Fifth in a five-part series from Zürich’s Starmus festival. We talk to Brian Eno, recipient of Starmus’s Stephen Hawking medal for science communication, and to the astronomer Jill Tarter about her lifelong search for extraterrestrial life.

Fourth in a five-part series from Zürich’s Starmus festival. Nasa astronaut Nicole Stott tells us about painting the first watercolour in orbit and Kaspersky’s Marco Preuss discusses protecting computer systems in space.