Why Earth Freezes Every 100,000 Years | History for Sleep
Автор: Sleepy Secrets Of History
Загружено: 2026-01-25
Просмотров: 30508
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Why Earth Freezes Every 100,000 Years | History for Sleep
Every 100,000 years, like clockwork, Earth freezes. Ice sheets cover half of North America. Sea levels drop hundreds of feet. Then the planet warms again. This has happened over and over for millions of years. The pattern is so regular you could set your watch by it. Almost. We know Earth's orbit changes shape, the planet wobbles on its axis, the tilt shifts—these orbital variations affect sunlight. But here's the problem: those changes alone create maybe 1-2 degrees of temperature shift. Instead, we get full ice ages. Something is amplifying the signal...
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TIMESTAMPS & TOPICS:
0:00 Introduction: The 100,000-Year Clockwork
19:00 Discovery of Ice Ages: From Laughable Theory to Scientific Fact
37:00 Evidence Everywhere: Ice Cores, Ocean Sediments, Glacial Scars
56:00 Milankovitch Cycles: Earth's Orbital Wobbles Explained
1:14:00 The Amplification Problem: Why Small Changes Create Ice Ages
1:33:00 Feedback Loops: Ice, Oceans, and Carbon Dioxide
1:51:00 The 41,000-Year Mystery: When the Cycle Changed
2:10:00 What Life Was Like During Ice Ages: Surviving the Freeze
2:28:00 Are We Breaking the Cycle? Human Impact on Ancient Rhythms
2:47:00 Conclusion: Living in the Warm Window Between Ice Ages
DIVE DEEPER:
Ice Ages: Solving the Mystery by John Imbrie & Katherine Palmer Imbrie (1986) — The classic story of discovery
The Two-Mile Time Machine by Richard Alley (2000) — Reading Earth's climate history in ice cores
A Rough Guide to the Ice Age by Richard Fortey (2011) — Accessible science of glacial cycles
Behind the Scenes: Bringing these ancient stories to life requires a blend of history and technology. We use AI to assist with research, imagery, and our digital narration, acting as the editors to bring it all together. It is a detailed process that allows us to share these worlds with you.
Context: Please remember that our primary goal is to help you unwind. While rooted in historical research, our content is artistic storytelling, not academic study. Thank you for letting us tell you a story tonight.
#HistoryForSleep #AncientHumans #RelaxingHistory #HumanEvolution #SleepDocumentary
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