“The Curiosity Mars rover has imaged a small metallic-looking protuberance on a rock. Visible (in the image below the green lines point to it), the protuberance appears to have a high albedo and even projects a shadow on the rock below...”

Chinese Kazakh eagle hunters sit on horseback as they travel to a local competition on January 29, 2015 in the mountains of Qinghe County, Xinjiang, northwestern China. The festival, organised by the local hunting community, is part of an effort to promote and grow traditional hunting practices for new generations in the mountainous region of western China that borders Kazakhstan, Russia and Mongolia. The training and handling of the large birds of prey follows a strict set of ancient rules that Kazakh eagle hunters are preserving for future generations. (Photo by Kevin Frayer/Getty Images)

Children admire the work “Little Lost Boy” by Australian artist Paul Trefry is seen on Tamarama Beach as part of the Sculptures By The Sea outdoor art exhibition on November 10, 2009 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)

Party-loving Brits headed out to enjoy the first weekend of indoor drinking in months; many – like these lasses in Liverpool on May 22, 2021 – were keen to make up for lost time. (Photo by London News Pictures)

18-year-old Palestinian Mohammed Uleywa, who was shot in the foot about 2 years ago by Israeli soldiers and lost one of his feet in the hospital where he was taken, is seen in Gaza City, Gaza on December 13, 2020. Palestinian youth Mohammed Uleywa, who became disabled after lost one foot during the “Great March of Return” demonstrations on the border of the blockaded Gaza Strip, showed his skills in parkour on concrete blocks despite his disability. (Photo by Mustafa Hassona/Anadolu Agency via Getty Images)

A cat and a dog stray along a side street in Las Pinas city, Metro Manila, Philippines, 02 July 2023. A significant number of dogs and cats left wandering in streets could lead to potential health hazard due to rabies. Amidst Covid-19 pandemic, displaced pet owners who lost their job because their employers closed or lost business were forced to leave their animals in the city as they migrate elsewhere. (Photo by Francis R. Malasig/EPA)

Retired builder Vasili Sidamonidze, 70, poses for a portrait at his home in Gori, Georgia, December 6, 2016. “Unfortunately, Stalin is not popular nowadays. Our people don't respect him. Only we, members of the (Communist) Party, respect him”, Sidamonidze said. “I always try to attend Stalin's birthday anniversaries in Gori. Unfortunately many people don't want to join us even if they live nearby. They look at us from their windows”. (Photo by David Mdzinarishvili/Reuters)