Early morning paddle boarder enjoys late days of summer on Trent Severn Waterway in Rosedale, Ont., Thursday, September 3, 2020. (Photo by Canadian Press/Rex Features/Shutterstock)

A boy searches for coins thrown by Hindu devotees in river Yamuna where water levels have reduced drastically following hot weather in New Delhi, India, Monday, May 2, 2022. The Indian capital, like many other parts of South Asia, is in the midst of a record-shattering heatwave. (Photo by Manish Swarup/AP Photo)

Georgia Baker, 12, enjoys the bright yellow Sunflower field on a farm near Christchurch in Dorset on August 7, 2022. (Photo by Rachel Baker/Bournemouth News)

National Guardsmen are put through riot training in Boston's Commonwealth Armory on Friday, October 18, 1974. Massachusetts Gov. Francis W. Sargent called up the guard to quell school violence, but the city has been relatively calm and the guard has remained in the armories. (Photo by JWG/AP Photo)

Commuters attempt to shelter as they cross London Bridge during wet and windy weather in Central London on November 1, 2023. Yellow weather warnings for wind and rain are in place for parts of England as Storm Ciarán begins to influence weather in the United Kingdom. (Photo by George Cracknell Wright)

Beautiful, strange and occasionally alarming pictures from the shortlist for this year’s Wellcome image awards – which celebrate the very best in science photography and imaging – from an x-ray of a bat to a micrograph of a kidney stone. The exhibition opens on 12 March at three science centres and the Museum of Science and Industry in Manchester. Photo: Scanning electron micrograph (SEM) of an Arabidopsis thaliana flower, also commonly known as thale cress. Some of the anthers are open, revealing pollen grains ready for dispersal. Arabidopsis was the first plant to have its entire genome sequenced and is widely used as a model organism in molecular and plant biology. Horizontal width of image is 1200 microns. Magnification 100x. (Photo by Stefan Eberhard/Wellcome Images)

Engine driver Josef Kowatsch (top L) steers a train through the NEAT Gotthard Base Tunnel during a media visit near the town of Erstfeld August 24, 2015. Crossing the Alps, the world's longest train tunnel should become operational at the end of 2016, consisting of two parallel single track tunnels, each of a length of 57 km (35 miles). (Photo by Arnd Wiegmann/Reuters)

A squirrel and lizard both refuse to give way in an unlikely standoff on a wall in Mohali, India in the first decade of February 2024. (Photo by Anuj Jain/Solent news)