If you take away the Earth, Moon, stars - what remains? The concept of the void has alarmed and fascinated humans from the dawn of time. The talk chases "Nothing" from the philosophical speculations of early civilisations to the cutting edge of modern science, quantum mystery, the Higgs field and the origin of the universe. How can you get something out of nothing?
Professor of Physics at Oxford University and former Head of Communications and Public Education at CERN, Frank Close won the Royal Society's Michael Faraday Prize for Excellence in Science Communication in 2013. He is the author of several popular science books, including "Nothing"
Astronomers have discovered that the Universe is full of potential homes for life, with planets around the vast majority of stars, yet the skies remain disappointingly free of swooping starships, visiting aliens or radio signals from space. Chris Lintott looks at the evidence for life in the Universe, explains how you can help and tries to argue that the truth is out there somewhere.