| Week One |
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| lab rats test subject manipulated and controlled variables rat cage newton Copernicus universe why do we exist, why are we here, living in a cage, science humor animal humor comic strip labrat rodents |
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| Week One |
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| lab rats test subject manipulated and controlled variables rat cage newton Copernicus universe why do we exist, why are we here, living in a cage, science humor animal humor comic strip labrat rodents |
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