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The very composition of the atmosphere itself is changing
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Nova

The very composition of theatmosphere itself is changing

Nova • S50E11 • 1974
The very composition of theatmosphere itself is changing

Full Transcript

00:00:01.000 --> 00:00:06.333
The very composition of the atmosphere itself is changing
Duration
8 seconds
Views
12
Timestamp in Movie
00:43:00
Uploaded
Feb 03, 2026
Season
50
Episode
11
Genres
documentary

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Movie Summary

Science documentaries about various topics.
S50 • E07 Senior scientist Moira Brown is a member of New Brunswick's Campobello Whale Rescue Team. - Nova 00:30
Senior scientist Moira Brown is a member of New...
S50 • E13 The largest among them, Lepidodendrons, grow over 160 feet tall. - Nova 00:08
The largest among them, Lepidodendrons, grow over 160 feet...
S50 • E13 These are part of a group called lycopods, or scale trees. - Nova 00:07
These are part of a group called lycopods, or scale trees.
S50 • E02 BUIE: Makes me wonder, which came first? - Nova 00:28
BUIE: Makes me wonder, which came first?
S50 • E13 It looks like it's not a plant. - Nova 00:16
It looks like it's not a plant.
S49 • E12 ATTENBOROUGH: Those that live underground may have had a better chance. - Nova 00:28
ATTENBOROUGH: Those that live underground may have had a bet...
S46 • E06 To fracture the caprock completely - Nova 00:16
To fracture the caprock completely
S50 • E07 So this whale is thrashing too much and too unsettled to put anybody in a small boat near this whale. - Nova 00:35
So this whale is thrashing too much and too unsettled to put...
S50 • E13 NARRATOR: The swamp forests these trees grew in would've looked similar to today's, except those trees would've grown incredibly quickly, creating a huge amount of plant mass in a very short time. - Nova 00:53
NARRATOR: The swamp forests these trees grew in...
S50 • E08 NARRATOR: Taaniela and Shane enlist the help of boatmen from the neighboring island of Kotu. - Nova 00:24
NARRATOR: Taaniela and Shane enlist the help of boatmen from...
S50 • E14 It takes millions of years for Earth to cool. - Nova 00:43
It takes millions of years for Earth to cool.
S50 • E02 NARRATOR: And they find the same alignments at another stone circle site called Wanar. - Nova 00:17
NARRATOR: And they find the same alignments at another stone...
S46 • E15 As the plumes are analyzed in ever greater detail, - Nova 00:22
As the plumes are analyzed in ever greater detail,
S46 • E13 So why did Mars lose its protective shield? - Nova 00:24
So why did Mars lose its protective shield?
S50 • E07 BROWN: Ready to launch? - Nova 00:06
BROWN: Ready to launch?
S46 • E17 The Polcevera Bridge - Nova 00:17
The Polcevera Bridge
S48 • E20 Very gradually, - Nova 00:18
Very gradually,
S50 • E07 ♪ ♪ Okay, there you go. - Nova 00:41
♪ ♪ Okay, there you go.
S46 • E16 So there's a lot more going on on Pluto - Nova 00:20
So there's a lot more going on on Pluto
S49 • E20 I know Joline from my swimming club. - Nova 00:30
I know Joline from my swimming club.