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How Volcanoes Froze the Earth (Twice)
PBS Eons
17 ก.ค. 2019
การดู 2,076,727 ครั้ง
How Earth's First, Unkillable Animals Saved the World
Where Did Water Come From?
When a Billion Years Disappeared
Ancient Aliens: Shocking Evidence of TIME TRAVEL?!
We Were Wrong About Gold's Origin
A Natural History of Mars
How 7,000 Years of Epic Floods Changed the World (w/ SciShow!)
Your understanding of evolution is incomplete. Here's why
An Inside Look Into The Planets In Our Solar System | Cosmic Vistas Compilation | Spark
Why Megalodon (Definitely) Went Extinct
What Caused The Cambrian Explosion?
The History of Climate Cycles (and the Woolly Rhino) Explained
How Plants Caused the First Mass Extinction
When the Sahara Was Green
WATCH: Radar shows rare-late season atmospheric river hitting western Washington
Animals of Amazon 4K - Animals That Call The Jungle Home | Amazon Rainforest |Scenic Relaxation Film
There's No Single Cradle of Humankind
That Time the Mediterranean Sea Disappeared
A Short Tale About Diplodocus' Long Neck
The Last Time the Globe Warmed