Morning Overview

Biology

A teaspoon of soil holds more living microbes than there are people on Earth

Beneath every garden bed, farm field, and forest floor, a single teaspoon of soil teems with billions of microorganisms, a population that dwarfs the roughly eight billion humans alive on the planet. That comparison is not poetic exaggeration. Peer-reviewed studies consistently place bacterial cell counts at around one billion per gram of dry soil, and […]