Soap Bubble Structures by Kym Cox. Bubbles optimise space and minimise their surface area for a given volume of air. This phenomenon makes them a useful tool in many areas of research, in particular, materials science and “packing” – how things fit together. Bubble walls drain under gravity, thin at the top, thick at the bottom, which interferes with travelling lightwaves to create bands of colour. Black spots show the wall is too thin for interference colours, indicating the bubble is about to burst. (Photo by Kym Cox/2019 Science Photographer of the Year/RPS)

A huge colony of Pacific Walrus on Arakamchechen Island in the Northern Bering Sea. (Photo by Francois Gohier/Ardea/Caters News)

Kayla Amara sprays down their home as the Hughes Fire burns in Castaic, California, U.S. January 22, 2025. (Photo by Joel Angel Juarez/Reuters)

A hungry pelican is shown in a high-speed aerial pursuit of a rival's fish dinner. Having caught the fish, the osprey had to fend off competition from the much bigger bird. These stunning pictures were captured by Hanping Xiao in Sebastian Inlet State Park, Florida, USA in February 2023. (Photo by Hanping Xiao/Solent News & Photo Agency)

English actress Florence Pugh attends the EE British Academy Film Awards 2022 at Royal Albert Hall on March 13, 2022 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images)

The annual Antarctic photography exhibition, which is part of Hobart’s Antarctica festival is back on with its chilly, majestic imagery. The winner this year is Sydney’s Sam Edmonds with his striking photo of a gentoo penguin in the snow. Here: Casey Station 2017. (Photo by Chris J. Wilson/The Guardian)

Selena Gomez performs at the MTV Movie Awards. (Photo by Jordan Strauss/Invision for MTV)

A yawning leopard appears to be laughing instead at Chobe National Park in Botswana in January 2023. (Photo by Nick Dale/Solent News & Photo Agency)