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Summary
Though most of them are too small to be seen with the naked eye, bacteria are everywhere. They appeared on Earth more than 3 billion years before the first dinosaurs. Some bacteria cause deadly diseases, but many of them are helpful to us. They fertilize the soil by breaking down dead material, and... Full description
Table of Contents:
- Bacteria are bad for you ... aren't they?
- How did bacteria get a bad name?
- How much do we know about bacteria?
- Could you live without bacteria?
- Can bacteria be tasty?
- How does your body use bacteria?
- Can dirt be good for you?
- How do plants use bacteria?
- Is it good that things break down?
- Is waste always wasteful?
- Do industries use bacteria?
- What lies ahead?