* Its no exaggeration to say that without microbes there would be no life at all.

* Ancient bacteria breathed out oxygen and created the atmosphere that sustains life on  Earth today. Even now,  microbes produce at least half of the air we breathe.

* Microbes are the foundation of the food chain that feeds all life on earth. For example, bacteria --> protozoan  -->  small fish  -->  large fish  --> human

* Every year, microbes convert billions of tons of human feces and other organic waste, into soil.

* Microbes help plants take up nutrients from the soil, act as natural pest-killers and turn waste into fertilizer.

* Microbes make more than 3,500 foods worldwide. These include bread, cheese, soda, chocolate, pickles and sauerkraut.

* Microbes eat up toxic wastes such as battery acid, old paint, oil, pesticides and even radioactive material.

* The bacteria that live all over your skin keep away harmful microbes by seizing any available space or food.

* The trillions of bacteria in your stomach crowd out harmful bacteria, produce vitamins and help you digest your food.

* Bacteria and fungi are the source of the antibiotics that doctors use to fight many diseases. 

* Bacteria is being used to produce human insulin. Viruses are being used to introduce genes that can