Microbes are the oldest
form of life on Earth. Some types have existed for billions of years.
These single-cell organisms are invisible to the eye, but
they can be seen with microscopes. Microbes live in the water you
drink, the food you eat, and the air you breathe. Right
now, billions of microbes are swimming in your belly and crawling
on your skin! Don't worry, over 95% of microbes
are harmless. Three major types of microbes are ,,
Come visit the
and get a sense of scale!