This episode of the Physics World Weekly podcast features the artist Geraldine Cox, who draws on her background in physics to create pieces inspired by the patterns of nature. Cox talks about her ongoing collaboration with physicists at Imperial College London and also about her work with World of Atoms, a UK-based organization that uses art, experiment, poetry and dance to teach children about atoms.

Also featured this week is the University of Liverpool accelerator physicist Carsten Welsch. He talks about his role as coordinator of Optimization of Medical Accelerators, which is a European training network, and he explains how the network is working to improve cancer care by optimizing proton therapy technologies.