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Many prey species that live in herds
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Secrets of the Underground

Many prey species that live in herds instinctivelyavoid crossing barriers, even if they're...

Many prey species that live in herds instinctively
avoid crossing barriers, even if they're just painted lines

Full Transcript

00:00:01.000 --> 00:00:02.088
Many prey species that live in herds
00:00:02.096 --> 00:00:05.012
instinctively avoid crossing barriers,
00:00:05.002 --> 00:00:07.052
even if they're just painted lines.
Duration
8 seconds
Views
20
Timestamp in Movie
00:42:40
Uploaded
Jul 13, 2025
Season
1
Episode
8
Genres
documentary

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Movie Summary

Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre g...
S01 • E02 For many corn-growing cultures like the Aztecs, - Secrets of the Underground 00:07
For many corn-growing cultures like the Aztecs,
S01 • E03 As the feeder stream carried branches and silt through this pile of rocks, - Secrets of the Underground 00:11
As the feeder stream carried branches and silt through this ...
S01 • E08 I grew up in Nebraska, and at cattle crossings - Secrets of the Underground 00:12
I grew up in Nebraska, and at cattle crossings
S01 • E02 The first full moon after the solstice - Secrets of the Underground 00:06
The first full moon after the solstice
S01 • E01 This is a randomised model. It looks... - Secrets of the Underground 00:05
This is a randomised model. It looks...
S01 • E02 And a successful corn harvest - Secrets of the Underground 00:06
And a successful corn harvest
S01 • E03 But that dam and this lake were never built to last. - Secrets of the Underground 00:05
But that dam and this lake were never built to last.
S01 • E01 The model is showing me something that seemed so unlikely - Secrets of the Underground 00:15
The model is showing me something that seemed so unlikely
S01 • E08 The ancient hunters knew that they could suggest - Secrets of the Underground 00:08
The ancient hunters knew that they could suggest
S01 • E02 They depended on being able to understand the cycles - Secrets of the Underground 00:07
They depended on being able to understand the cycles
S01 • E03 It's basically a rubble pile - Secrets of the Underground 00:06
It's basically a rubble pile
S01 • E08 The discovery of these ancient drive lanes gives us - Secrets of the Underground 00:08
The discovery of these ancient drive lanes gives us
S01 • E02 So, for the Fort Ancient farmers living here 1,000 years ago, - Secrets of the Underground 00:12
So, for the Fort Ancient farmers living here 1,000 years ago...
S01 • E03 So that leaves one final question, - Secrets of the Underground 00:09
So that leaves one final question,
S01 • E08 Their size and scale - Secrets of the Underground 00:08
Their size and scale
S01 • E01 And you could never have seen this without running a model like this, - Secrets of the Underground 00:07
And you could never have seen this without running a model l...
S01 • E03 Well, not exactly, but it can save itself. - Secrets of the Underground 00:05
Well, not exactly, but it can save itself.
S01 • E01 Yeah, it's one important component of the puzzle we're trying to solve. - Secrets of the Underground 00:05
Yeah, it's one important component of the puzzle we...
S01 • E03 Since my visit, further research has revealed - Secrets of the Underground 00:07
Since my visit, further research has revealed
S01 • E02 Maybe that missing coil was throwing off the placement - Secrets of the Underground 00:10
Maybe that missing coil was throwing off the placement