Woolly Mammoths Were Roaming The Earth When The Pyramids Were Built
Tyrannosaurus Rex And Stegosaurus Lived About 80 Million Years Apart
During The Age Of The Dinosaurs, Volcanoes May Have Been Erupting On The Moon
Humans Have Existed For One-Thousandth As Long As The Dinosaurs Lived
Horseshoe Crabs Are 450 Million Years Old, But Some Algae Have Lived More Than Twice As Long
The Planet Only Started Making Oxygen 2.5 Billion Years Ago
The Earth Experienced More Than 1 Million Years Of Rainfall During The Carnian Pluvial Episode
The Presence Of Hominids On Earth Is Analogous To 2 Minutes Of A 24-Hour Day
The Sahara Has Only Been A Desert For About 6,000 Years
Continents Split Up And Reconnect Every 600 Million Years Or So
12,000 Years Ago, Ancient Humans Hunted 10-Foot-Tall Sloths