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Can We Time Travel?

Can We Time Travel?

Season 1 Episode 1
54:40
Are We Alone?

Are We Alone?

Season 1 Episode 2
54:41
Why Are We Here?

Why Are We Here?

Season 1 Episode 3
54:41
Where Did the Universe Come From?

Where Did the Universe Come From?

Season 1 Episode 4
54:41
What Are We?

What Are We?

Season 1 Episode 5
54:41
Where Are We?

Where Are We?

Season 1 Episode 6
54:11
Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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Genius by Stephen Hawking

Aiming for a Target

Two of the volunteers make shapes of their choice while the third flings them off the top of the tower to see which will get closest to the target. As they re-make the best performing shapes we see how the winning features are passed onto the next generation.