Professor Crawford traces our history from hunter gatherer to farmer to city dweller and shows how microbes have co-evolved with us, benefiting from our changing life styles, often to our detriment.
Astrobiology is a new science seeking for life on other planets. Prof Ackland reviews the evidence for existence of planets orbiting other stars and what these planets might be like.
Synthetic biology is an emerging field which aims to construct novel biological parts and systems. It could have interesting implications for evolution.