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Home > Biology > Biotechnology > Problems and profit with waste

Biology

Problems and profit with waste

Microorganisms

Microorganisms exist naturally all over the human body. This video shows a 2-day experiment in which mobile phones, earrings and other personal possessions were swabbed and the results cultured – to the horror of their owners. Now you know why you should always wash your hands!

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Key points

  • Bacteria are a type of microorganism each made of one cell.
  • There are strict guidelines on safety and good practice when working with microorganisms. Here are some of the key precautions you need to be aware of.

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Sewage Plant

Class Clips

Hold your nose for this video clip about the bacteria that break down sewage

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A picture of Mia Cadaver

Tombstone Timeout

Test out your knowledge of biology with Mia Cadaver's biology game - it's serious fun!

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