The Nebraska Cornhuskers huddle before Wednesday’s match against the Omaha Mavericks at Memorial Stadium on August 30, 2023 in Lincoln, Nebraska. (Photo by Dylan Widger/USA Today Sports)

A stag reacts as magpies and crows fuss over a resting stag as they feed on ticks from the fur of the deer herd roaming on the Ashton Court Estate, Bristol, in crisp and cold Autumnal weather on November 23, 2020. (Photo by Ben Birchall/PA Images via Getty Images)

People take photos in a field of Yellow Desert Sunflowers as wildflowers begin to bloom in Anza-Borrego Desert State Park in California after a record-setting wet winter of rain, Anza-Borrego Desert State Park, California, U.S. March 20, 2024. (Photo by David Swanson/Reuters)

A U.S. Army B-24 Liberator Bomber is hailed by a ground crewman as it takes off over a line of shark- nosed fighter planes at an advanced base in China on a mission on October 10, 1943, to bomb Japanese installations. (Photo by AP Photo)

Miguel Oliveira of Portugal and Prima Pramac Yamaha MotoGP crashing during the 2025 MotoGP Michelin Grand Prix of France at Circuit Bugatti on May 11, 2025 in Le Mans, France. (Photo by Jean Catuffe/Getty Images)

Brush your teeth and get cleaned up for the week ahead! These animals answered the call of good dental hygiene. Here: Hamster holds toothbrush. (Photo by Neo Vision/Getty Images/Amana Images RM)

View at one of the sculptures by Swiss artist H.R. Giger during the opening of the Ars Electronica 2013 exhibition “HR Giger. The Art of Biomechanics” in Linz, Austria, 04 September 2013. (Photo by EPA/RUBRA)

The fourth annual BigPicture Natural World Photography Competition aims to celebrate the diversity of life on Earth, and encourages people to protect and conserve it. Here: “The Salmon Catchers”. Terrestrial Wildlife. To capture this view of a mother grizzly bear and her cub, photographer Peter Mather set up a camera trap on a log that he knew the bears tended to traverse while fishing for salmon, in the Yukon River watershed in Canada. (Photo by Peter Mather/BigPicture Natural World Photography Competition 2017)