Gravity Doesn't Exist?

Andy Hamilton, Reginald D Hunter and Clare Balding discuss the theory 'we don't know what gravity is'.

Comedians Andy Hamilton and Reginald D Hunter host a series in which qualified professionals and experts submit their theories about life, the universe and everything for examination by a panel of Hamilton, Hunter and a guest celebrity, who then make a final decision on whether the theory is worth keeping.

In this episode, the guest is broadcaster Clare Balding and the experts are David Ryan and Marcus Chown.