Comments by "Michael RCH" (@michaelrch) on "From the Cambrian Explosion to the Great Dying" video.

  1. I learned a cool Mnemonic for remembering the geological periods from the Cambrian onwards today. Camels often sit down carefully. Perhaps their joints creak. Cambrian Ordovician Silurian Devonian Carboniferous Permian Triassic Jurassic Cretaceous It worked! I added ...terribly quietly Tertiary Quaternary
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