U.S. Air Force wounded warrior, Capt. Sarah Evans, jumps rope in a gym in San Antonio, Texas. Evans was diagnosed with cancer while deployed to Afghanistan and was medically evacuated back to the United States where her leg was amputated. (Photo by Master Sgt. Jeffrey Allen/U.S. Air Force)

“This cheeky polar bear tried to hitch a lift off an unsuspecting driver by clambering into the back of his pick-up truck. The curious creature spent about half an hour inspecting the vehicle and its owner before casually trying to climb aboard. However, the truck must not have been up to scratch because the 7ft bear, weighing approximately 300lbs, promptly jumped back out and sauntered off”. – Barcroft Media. Photo: “Awright mate, any chance of a lift to the North Pole?” (Photo by Steven Kazlowski/Barcroft Media)

Armed Karo herdsman just back from protecting their cattle herds come down to the river to wash decorative clay markings off their bodies at the end of the day in the Omo Valley, South West Ethiopia. Dus, Omo Valley, Ethiopia, January 2008. (Photo by Brent Stirton/Discovery Communications)

Japanese researchers have sparked hopes of finding a cure for human baldness after successfully growing hair on hairless mice by implanting follicles created from stem cells, Agence France Presse reports. A picture taken on April 13, 2012 and released by the Tsuji Lab Research Institute for Science and Technology of the Tokyo University of Science shows a hairless mouse with black hair on its back at the laboratory in Noda, Chiba Prefecture. (Photo by Tokyo University of Science via AFP)

A masked protester talks to a soldier during clashes after the funeral of Brig. Gen. Wissam al-Hassan October 21, 2012. Lebanese soldiers fired guns and tear gas to push back hundreds of protesters who broke through a police cordon and tried to storm the government headquarters in Beirut. (Photo by Hussein Malla/Associated Press)

Kalep, 5, in a bear costume, participates in parade where his father Johnny Lopez was the Elder Angel, during the Oruro Carnival, a traditional celebration that can be traced back to the indigenous Ito festival, in Oruro, Bolivia February 26, 2022. (Photo by Wara Vargas/Reuters)

(From front to back) Carson, Rosie and Charlie Surfs Up compete during the World Dog Surfing Championships in Pacifica, California, on August 5, 2023. The event helps local charities raise money by sponsoring a contestant or a team, with a portion of the proceeds going to dog, environmental, and surfing nonprofit organizations. (Photo by Josh Edelson/AFP Photo)

John McEnroe kicks back a television camera that he felt was crowding him on the court during the finals of the U.S. Pro Indoor Tennis Championships in Philadelphia January 27, 1985. McEnroe defeated Czech Miroslav Mecir to win the tournament. (Photo by Amy Sancetta/AP Photo)