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)

A pair of black-necked stilts fight over their marshland territory in Orlando, Florida in the last decade of July 2024. (Photo by Jake Landing/Solent News)

A king eider sea duck tackles a prickly dinner of sea urchin on a lake in Batsfjord, Norway in the last decade of August 2024. The drake’s breeding plumage consists of a distinctive powder-blue head and neck, orange frontal lobe and a red bill. (Photo by Mia Surakka/Solent News)

Dinosaur expert Jason Hyde, 5, gets to know Bruno the T Rex on August 29, 2024. As the summer holidays draw to a close, parents and children enjoy Dinosaur-themed fun in Darlington town centre, UK, including a T-Rex walk and dino trail. (Photo by James Glossop/ The Times & Sunday Times)

A participant in a tiger-themed costume walks during the “bakeneko” or supernatural cat festival as a Halloween parade in the Kagurazaka district of Tokyo on October 13, 2024. (Photo by Philip Fong/AFP Photo)

Spain's acting acting Minister of Labor and Sumar MP Yolanda Diaz (Front-C) takes her seat at the Lower House in Madrid as they attend the Constitutive Session of the Lower House for the 15th legislature in Madrid, Spain, 17 August 2023. The Upper and Lower chambers celebrate their Constitutive Session for the 15th legislature after the general elections that took place last 23 July 2023. (Photo by Juan Carlos Hidalgo/EPA)

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)