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What Was The Earth Like 1 Billion Years Ago?
History of the Earth - S1 - E23
One Billion Years Ago: Is This Eden?
History of the Earth: Season 1 - 27 Episode s
1x1 - How Did The Earth Form?
May 9, 2020
An overview of fractionation, Mara's survival, 'Grand Tack' theory, formation of Mercury, solidifying Earth, and theories surrounding Theia.
1x2 - What Was Earth Like 4 Billion Years Ago?
May 23, 2020
1x3 - The Mystery of the Late Heavy Bombardment
June 7, 2020
1x4 - Where Did Earth's Water Come From?
June 14, 2020
1x5 - How Did Life Begin?
July 4, 2020
1x6 - What Was The Last Common Ancestor of all Life on Earth?
July 11, 2020
1x7 - Were Volcanoes The Key To Life?
July 18, 2020
1x8 - Did Life on Earth Come From Space?
August 8, 2020
1x9 - What Would The Earth Have Been Like Without Life?
September 2, 2020
1x10 - What is the Oldest Fossil on Earth?
September 25, 2020
1x11 - How The Earth Got Its Magnetic Field (And Why It Might Not Protect Us Much Longer)
October 11, 2020
1x12 - What Was Earth Like 3 Billion Years Ago?
November 22, 2020
1x13 - How Bad Was The Great Oxidation Event?
December 20, 2020
1x14 - How Did Life Recover From The First Mass Extinction?
January 6, 2021
1x15 - What Would The Earth Be Like Without Photosynthesis?
January 31, 2021
World Without Photosynthesis
1x16 - What Was The First Virus?
February 24, 2021
Older Than Life? Evolution of Viruses
1x17 - What Is The Other 99.99% Of Life?
April 8, 2021
4 Billion Years of Life: Tour of the Biosphere
1x18 - What Was The Earth Like 2 Billion Years Ago?
May 16, 2021
2 Billion Years Ago: After The Great Flood
1x19 - A Tour of Earth's Ancient Supercontinents
June 26, 2021
Before Pangaea
1x20 - A Tour of Earth's Ancient Superoceans
July 31, 2021
Exploring Earth's Prehistoric All Sea
1x21 - What Was The "Boring Billion" Really Like?
October 17, 2021
1.8 to 0.8 Billion Years Ago: Earth's Lost Billion Years
1x22 - What Was The First Complex Life on Earth?
November 30, 2021
Earth's Impossible Fossils
1x23 - What Was The Earth Like 1 Billion Years Ago?
February 18, 2022
One Billion Years Ago: Is This Eden?
1x24 - What Was The First Fungus?
May 30, 2022
The Key to Life? Evolution of Fungi
1x25 - Why Did The Earth Totally Freeze For 100 Million Years?
August 31, 2022
Snowball Earth
1x26 - Were These The First Animals?
December 14, 2022
The Ediacaran: Life's Failed Experiment?
1x27 - How Far Back In Time Could You Have Survived On Earth?
June 9, 2023
How Far Back In Time Could You Have Survived On Earth?