EARTHWORM POO. “The intriguing thing about amorphous calcium carbonate is that strictly it shouldn’t exist, or at least it shouldn’t exist for long enough for us to have spotted it in the earthworm-produced granules. Amorphous calcium carbonate is so unstable that it is almost impossible to make in the laboratory and once made converts to calcite within minutes.”
https://lnkd.in/e34sEk6