الأربعاء، 5 سبتمبر 2012

Germ theory

Mr. Bassi: "I'm surprised I caught a cold. I've been washing my hands a lot."

Dr. Grumpy: "These things can spread through the air, too."

Mr. Bassi: "Yeah, but I was hoping the washing would help me ward off anything."

Dr. Grumpy: "What do you mean?"

Mr. Bassi: "Well, they say washing hands helps prevent disease."

Dr. Grumpy: "That's true..."

Mr. Bassi: "Isn't it because water and soap boost your immune system?"


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