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126,500 results
By looking at the layers beneath our feet, geologists have been able to identify and describe crucial episodes in life's history.
4,063,237 views
6 years ago
If we are going to learn about the Earth, we had better start from the beginning! The Hadean, Archean, and Proterozoic eons will ...
293,735 views
2 years ago
The Earth is 4.6 billion years old -- but how can humans relate to a number so colossal, and where do we fit on the geologic ...
664,658 views
10 years ago
The first era of our current eon, the Paleozoic Era, is probably the most deceptively fascinating time in Earth's history.
3,390,596 views
In this video, we go over how the geologic timescale was originally built. The modern geologic time scale has numerical ages ...
22,552 views
1 year ago
We use the yard lines to map out our planet's past (and humanity's tiny moment in it). ↓↓Links & Info↓↓ SUBMIT A QUESTION ...
777,499 views
7 years ago
We've learned about all the enormous time spans that describe the billions of years in Earth's history, but how did we arrive at ...
37,936 views
8 months ago
It's Earth Science time!!!! In this field, natural philosophers were asking questions like, what's up with fossils? Are they the remains ...
554,360 views
5 years ago
In the past few billion years, Earth has been pummeled by asteroids, crashed into other planets and frozen over several times.
3,969,010 views
11 months ago
679 views
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9,000 views
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At the beginning of the Triassic Period, with the continents locked together from pole-to-pole in the supercontinent of Pangea, the ...
13,556,094 views
USGS Fossils, Rocks and Time (https://pubs.usgs.gov/gip/fossils/) Maryland Geological Survey: Maryland Fossils ...
841 views
4 years ago
... Earth became a snowball, and how extinction events allowed geologists to break down the most recent chunk of geologic time.
147,669 views
9 years ago
This video provides information regarding the geologic time scale and how to read it, as well as the principles behind relative ...
5,764 views
3 years ago
The geological time scale is a system used by geologists and paleontologists to divide Earth's history into distinct time intervals ...
589 views
Earth is 4.5 billion years old - which is approximately the same amount of time it took us to create this video. We've scaled the ...
10,685,595 views
7 months ago
Introduction to Physical Geology Chapter 1, lecture 1.
27,026 views
This animation was created for Penn State's GEOSC 010 course (https://www.e-education.psu.edu/geosc10/) with the assistance ...
2,966 views
12 years ago
Chapter 9 Geologic Time, Video 1.
2,195 views
If a tree falls into the forest and doesn't decompose, what happens to it? Hosted by: Rose Bear Don't Walk (she/her) ...
890,757 views
Imagine an enormous, lush rainforest teeming with life...in the Arctic. Well, there was a time -- and not too long ago -- when the ...
8,741,835 views