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    Water on Mars - Men's T-Shirt
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    Water on Mars
    $17.49
    Water on Mars - Women's T-Shirt
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    Water on Mars
    $17.49
    PSYCH! - Men's T-Shirt
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    PSYCH!
    $15.99
    PSYCH! - Women's T-Shirt
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    PSYCH!
    $15.99
    Yo ?  (pronounced: Why Not?) - Men's T-Shirt
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    Yo ? (pronounced: Why Not?)
    $15.99
    Yo ?  (pronounced: Why Not?) - Women's T-Shirt
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    Yo ? (pronounced: Why Not?)
    $15.99
    Speed (of light) Limit - Men's T-Shirt
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    Speed (of light) Limit
    $17.49
    Speed (of light) Limit - Women's T-Shirt
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    Speed (of light) Limit
    $17.49
    What Goes Up, Must Come Down - Men's T-Shirt
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    What Goes Up, Must Come Down
    $17.49
    What Goes Up, Must Come Down - Women's T-Shirt
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    What Goes Up, Must Come Down
    $17.49
    Trust Me, I'm Positive (proton) - Men's T-Shirt
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    Trust Me, I'm Positive (proton)
    $17.49
    Trust Me, I'm Positive (proton) - Women's T-Shirt
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    Trust Me, I'm Positive (proton)
    $17.49
    F=ma - Men's T-Shirt
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    F=ma
    $15.99
    The Strong Nuclear Force - Men's T-Shirt
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    The Strong Nuclear Force
    $15.99
    The Strong Nuclear Force - Women's T-Shirt
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    The Strong Nuclear Force
    $15.99
    I've Got the Power - Men's T-Shirt
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    I've Got the Power
    $15.99
    I've Got the Power - Women's T-Shirt
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    I've Got the Power
    $15.99
    Adapt to the Environment (adaptive optics) - Men's T-Shirt
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    Adapt to the Environment (adaptive optics)
    $17.49
    Adapt to the Environment (adaptive optics) - Women's T-Shirt
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    Adapt to the Environment (adaptive optics)
    $17.49
    Don't Discriminant - Men's T-Shirt
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    Don't Discriminant
    $17.49
    Don't Discriminant - Women's T-Shirt
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    Don't Discriminant
    $17.49
    Epicycles Explain Everything - Men's T-Shirt
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    Epicycles Explain Everything
    $17.49
    Epicycles Explain Everything - Women's T-Shirt
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    Epicycles Explain Everything
    $17.49
    Future Rocket Scientist - Men's T-Shirt
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    Future Rocket Scientist
    $17.49
    Future Rocket Scientist - Women's T-Shirt
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    Future Rocket Scientist
    $17.49
    What's Your Sine? - Men's T-Shirt
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    What's Your Sine?
    $15.99
    What's Your Sine? - Women's T-Shirt
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    What's Your Sine?
    $15.99
    Find X  - Men's T-Shirt
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    Find X
    $15.99
    Find X  - Women's T-Shirt
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    Find X
    $15.99
    Gauss (magnetic field) - Men's T-Shirt
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    Gauss (magnetic field)
    $17.49
    Gauss (magnetic field) - Women's T-Shirt
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    Gauss (magnetic field)
    $17.49
    Geology Rocks! - Men's T-Shirt
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    Geology Rocks!
    $17.49
    Geology Rocks! - Women's T-Shirt
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    Geology Rocks!
    $17.49
    Power to the People - Men's T-Shirt
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    Power to the People
    $15.99
    Power to the People - Women's T-Shirt
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    Power to the People
    $15.99
    The MxN Matrix - Men's T-Shirt
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    The MxN Matrix
    $15.99
    The MxN Matrix - Women's T-Shirt
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    The MxN Matrix
    $15.99
    I'm So Hot, You Have to Use Wein's Law - Men's T-Shirt
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    I'm So Hot, You Have to Use Wein's Law
    $17.49
    I'm So Hot, You Have to Use Wein's Law - Women's T-Shirt
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    I'm So Hot, You Have to Use Wein's Law
    $17.49
    Mandelbrot Set - Men's T-Shirt
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    Mandelbrot Set
    $17.49
    Mandelbrot Set - Women's T-Shirt
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    Mandelbrot Set
    $17.49
    Pi by Numbers - Men's T-Shirt
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    Pi by Numbers
    $17.49
    Pi by Numbers - Women's T-Shirt
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    Pi by Numbers
    $17.49
    Pi by Pis - Men's T-Shirt
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    Pi by Pis
    $17.49
    Pi by Pis - Women's T-Shirt
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    Pi by Pis
    $17.49
    Glow in the dark Pi - Men's T-Shirt
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    Glow in the dark Pi
    $15.99
    Glow in the dark Pi - Women's T-Shirt
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    Glow in the dark Pi
    $15.99
    Life is Simple - Men's T-Shirt
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    Life is Simple
    $15.99
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