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We don't know exactly how life emerges on early Earth
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Nova

We don't know exactly how lifeemerges on early Earth

Nova • S48E17 • 1974
We don't know exactly how life
emerges on early Earth

Full Transcript

00:00:01.000 --> 00:00:04.383
We don't know exactly how life emerges on early Earth.
Duration
5 seconds
Views
105
Timestamp in Movie
00:33:49
Uploaded
Aug 27, 2023
Season
48
Episode
17
Genres
documentary

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Movie Summary

Science documentaries about various topics.
S46 • E13 Creating the largest waterfall - Nova 00:07
Creating the largest waterfall
S50 • E14 NARRATOR: It is a slow march to extinction. - Nova 00:06
NARRATOR: It is a slow march to extinction.
S50 • E12 WORDSWORTH: Even in the depths of the Snowball Earth period, volcanism would never stop completely, because there would still be Earth's internal heat driving it. - Nova 00:14
WORDSWORTH: Even in the depths of the Snowball Earth period,...
S50 • E14 ♪ ♪ The Permian forests have been exposed to extreme ultraviolet radiation. - Nova 00:13
♪ ♪ The Permian forests have been exposed to extreme...
S48 • E18 The most important gas that the collisions bring - Nova 00:11
The most important gas that the collisions bring
S50 • E17 And they also have all the tests, so that was an incentive for me. - Nova 00:12
And they also have all the tests, so that was an incentive...
S46 • E13 Cascading into a spectacular canyon - Nova 00:09
Cascading into a spectacular canyon
S46 • E12 Life has woven itself into the fabric of the planet... - Nova 00:16
Life has woven itself into the fabric of the planet...
S50 • E11 And we can still find evidence of them everywhere we look, including in the harshest environments. - Nova 00:11
And we can still find evidence of them everywhere we look,...
S46 • E15 A leading theory suggests that just beyond Saturn's atmosphere, - Nova 00:25
A leading theory suggests that just beyond Saturn's atm...
S46 • E14 This tugging creates friction. - Nova 00:30
This tugging creates friction.
S47 • E12 NARRATOR: The scientific observations being made here - Nova 00:14
NARRATOR: The scientific observations being made here
S46 • E15 A world ripped apart by its proximity to a giant. - Nova 00:06
A world ripped apart by its proximity to a giant.
S48 • E07 NARRATOR: The goal is to increase their - Nova 00:18
NARRATOR: The goal is to increase their
S50 • E15 NARRATOR: The fossil record reveals that around 300,000 years ago, a number of human-like species are thriving. - Nova 00:13
NARRATOR: The fossil record reveals that around 300,000...
S47 • E02 This dog shows how it's done. - Nova 00:13
This dog shows how it's done.
S50 • E15 And it's in Africa that our own ancestors eventually emerge-- Homo sapiens. - Nova 00:11
And it's in Africa that our own ancestors eventually...
S50 • E13 When we have plants growing close to each other, these big surfaces that capture sunlight are creating competition because of the shading of each other. - Nova 00:11
When we have plants growing close to each other, these big...
S47 • E02 But what about a wolf? - Nova 00:05
But what about a wolf?
S50 • E15 But the world humans encounter as they leave Africa is vastly different from the one their predecessors inhabited. - Nova 00:16
But the world humans encounter as they leave Africa is...