Skeptophilia
Fighting Gullibility with Sarcasm, 6 days a week
Showing posts with label
anoxia
.
Show all posts
Showing posts with label
anoxia
.
Show all posts
Friday, June 27, 2025
The collapse
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A couple of weeks ago, I wrote about the spike in atmospheric oxygen concentration -- by some estimates, rising to 35% -- during the Carboni...
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Friday, June 28, 2024
A Jurassic wake-up call
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About 183 million years ago -- during the Toarcian Age , one of the subdivisions of the early Jurassic Period -- there was a sudden and puzz...
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