A teaspoon of healthy soil contains more living organisms than there are humans on Earth, yet scientists say most species remain unknown |
Beneath every footstep lies a world most of us will never see. A single teaspoon of soil, scooped from a healthy forest floor, holds more living organisms than there are humans on the planet, bacteria, fungi, protists and nematodes packed together in numbers that barely make sense on a human scale. Stranger still, the vast…
