Horizon. 22-02-2001. Snowball Earth.

BBC - Horizon - 2001 - Snowball Earth

Scientists Crack Mystery About How Life Survived Snowball Earth

Snowball Earth - Tráiler

'Snowball Earths' Were Likely Triggered By This…

Earth became planet snowball 700 million years ago. Here’s how

Earth-like Snowball Planets May Be Able to Support Life, Study Finds

Study Suggests 'Dawn Of Plate Tectonics' Could Have Contributed To Earth Turning Into A 'Snowball'

Earth episode 2 - Snowball - chris packham

New Evidence SupportsTheory That Earth Used To Be A Massive Snowball

‘Snowball Earth’ May be Responsible for the Missing Layer of Rock in the Grand Canyon

Scientists Say 'Perfect Storm' Likely Caused 'Snowball' Earth Millions Of Years Ago

Horizon. 08-02-2001. Killer Algae.

Horizon. 25-10-2001. Cloning the First Human.

BBC - Horizon - 2001 - The Missing Link

Horizon. 01-02-2001. The Missing Link.

BBC - Horizon - 2001 - Cloning The First Human

BBC - Horizon - 2001 - The Ape that Took Over the World

Horizon. 25-01-2001. The Mystery of the Miami Circle.

BBC - Horizon - 2001 - The Ape that Took Over the World

BBC - Horizon - 2001 - The Mystery Of The Miami Circle