Aarva

Daily edition

2026-07-12

Today's Crosscut

Farming and Fossils

How do fossils from a 70-million-year-old inland sea and the tiny microbes living in the dirt today help a farm grow crops without relying on synthetic fertilizers?

Fertilizers Carry a Hidden Cost for Soil’s Crucial Microbes – Using Less as Prices Rise Might Pay Off for Farms in Unexpected Ways × An Ancient Sea Once Split North America Down the Middle. The Beautiful Multicolored Ammonite Shells From Its Waters Are so Perfectly Preserved That They Still Shimmer Today

0:00 / 18:53 · Narrator Sulafat/Charon/Vindemiatrix

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