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ESPC 2011 - Toronto (Ontario)

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To Eat or Not To Eat
Défi:Santé
Catégorie:Junior
Région:
Ville:,
École:
Sommaire:I wanted to determine if hand sanitizing, hand washing and the "ten second rule" protect me from ingesting harmful bacteria when I drop my favourite candy on the ground. I placed a M&M in common areas of my house and picked it up with clean, sanitized and normal hands. I cultured the surface to see what I was putting in my mouth.