan, whose wife Jumann, and newborn twins Asser and Ayssel were killed in an Israeli strike while he was bringing the twins' birth certificates, according to medics, reacts as he holds the certificates, in Deir Al-Balah in the central Gaza Strip on August 13, 2024. (Photo by Abdullah Al-Attar/Reuters)

A Colombian fans cheers before the 2026 FIFA World Cup South American qualifiers football match between Colombia and Argentina, at the Metropolitano Roberto Meléndez stadium in Barranquilla, Colombia, on September 10, 2024. (Photo by Joaquín Sarmiento/AFP Photo)

A model presents a creation by Spanish designer Juana Martin during the Women's Haute-Couture Fall/Winter 2023/2024 Fashion Week in Paris, on July 6, 2023. (Photo by Julien de Rosa/AFP Photo)

A hunter holds her tamed golden eagle during a traditional hunting contest near the village of Tole Bi in Almaty region, Kazakhstan on November 9, 2024. (Photo by Pavel Mikheyev/Reuters)