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Sensei

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riley
How does deodorant work to stop us sweating?
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riley
How do batteries work?
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MJDale
After talking non-stop in the car today about electricity wires, my young son asked: Why is it that birds can sit on a wire without electrocuting themselves?
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ollie
How do you paint over tiles, I know that you have to first prepare the tiles otherwise the paint just scratches off but prepare with what?
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cburstow
What has more caffeine - tea or coffee?
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archiemac
Generally speaking, are men healthier than women?
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sporty
I have very vivid dreams - should I read something into them?
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sabrinah
How do smoke alarms detect smoke?

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