Life on Earth and the possibility of life beyond the stars fascinates Dr Lewis Dartnell.

I interviewed Lewis for Imperial College Radio, and this podcast is the full conversation.   We cover Dartnell’s core research in Martian radiation, the recently launched Kepler telescope, possible earth asteroid strikes.   Lewis describes how knowledge of conditions on other worlds might inform maintenance of the Earth.

The noisy aircon is regrettable; and as a result the sound quality is less than ideal.