Uploads from History of the Earth
What Caused the Cambrian Explosion?
How Far Back in Earth's History Could You Have Survived?
Were These the First Animals?
Why Did the Earth Totally Freeze for 100 Million Years?
What Was the First Fungus?
What Was the Earth Like 1 Billion Years Ago?
What Was the First Complex Life on Earth?
What Was the "Boring Billion" Really Like?
A Tour of Earth's Ancient Superoceans
A Tour of Earth's Ancient Supercontinents
What Was the Earth Like 2 Billion Years Ago?
What Is the Other 99.99% of Life?
What Would the Earth Be Like Without Photosynthesis?
What Is the Oldest Fossil on Earth?
