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LYONS: And as oxygen began to increase in the atmosphere, the relatively minor elements that are essential for all the processes of life became more abundant
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Nova

And as oxygen beganto increase in the atmosphere, the relatively minor elements that are...

Nova • S50E11 • 1974
LYONS:And as oxygen beganto increase in the atmosphere, the relatively minor elements that are essentialfor all the processes of life became more abundant. In many cases, those are metals. ♪ ♪

Full Transcript

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LYONS And as oxygen began to increase in the atmosphere
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the relatively minor elements
00:00:06.633 --> 00:00:09.666
that are essential for all the processes of life
00:00:09.666 --> 00:00:11.366
became more abundant
00:00:11.366 --> 00:00:13.766
In many cases those are metals
00:00:15.933 --> 00:00:19.003
Duration
21 seconds
Views
29
Timestamp in Movie
00:46:57
Uploaded
Feb 03, 2026
Season
50
Episode
11
Genres
documentary

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Movie Summary

Science documentaries about various topics.
S50 • E01 And we're on our way to Stratford. - Nova 00:52
And we're on our way to Stratford.
S50 • E02 BOULEY: Yes, man. - Nova 00:55
BOULEY: Yes, man.
S50 • E13 NARRATOR: And the impact was dramatic. - Nova 00:11
NARRATOR: And the impact was dramatic.
S50 • E08 CRONIN: I'm going to try and get a position close to the plume. - Nova 00:16
CRONIN: I'm going to try and get a position close to...
S46 • E13 One by one, its volcanoes go out. - Nova 00:07
One by one, its volcanoes go out.
S50 • E13 Over millions of years, CO2 levels plummet, and global temperatures nosedive, in a reverse of the greenhouse effect......causing vast icy expanses. - Nova 00:19
Over millions of years, CO2 levels plummet, and global...
S46 • E13 As the lava turns to stone, - Nova 00:11
As the lava turns to stone,
S48 • E07 VAN OPPEN: We wanted to really send out the message - Nova 00:29
VAN OPPEN: We wanted to really send out the message
S49 • E06 {\an1}(birds squawking in distance) - Nova 00:31
{\an1}(birds squawking in distance)
S48 • E18 But unlike in previous collisions, - Nova 00:14
But unlike in previous collisions,
S50 • E13 In the frozen south, the forests die off en masse. - Nova 00:06
In the frozen south, the forests die off en masse.
S50 • E13 SOREGHAN: As carbon dioxide continued to drop, it would've become very, very cold, and up to a quarter of the world's landmasses would've been covered in ice. - Nova 00:47
SOREGHAN: As carbon dioxide continued to drop, it...
S46 • E12 In the light of the aging, expanding sun, - Nova 00:15
In the light of the aging, expanding sun,
S48 • E15 {\an7}(woman speaking on radio) - Nova 00:11
{\an7}(woman speaking on radio)
S48 • E18 Andromeda and the Milky Way - Nova 00:07
Andromeda and the Milky Way
S46 • E16 A window into the processes that created the solar system - Nova 00:08
A window into the processes that created the solar system
S46 • E14 When you have to say goodbye, - Nova 00:21
When you have to say goodbye,
S48 • E18 Scattering stars... - Nova 00:25
Scattering stars...
S46 • E16 New Horizons gives us a glimpse of our origins - Nova 00:13
New Horizons gives us a glimpse of our origins
S46 • E12 Its mountains of ice may shrink and melt. - Nova 00:19
Its mountains of ice may shrink and melt.