Skeptophilia
Fighting Gullibility with Sarcasm, 6 days a week
Showing posts with label
Isthmus of Panama
.
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Showing posts with label
Isthmus of Panama
.
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Friday, May 31, 2024
The migrants
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Most people know of at least two reasons that organisms can evolve. The first, of course, is natural selection; members of the same species...
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