Biology
What secrets hide beneath our world's surface?
Quick fact
Microbes include bacteria, archaea, fungi, and microscopic organisms.
Why this is interesting
Most life on Earth is invisible to the human eye, yet microbes influence almost every part of the planet.
Read the full explanation
Understanding What secrets hide beneath our world's surface?
Some microbes cause disease, but many are essential for digestion, ecosystems, and nutrient recycling.
A deeper explanation
Microbial life represents some of the oldest forms of life on Earth and played a major role in transforming the planet's atmosphere and chemistry.