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The Challenge: Make an Antibacterial Cream

What is the best way to approach this challenge?

First we need to know what we are fighting.

Bacteria are single celled organisms and can be divided into three groups according to their shape. To the naked eye they may look identical but under a microscope they look very different. They can only be seen under a microscope because they measure just 1 - 5 microns (m) (0.00004 - 0.0002 inches) across.

Magnified look at types of bacteria