Can species that have disappeared from rivers and lakes return? This is what Prof Dr Sonja C. Jähnig is investigating. She studies how damaged freshwater ecosystems recover, under what conditions biodiversity can return, and why healthy waters matter to us.

The thinner an iron film, the more easily it can be demagnetised by a laser pulse. The key lies in the magnetic order at the material's interfaces. In the long term, these findings could contribute to the development of new technologies for magnetic data storage.

Radio plays and radio features are an art form in their own right – and Jan Decker has mastered the art of audio storytelling like no other. The author is now presenting his work as Poet in Residence under the title: ‘Radio is in the mind. Writing radio plays and features’.