In 252 Million BC 96% of ALL Life on Earth Died - And Science STILL Can't Fully Explain Why

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What does it take to nearly erase life from an entire planet?





In this Sleepy Time History deep-dive, we explore the
Permian–Triassic extinction event, when up to 96% of all species
vanished and Earth came terrifyingly close to going completely
silent. From the supercontinent Pangaea and bizarre Permian
creatures, to “crime scene” clues hidden in ancient rocks, we
piece together what might have triggered the greatest mass
extinction in Earth’s history.





Was it massive Siberian Traps volcanism, runaway climate change,
poisoned oceans, collapsing food webs… or something else
entirely? Discover how anoxic “dead zones,” acidified seas, toxic
gases, and maybe even an asteroid impact combined into a perfect
storm that science still can’t fully explain.





If you’re curious about mass extinctions, ancient climate change,
and the deep past of our planet, this relaxing yet gripping
history of “The Great Dying” is for you.





Subscribe to Sleepy Time History for more calm, story-driven
journeys through the strangest and most mysterious moments in
Earth’s past.





Recommended:


https://www.youtube.com/playlist?list=PLz4qRohCjQXNpFBq3JgeyrvpszW5hbyMg





Chapters:


00:00 Intro - the day earth almost went silent


03:37 Section 1 - a world before the fall: pangaea, strange seas,
and permian life


09:26 Section 2 - how we know: reading the planet’s crime scene
after 252 million years


16:36 Section 3 - the extinction timeline: was it one punch or a
combination attack?


27:38 Section 4 - prime suspect: the siberian traps and a planet
under lava


38:42 Section 5 - climate catastrophe: runaway warming, drought,
and the collapse of habitats


50:38 Section 6 - oceans without breath: anoxia, euxinia, and the
‘purple ocean’ hypothesis


1:03:01 Section 7 - acid seas and a shattered carbon cycle


1:16:22 Section 8 - poison from the deep earth: halogens, heavy
metals, and ozone trouble


1:28:33 Section 9 - the impact question: did a space rock add the
final blow?


1:39:03 Section 10 - on land: the great dying in forests, rivers,
and food webs


1:51:43 Section 11 - why science still can’t fully explain it:
gaps, competing models, and a best-fit scenario


2:05:47 Conclusion - the planet’s warning label, and the mystery
that remains





Sources:


- “Mass Extinctions and Their Aftermath” — Peter D. Ward (2006)


- “The Permian–Triassic Mass Extinction: An Integrated View” —
Shuzhong Shen, David P. G. Bond, Paul B. Wignall, Shu-zhong Shen,
et al. (Earth-Science Reviews, 2019)


- “Siberian Traps Magmatism and the End-Permian Mass Extinction”
— Stephen E. Grasby, Paul B. Wignall, David P. G. Bond, et al.
(Nature Geoscience, 2011)


- “End-Permian Mass Extinction Triggered by Volcanic Combustion
of Coal and Petroleum” — Henrik H. Svensen, Sverre Planke, Anders
Malthe-Sørenssen, et al. (Nature, 2009)


- “Extremely Rapid End-Permian Mass Extinction Caused by Cooling
and Anoxia” — Seth D. Burgess, Samuel Bowring, Shen Shuzhong
(Proceedings of the National Academy of Sciences, 2014)





Note on Process & Accuracy:


Every story on this channel begins with a deep respect for
history. We act as directors and editors, using AI tools to help
research and draft the script while we shape the narrative and
verify facts. The narration comes from a digital replica of a
professional voice actor, and the images are individually crafted
artistic impressions using AI. Even with these tools, creating a
story of this depth still takes hours of work.





Please note that while the narrative is thoroughly based on
historical research, its primary purpose is storytelling for
entertainment and relaxation. As such, it is not intended to be
used as a formal academic or scientific source. Thank you for
your trust and support.