Fighters of the pro-government Popular Resistance Committees militia carry a cannon as they transport it in parts to Yemen's southwestern war-torn city of Taiz December 26, 2015. (Photo by Reuters/Stringer)

These beautiful shots may look like works of modern art – but they are actually close-ups of chemical reactions. The works were snapped with the help of a group of scientists from the University of Science and Technology of China (USTC) in Anhui, China. Here: Zinc reacting with lead nitrate in a soft gel to form lead crystals. (Photo by Yan Liang/Caters News)

The aurora borealis, also known as the northern lights, visible above Old Gardur Lighthouse on the northern point of the Reykjanes peninsula in Iceland on Sunday, November 24, 2024. The lighthouse dates to 1897, and was one of the first built in Iceland. (Photo by Owen Humphreys/PA Images via Getty Images)

Markisa “Kis” Blount, left, helps leads a dance based exercise class in Franklin Square as part of the FITDC’s Juneteenth Health and Wellness Fair on Monday June 19, 2023 in Washington, DC. (Photo by Matt McClain/The Washington Post)

Women carry pitchers after filling them with water from a hand pump to their houses in Thane district in the western state of Maharashtra, India, May 30, 2019. (Photo by Francis Mascarenhas/Reuters)

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)

A longhorn steer approaches a bystander after it got loose, Wednesday, July 10, 2024, in Fairview Township, Pa. Authorities managed to corral the animal and successfully recaptured it. (Photo by Dan Gleiter/The Patriot-News via AP Photo)

Base jumpers leap from the 300-metre high skydeck of Malaysia's landmark Kuala Lumpur Tower against the backdrop of the city's skyline on October 3, 2016 during the annual International KL Tower Base-Jump event. (Photo by Manan Vatsyayana/AFP Photo)