Principles of Curiosity

Featuring Michael Pollan and based on his best-selling book, this special takes viewers on an exploration of the human relationship with the plant wor...

Prof. Jim Al-Khalili tackles the biggest subject of all, the universe. Through a series of critical observations and experiments that revolutionised o...

Chaos theory has a bad name, conjuring up images of unpredictable weather, economic crashes and science gone wrong. But there is a fascinating and hid...

Kate Humble and Helen Czerski reveal the inner workings of the sun and investigate why scientists think changes in the sun's behaviour may have powerf...

Dr Helen Czerski delves into the Horizon archive to chart the transformation of a little-known theory into one of the greatest scientific undertakings...

From Raymond Baxter live on Tomorrow's World testing a new-fangled bulletproof vest on a nervous inventor to Doctor Who's contemporary spin on the War...

Concern over global climate change may be at an all-time high, but climate change is nothing new - the earth's climate always followed natural cycles...

Physicist Dr Helen Czerski takes us on a journey into the science of bubbles - not just fun toys, but also powerful tools that push back the boundarie...

Four young Americans who've each suffered a Traumatic Brain Injury emerge from their comas at a New Jersey medical facility. Their eyes may be open, b...

Anatomist Alice Roberts embarks on a quest to rebuild her own body from scratch, taking inspiration from the very best designs the natural world has t...

The biggest tech revolution of the 21st century isn’t digital, it’s biological. A breakthrough called CRISPR gives us unprecedented control over the b...

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

This documentary examines theories behind the creation of gamma ray bursts, destructive explosions in space that can wipe out entire star systems.

Is building our own starship Enterprise possible? Will we ever travel between the stars as easily as they do in Star Trek? JJ Abrams' new feature, Sta...

Fascinating -- and unintentionally funny -- experiments at Austria's famed Institute for Experimental Psychology involve a subject who for several wee...