Prof Jim Al-Khalili sets out to discover what the universe might actually look like and charts the stories of the men and women who discovered the truth about the cosmos. Show more

Prof Jim Al-Khalili sets out to answer the question of what is nothing, showing how the quantum world of the supersmall shaped the vast universe we inhabit today. Show more

Jim Al-Khalili shows how chaos theory can answer a question that mankind has asked for millennia - how does a universe that starts off as dust end up with intelligent life? Show more

Series exploring how the brain conjures up our world. Dr Eagleman journeys into the future, and asks what's next for the human brain and for our species. Show more

Investigating the concept of information, Jim Al-Khalili learns that it is not just about human communication, it is woven very profoundly into the fabric of reality. Show more

From submariners who live on an 18-hour day to the railway clerk who fought to standardise time zones, Steven Johnson discovers the surprising journey of time in our lives. Show more

Professor Simon Schaffer presents a documentary telling the story of automata, extraordinary clockwork machines designed hundreds of years ago to mimic and recreate life. Show more

George McGavin investigates the dramatic life of the oak tree - a species that makes extraordinary transformations as it meets the challenges of the four seasons. Show more

From the clean environment of a microchip factory to the engineer who lifted a city to install sewers, Steven Johnson traces the journey from dirty to clean in our lives. Show more

In attempting to answer the question of what is energy, Jim Al-Khalili investigates a strange set of laws that link together everything from engines to humans to stars. Show more

Professor Brian Cox reveals the history of Saturn. Saturn began life as a strange planet of rock and ice and in time transformed into a gas giant, ring-less and similar looking to its rival, Jupiter. Show more