The original Theory of Everything. Quarks and leptons, gluons and photons, even the Higgs boson. Hear about the history and contents of the theory that defined the 20th century, and what comes next.

Dark matter makes up a large proportion of the Universe, holds our galaxy together, and is ultimately responsible for us even being here at all. But how can we be so sure it exists?

This was the first trial run of Cosmology Live