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PBS Space Time
Did Life on Earth Come from Space?
Season 5
Episode 4
How did life on Earth get started? Did life on Earth originate on another planet? Either Mars, or in a distant solar system? Could Earth life have spread to have seeded life elsewhere? Let’s see what modern science has to say about the plausibility of panspermia.
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19:25
What if gravity isn’t weirdly quantum at all, but rather … just a bit messy?

17:02
Have we reached the end of the line of discoverable elements?

15:32
Can we change the color of a black hole?

18:26
Learn about Nobel laureate Roger Penrose's idea of how consciousness is caused by quantum processes.

16:28
Faster than light travel may produce gravitational waves that we could see here on Earth.

20:07
All particles belong to two large groups: fermions and bosons.

16:11
Just how much stronger is this year’s solar activity going to get?

17:25
So you’ve decided to jump into a black hole...

12:51
We only recently figured out where cosmic rays are coming from.

13:28
Black hole complementarity may force us to rethink what it means to say that it exists.

20:15
To travel the stars without faster than light travel we’re going to need a generation ship.

16:19
Today we are jumping into a black hole. Again.