Almost everyone assumes skin color is fixed - just how people are, and
always were. It isn't. It has changed again and again across the history
of our species, in different directions, in different places, at
different times.
And the reason has almost nothing to do with people. It's about light.
Tonight we follow that story slowly, from our earliest ancestors losing
their body hair under the African sun, out across the whole planet, and
watch human skin shift with the sky above it - the folate that had to be
protected, the vitamin D that had to be made, and the quiet balance
between them that every human body still keeps today.
Nothing here will startle you, and it ends somewhere gentle.
━━━━━━━━━━━━━━━━━━━━━━━━━━━
A long, calm history documentary made for sleep. This episode covers the evolution of human skin pigmentation - hair loss and endurance walking on the savanna, melanin as protection for folate, the great migrations out of Africa, vitamin D synthesis in weak sunlight, the surprisingly recent genetics of depigmentation, the ancient DNA evidence from Mesolithic Europe, the far-northern peoples whose marine diet removed the pressure to lighten, and how genetically uniform our species actually is beneath it all.
Full-length histories written to be listened to in the dark. No jump
scares, no loud music, no sudden cuts.
🎧 Best with headphones, volume low.
Subscribe to History of the Ordinary
A note on our stories: Every video here starts with real history and a lot of respect for it. We research each story carefully, then shape it into something calm enough to fall asleep to. The narration and artwork are all our work, and even a single episode takes hours to put together.
#historyforsleep #humanevolution #sleepdocumentary
Almost everyone assumes skin color is fixed - just how people are, and
always were. It isn't. It has changed again and again across the history
of our species, in different directions, in different places, at
different times.
And the reason has almost nothing to do with people. It's about light.
Tonight we follow that story slowly, from our earliest ancestors losing
their body hair under the African sun, out across the whole planet, and
watch human skin shift with the sky above it - the folate that had to be
protected, the vitamin D that had to be made, and the quiet balance
between them that every human body still keeps today.
Nothing here will startle you, and it ends somewhere gentle.
━━━━━━━━━━━━━━━━━━━━━━━━━━━
A long, calm history documentary made for sleep. This episode covers the evolution of human skin pigmentation - hair loss and endurance walking on the savanna, melanin as protection for folate, the great migrations out of Africa, vitamin D synthesis in weak sunlight, the surprisingly recent genetics of depigmentation, the ancient DNA evidence from Mesolithic Europe, the far-northern peoples whose marine diet removed the pressure to lighten, and how genetically uniform our species actually is beneath it all.
Full-length histories written to be listened to in the dark. No jump
scares, no loud music, no sudden cuts.
🎧 Best with headphones, volume low.
Subscribe to History of the Ordinary
A note on our stories: Every video here starts with real history and a lot of respect for it. We research each story carefully, then shape it into something calm enough to fall asleep to. The narration and artwork are all our work, and even a single episode takes hours to put together.
#historyforsleep #humanevolution #sleepdocumentary