- The equals sign (=) was invented in 1557 by a Welsh mathematician named Robert Recorde.
- Tiger shark embryos begin attacking each other in their mother's womb before they are even born.
- Your most sensitive finger is your index finger (closest to your thumb).
- Your skin is the largest organ making up the human body.
- All babies are born with blue eyes.
- Dairy products account for 29% of all food consumed in the U.S.
- The average American will consume over 465 trees worth of paper over their lifetime.
- You're more likely to get stung by a bee on a windy day than any other.
- You burn more calories sleeping than watching TV.
- Sir Isaac Newton was 23 when he discovered the law of gravity.
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