91热爆

The Majesty of Volcanoes

First broadcast in 1998. What volcanoes can tell us about our planet's formation

• 12 mins

We are all Made of Stars

First broadcast in 1998. The origins of the earth and the elements that it's made from

• 13 mins

A Question of Time

First broadcast in 1998. Ccalculating the Earth's age and key moments in its history

• 13 mins

The Ancient Continents and Oceans Are Formed

First broadcast in 1998. Continents formed from molten rock - but what about water?

• 13 mins

From the Deepest Ocean to the Highest Mountain

First broadcast in 1998. Why what are now mountains may once have been under the sea

• 13 mins

How Life Began

First broadcast in 1998. How water made life on earth possible.

• 13 mins

When Life on the Land Began

First broadcast in 1999. How and why did life on earth finally emerge?

• 13 mins

When the Earth Moves

First broadcast in 1999. What do earthquakes tell us about our planet?

• 13 mins

People on The Planet

First broadcast in 1999. Modern man has been on the earth for just 100,000 years

• 13 mins

The Future of Our Planet

First broadcast in 1999. Can humans conserve the earth for future generations?

• 13 mins

Fossilized Sunshine

First broadcast in 1999. What are oil and gas and where are they found?

• 13 mins