Pollen in pee: fossilised urine from a small African mammal helps us understand past environments
Pollen grains are incredibly durable because they are made of an organic substance (called sporopollenin) that is very resistant to decay. Pollen is released into the air, often in large quantities, and can settle on surfaces like lakes, and become preserved in sediment deposits over thousands, or even millions, of years. | Photo Credit: M….