Skeptophilia
Fighting Gullibility with Sarcasm, 6 days a week
Showing posts with label
supercontinent
.
Show all posts
Showing posts with label
supercontinent
.
Show all posts
Friday, September 5, 2025
Mind the gap
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In 1869, explorer John Wesley Powell did the first systematic study of the geology of the Grand Canyon. As impressive as it is, the Grand ...
Monday, April 1, 2024
The rocks drawn down
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Imagine yourself standing on the shoreline, somewhere on the Earth, three billion years ago. If you're picturing swamps and tree ferns a...
Thursday, September 28, 2023
Desert world
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Following hard on the heels of yesterday's post, about whether we'd be able to tell if there'd been a technological civilization...
Wednesday, May 20, 2020
Mind the gap
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In 1869, explorer John Wesley Powell did the first systematic study of the geology of the Grand Canyon. As impressive as it is, the Grand...
Monday, December 9, 2019
The fluid Earth
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I've always had a fascination for maps, and when I was a kid spent many happy hours perusing a huge old world atlas my parents owned. ...
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