Orcas hunting a seal, duelling Nubian ibexes and a stunning horseshoe crab appear in winning images from this year’s Wildlife Photographer of the Year competition
A glacier under covers, a fish in danger of losing its home and threatened African penguins feature in the best entries to the Royal Society of Biology Photography Competition
Duelling prairie chickens, a snake-mimicking moth and a once-a-year sunrise at the South Pole feature in the best images from the Royal Society Publishing Photography Competition 2025
We are constantly told to watch out for the health risks of eating ultra-processed food, but should you be worried every time you sit down for a meal? Sam Wong takes a look at the evidence