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Nova

It looks like there's material that's convecting underneath, like soup on the stove. You...

Nova • S46E16 • 1974
It looks like there's material that's convecting underneath, like soup on the stove. You have these things
turning over, making these shapes on the top. So we scratched our heads
and wondered what could be making
this strange behavior

Full Transcript

00:00:01.000 --> 00:00:02.998
It looks like there's material
00:00:03.038 --> 00:00:04.766
that's convecting underneath,
00:00:04.806 --> 00:00:06.434
like soup on the stove.
00:00:06.464 --> 00:00:08.502
You have these things turning over,
00:00:08.532 --> 00:00:09.971
making these shapes on the top.
00:00:13.897 --> 00:00:15.241
So we scratched our heads and wondered
00:00:15.265 --> 00:00:18.572
what could be making this strange behavior.
Duration
20 seconds
Views
80
Timestamp in Movie
00:42:09
Uploaded
Aug 27, 2023
Season
46
Episode
16
Genres
documentary

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Movie Summary

Science documentaries about various topics.
S50 • E11 For up to half a billion years, this oxygen has been trapped in the oceans. - Nova 00:10
For up to half a billion years, this oxygen has been trapped...
S46 • E14 On board the space shuttle Atlantis, - Nova 00:09
On board the space shuttle Atlantis,
S50 • E02 ♪ ♪ And Marc and Maram discover that these stones may demonstrate additional astronomical knowledge. - Nova 00:13
♪ ♪ And Marc and Maram discover that these stones may...
S50 • E14 WHITESIDE: Temperatures on land would be 120 degrees Fahrenheit, possibly up to 140, with heat waves on top of that. - Nova 00:52
WHITESIDE: Temperatures on land would be 120 degrees...
S50 • E11 But now, increasing amounts are free to escape. - Nova 00:28
But now, increasing amounts are free to escape.
S50 • E02 BUIE: That small stone there is exactly north of this stone. - Nova 00:24
BUIE: That small stone there is exactly north of this stone.
S50 • E13 As the ice sheets expand and contract, over millions of years, sea levels fluctuate, creating huge deltas where vast swamp forests spring up... - Nova 00:15
As the ice sheets expand and contract, over millions of...
S46 • E12 We saw bright highlands, but they had dark drainage channels. - Nova 00:07
We saw bright highlands, but they had dark drainage channels...
S50 • E07 Only four hours earlier, they photographed this five-year-old male gear-free. - Nova 00:14
Only four hours earlier, they photographed this...
S46 • E19 In the very upper part of the bluffs, - Nova 00:11
In the very upper part of the bluffs,
S50 • E13 ...covering millions of square miles......and giving rise to a whole host of new plant species that thrive in these wet conditions. - Nova 00:16
...covering millions of square miles......and giving rise to...
S46 • E12 When you're looking at it, - Nova 00:14
When you're looking at it,
S46 • E02 With clear skies finally overhead, - Nova 00:08
With clear skies finally overhead,
S50 • E02 NARRATOR: There were several ways the stone circle builders could have found north. - Nova 00:25
NARRATOR: There were several ways the stone circle builders...
S50 • E11 The very composition of the atmosphere itself is changing. - Nova 00:08
The very composition of the atmosphere itself is changing.
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.