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Nottingham, NH, United States
I'm a middle school science teacher at Nottingham and I love biology!

Wednesday, April 2, 2014

Aliens Inside Us - Full Episode | Smithsonian Channel

Aliens Inside Us - Full Episode | Smithsonian Channel: "Aliens Inside Us
Are germs good for us? Meet the trillions of alien microbes thriving inside our bodies, and discover why we can't live without them."



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