The Immortalist

The story of how one Russian internet millionaire is turning to cutting-edge science to try to unlock the secret of … More

The Secret Life Of Chaos

Professor Jim Al-Khalili shows how chaos theory can answer a question that mankind has asked for millennia – how does … More

The Science Of Sex Appeal

Take an up-close look at how genetics, hormones and neurological factors are believed to influence our sexual attraction levels to … More

Time Travel – The Truth

Physicists including Stephen Hawking and Michio Kaku discuss whether travelling through time could become possible, or if it will remain … More

The Science Of Laughter

Comedian Jimmy Carr takes over Horizon for this one-off special programme, produced as part of BBC2’s sitcom season. Jimmy turns … More

A Guide To Sex

Sex is a simple word for a very complex set of desires. It cuts to the core of our passions, … More

Parallel Universes

Everything you’re about to see here seems impossible and insane, beyond science fiction. Yet it’s all true. Scientists now believe … More

What Is Reality?

There is a strange and mysterious world that surrounds us, a world largely hidden from our senses. The quest to … More

Secret Of Water

Water – a living substance, the most common and least understood. It defies the basic laws of physics, yet holds … More

Cannabis – The Evil Weed

Cannabis is the world’s favourite drug, but also one of the least understood. Can cannabis cause schizophrenia? Is it addictive? … More

Drugged (4 parts)

This gritty, hard-hitting series offers drug addicts the chance to get clean by putting them through medical and psychological testing, … More

Inside LSD

Albert Hofmann called it “medicine for the soul.” Secret military mind control experiments exploited its hallucinogenic powers. Outlawed in 1966, … More