Time of Population Explosion

[Don Schaeffer]

Take some grass or strings of stem from the lawn. Let it sit for a week in tap water. Depending on the vegetation you immerse in the water, you may get a toxic brew of bacteria and poison, or you may get a burgeoning city of protists. In spite of their size, these creatures are part of the future.

https://youtu.be/kDjaqaAGaqw