A girl in a military uniform poses for a photo after the see-off ceremony before the launch in Jiuquan, Gansu province, China, 25 April 2024. China's Shenzhou-18 manned spaceflight mission with three astronauts is the third manned spaceflight mission of China Space Station's development phase. The mission will last for about six months and the crew will carry out tasks such as installation, commissioning, maintenance, repair, and experiments in space. (Photo by Wu Hao/EPA/EFE)

Coloured X-ray of a barn owl. A physicist has used X-ray to create an extraordinary collection of artwork. Arie van't Riets pictures reveal birds, fish, monkeys and flowers in an incredible new light. The 66-year-old, from Bathmen in the Netherlands, began X-raying flowers as a means to teach radiographers and physicians how the machine worked. But after adding a bit of colour to the pictures, the retired medical physicist realised the potential for an exciting new collection of art. (Photo by Arie van't Riet/Barcroft Media)