Germ Jungle: What Public Spaces Have the Most Bacteria? The purpose of this project is to determine if bacteria exists on many commonly touched public surfaces. If so, then it is important that people are aware of the potential for bringing infectious bacteria into their homes after visiting a public place. Think about the many surfaces your hands touch each day, at home, school, work, the library, and shopping malls. How many other people have touched those same surfaces? Money, shopping-cart handles, door knobs, telephones, ATM keypads, escalator handrails, gym equipment, and hundreds of other surfaces are touched by many different people throughout each day.
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