Status Updates From When the Sahara Was Green: ...
When the Sahara Was Green: How Our Greatest Desert Came to Be by
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Elizabeth
is 30% done
did you know that there's a luminescence test we can perform on sand particles that can determine the last time they were exposed to sunlight, thus dating them? i'm going to chew on my HAT, science is sO COOL
— Jan 06, 2026 08:24PM
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