Professor Dave Explains
History of the Earth Part 1: Hadean, Archean, and Proterozoic Eons
If we are going to learn about the Earth, we had better start from the beginning! The Hadean, Archean, and Proterozoic eons will take us all the way from the formation of the Earth, 4.6 billion years ago, until about half a billion years...
SciShow
A Brief History of Life: Survival Is Hard
It turns out life may have gotten its start pretty early in Earth's history, and while the first couple billion years saw several important developments, the period was still dominated by very simple life forms. This is our first...
Professor Dave Explains
History of the Earth Part 2: Phanerozoic Eon – Paleozoic Era
We just cruised through the Hadean, Archean, and Proterozoic eons. That brings us all the way to the Phanerozoic eon, which is the one we are still living in today. This is split up into the Paleozoic, Mesozoic, and Cenozoic eras, so...
Curated Video
When a Billion Years Disappeared
In some places, the rocks below the Great Unconformity are about 1.2 billion years older than those above it. This missing chapter in Earth’s history might be linked to a fracturing supercontinent, out-of-control glaciers, and maybe the...
Curated Video
The History of Life on Earth - Crash Course Ecology
With a solid understanding of biology on the small scale under our belts, it's time for the long view - for the next twelve weeks, we'll be learning how the living things that we've studied interact with and influence each other and...
SciShow
A Brief History of Life on Earth: The Full Series
From the Archean Eon to the Holocene Epoch, check out this SciShow mini-series for a primer about life on earth.
SciShow
A Brief History of Life: Survival Is Hard
It turns out life may have gotten its start pretty early in Earth's history, and while the first couple billion years saw several important developments, the period was still dominated by very simple life forms. This is our first...
Curated Video
The World Before Plate Tectonics
There was a time in Earth’s history that was so stable, geologists once called it the Boring Billion. But the fact is, this period was anything but boring. In fact, it set the stage for our modern version of plate tectonics - and...
Crash Course
The History of Life on Earth
The first life on Earth developed in the oceans. As an introduction to ecology, the video starts with the formation of the earth. It follows with the Archaean and Proterozoic Eons including protobionts, prokaryotes, and eukaryotes. It...
Khan Academy
First Living Things on Land Clarification
Sal clarifies concepts covered in the Kahn Academy video on Biodiversity in the Phanerozoic Eon. He explains the types of animals and plants that were the first life forms on land. Additionally, he describes what these organisms would...
Khan Academy
Earth Formation
How was our solar system and earth formed? Sal hypothesizes that a Supernova was most likely the catalyst that spawned our sun and consequently our solar system. He thoroughly explains the formation of the moon and the Earth using a...
Khan Academy
Khan Academy: Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon
Learn about the great oxygenation event that lead to the formation of the ozone layer in this video lecture. Also the arrival of eukaryotes during the Proterozoic Eon. [9:56]
Sophia Learning
Sophia: Proterozoic Age: Lesson 2
This lesson illustrates the proterozoic age of the history of the earth. It is 2 of 3 in the series titled "Proterozoic Age."