The series finale examines discoveries of the last 50 years and predicts future possibilities in genetics, astronomy and nanotechnology. Included: a discussion between Stephen Hawking and Richard Dawkins.
Richard Dawkins discusses computer-science expert Alan Turing; James Dyson examines the work of engineer Frank Whittle; Jim Al-Khalili recalls the exploits of inventor Robert Watson-Watt; and Paul Nurse tells the story of pharmacologist Alexander Fleming, who discovered penicillin.
An examination of inventions and discoveries during the Industrial Revolution in Britain includes James Watt's perfection of the steam engine; Joseph Priestley's study of gases; and surgeon John Hunter's advances in anatomy and surgery, and his dabbling in body snatching.
Stephen Hawking and Jim Al-Khalili celebrate Isaac Newton, who considered mathematics to be the root of everything; Richard Dawkins peers into Robert Hooke's microscopic world and examines his feud with Newton; Kathy Sykes gets starry-eyed over astronomer Edmond Halley.