Horizon

1. Freak Wave

On a winter night in 373 BC, the classical Greek city of Helike was destroyed...

2. Stone Age Columbus

It began with a ghastly tragedy. In 1985 the massive Colombian volcano Nevado...

3. Homeopathy: The Test

There is a new epidemic sweeping the world. It's been silently growing over t...

4. The Day the Earth Nearly Died

The magnificent ancient city of pyramids at Caral in Peru hit the headlines i...

5. The Secret of El Dorado

In September 1991 two hikers made a sensational discovery - a frozen body hig...

6. The Mystery of Easter Island

Everything you're about to read here seems impossible and insane, beyond scie...

7. Living Nightmare

In the mid 1800s, when Charles Darwin published his theory of evolution, one ...

8. Averting Armageddon

The World Trade Center was built on revolutionary design principles. It turne...

9. Dirty Bomb

This is the story of a book that could have changed the history of the World....

10. Sexual Chemistry

For years scientists have been trying to find the mysterious evolutionary mas...

11. The Day We Learned to Think

When Mount Nyiragongo erupted in the Democratic Republic of Congo in January ...

12. Trial and Error

The rise and fall of Gene Therapy.

13. Earthquake Storms

Examines a theory that many earthquakes are related, and that they can 'trigg...

14. Life on Mars

The world's oceans claim on average one ship a week, often in mysterious circ...

15. The Secret Life of Caves

Who were the first people in North America? From where did they come? How did...

16. God on the Brain

New research into the human brain and asks are we programmed to believe in God?

17. Flight 587

250 million years ago, long before dinosaurs roamed the Earth, the land and o...