A million dollars weighs about a metric ton. Hence the expression "a ton of money."
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Fidgeting can burn about 350 calories a day.
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You burn 26 calories in a one minute kiss.
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There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
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The elephant brain weighs about 6,000g.
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You burn more calories sleeping than you do watching television.
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A hummingbird weighs less than a penny.
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