"Amazing Facts 9" joke

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Your left lung is smaller in size than your right lung, it is like that in order to make room for your heart.
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Until babies are six months old, they can breathe and swallow at the same time
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Male human brains are about 10 percent heavier than female brains
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Before 1800 there were no separately designed shoes for right and left feet
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The glossy look to lipstick comes from fish scales, which are iridescent
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To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe
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Honey is used as a center for golf balls and in antifreeze mixtures
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The original name for the butterfly was 'flutterby'
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Your body weight is lower at 9 A.M. than at any other time of the day
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The average person is about a quarter of an inch taller at night
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40% of McDonald's profits come from the sales of Happy Meals
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Without any greenhouse effect, Earth would be cold and lifeless with an average temp of 0.4