Cambrian Explosion
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Erosion, Then Explosion
When viewing The Great Unconformity, The result of a vast denudation, One feels a new sense of enormity … And above it lie critters crustacean!
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The Noble Worm
A poem, first in a series based on what’s been in the news in science, from Katherine Allen, a researcher in geochemistry and paleoclimate at the Lamont-Doherty Earth Observatory.

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
