Early human migrations Updated 2025-07-16
Video 1.
When We Took Over the World by PBS Eons (2019)
Source.
Human loss of fur Updated 2025-07-16
Video 1.
How Humans Lost Their Fur by PBS Eons (2020)
Source. Says it is linked to bipedalism to help hunting in hot weather. But could only happen fully after the invention of fire, otherwise you'd be too cold at night.