Green plants as organisms | GCSE Bitesize Revision

'Constant craver's'' and wanting food | What's The Right Diet For You? A Horizon Special

Some of the dieters use a grip-meter to test how much they want foods high in fat an...

'Emotional eater's'' and stress-eating | What's The Right Diet For You? A Horizon Special

Scientists give some of the dieter's a purposefully stressful driving test and then...

'Feaster's'' and gut hormones | What's The Right Diet For You? A Horizon Special

The scientists test the theory that some people lack a certain amount of GLP1, a gut hormone...

'Hungry'' genes and food cravings | What's The Right Diet For You? A Horizon Special

The "cravers" are strapped up with an eye tracker and results are compared with other di...

01: Creation | How to Build a Human

Scientists are now at the pivotal moment of being able to unlock the instructions hidden in the cells of humans.

02: Predictor | How to Build a Human

A look at the veracity of scientists' claims that they are on the verge of being able to predict our futures by analysing our genes and ...

03: The Secret of Sex | How to Build a Human

The precise mechanics of human sexual reproduction are revealed,using new technology to produce previously unseen images.

04: Living Forever | How to Build a Human

The solution to ageing may be in sight with the discovery that a vital gas is the chief culprit, while a drug claims to double life...

1: A Confusion of Names | Botany: A Blooming History

Timothy Walker reveals how the work of Carl Linnaeus, Phillip Miller and John Ray unlocked the mysteries of the plant ki...

1: Apeman - Spaceman | Human Universe

Professor Brian Cox explores our place in the universe. He charts the story of humans from apes to the birth of civilisation to our asc...

1: Body and Soul | Andrew Marr on Darwin's Dangerous Idea

Andrew Marr explores how Darwin's theory of evolution by natural selection has taken on a life of its own far beyon...

1: Cauldron of Life | Galapagos

Liz Bonnin joins a scientific team aboard the research vessel the Alucia on an expedition across the Galapagos Islands.

1: Challenges of Life | Life

David Attenborough examines how living long enough to breed is a monumental struggle, and how many animals and plants go to extremes to give the...

1: Creation | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley shows the sequence of biological events that lead to human birth.

1: Island of Marvels | Madagascar

Series exploring Madagascar and its unique wildlife. David Attenborough reveals the most bizarre places and their inhabitants on this ecolo...

1: Life From Light | How to Grow a Planet

How plants have driven the greatest changes to the Earth. Prof Iain Stewart shows how they first harnessed light from the sun and c...

1: One Ocean | Blue Planet II

Wildlife documentary series presented by David Attenborough, revealing new worlds and animal behaviours throughout the planet's oceans.

1: Pain | Pain, Pus and Poison: The Search for Modern Medicines

Michael Mosley discovers what pain is and how we were able to control it with the discovery of morphine at th...

1: Pulse | H2O: The Molecule That Made Us

Documentary series that explores the importance of water to human civilisation. How H2O causes deserts to bloom, creates rivers in ...

1: The Book of Life | The Gene Code

Adam Rutherford explores how the entire human genome was decoded, discovering that every human carries the entire story of life on earth ...