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When a predator strikes, the first thing a tree does
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Cosmos: Possible Worlds

When a predator strikes,the first thing a tree does is to take a saliva samplein order to...

When a predator strikes,
the first thing a tree does is to take a saliva sample
in order to sequence the
DNA of the invading species

Full Transcript

00:00:01.000 --> 00:00:03.785
When a predator strikes, the first thing a tree does
00:00:03.959 --> 00:00:07.746
is to take a saliva sample in order to sequence the DNA of the invading species.
Duration
8 seconds
Views
20
Timestamp in Movie
00:09:42
Uploaded
Jun 01, 2025
Season
1
Episode
7
Genres
documentary, animation, family

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Movie Summary

"Cosmos: A Spacetime Odyssey" returns for a second season. Ann Druyan, original creative collaborator to Carl Sagan, serves as executive producer.
S01 • E04 And they operated by a law that Mendel could describe - Cosmos: Possible Worlds 00:07
And they operated by a law that Mendel could describe
S01 • E03 Life would remake the world, the sea and the sky. - Cosmos: Possible Worlds 00:04
Life would remake the world, the sea and the sky.
S01 • E11 But one day, the sun will exhaust itself completely and - Cosmos: Possible Worlds 00:10
But one day, the sun will exhaust itself completely and
S01 • E10 TYSON: Our carbon atom became part of the retina of one of - Cosmos: Possible Worlds 00:09
TYSON: Our carbon atom became part of the retina of one of
S01 • E02 Given enough time, a random mutation, - Cosmos: Possible Worlds 00:06
Given enough time, a random mutation,
S01 • E05 TYSON: But because of Tan's fate, - Cosmos: Possible Worlds 00:14
TYSON: But because of Tan's fate,
S01 • E08 Two years later, when you took a second look, - Cosmos: Possible Worlds 00:08
Two years later, when you took a second look,
S01 • E03 But life doesn't always act in its own best interest. - Cosmos: Possible Worlds 00:04
But life doesn't always act in its own best interest.
S01 • E07 It then tailors its chemical response to the special - Cosmos: Possible Worlds 00:06
It then tailors its chemical response to the special
S01 • E06 And if that's how our solar system was created, - Cosmos: Possible Worlds 00:09
And if that's how our solar system was created,
S01 • E12 Until about 40,000 years ago, - Cosmos: Possible Worlds 00:07
Until about 40,000 years ago,
S01 • E04 Charles Darwin and Gregor Mendel didn't know it, - Cosmos: Possible Worlds 00:09
Charles Darwin and Gregor Mendel didn't know it,
S01 • E03 There came a day of reckoning, - Cosmos: Possible Worlds 00:07
There came a day of reckoning,
S01 • E01 What if we could detect the gravitational waves that were - Cosmos: Possible Worlds 00:10
What if we could detect the gravitational waves that were
S01 • E02 Say, a virus' ability to paralyze a victim's throat, - Cosmos: Possible Worlds 00:06
Say, a virus' ability to paralyze a victim's throa...
S01 • E07 In certain cases, it releases the precise pheromone that - Cosmos: Possible Worlds 00:08
In certain cases, it releases the precise pheromone that
S01 • E08 This was because both worlds, Earth and Saturn, - Cosmos: Possible Worlds 00:08
This was because both worlds, Earth and Saturn,
S01 • E11 When the sun's torrid red giant phase is over, - Cosmos: Possible Worlds 00:11
When the sun's torrid red giant phase is over,
S01 • E02 If it enhances the virus' chance of survival, - Cosmos: Possible Worlds 00:06
If it enhances the virus' chance of survival,
S01 • E12 They had bigger brains than we do, - Cosmos: Possible Worlds 00:08
They had bigger brains than we do,