It might be the ultimate dream for preppers and Trekkies: life in a Dyson sphere. Astrophysicist Natasha Hurley-Walker takes us to a possible distant future via the physics of continuous economic growth.

Nudity, easels and the science of embodiment

This program is no longer in production. Ockham’s Razor is a soap box for all things scientific, with short talks about research, industry and policy from people with something thoughtful to say about science.