- A deck of cards should be shuffled at least 7 times before playing.
- Women blink twice as much as men.
- The basic arithmetic operations used in mathematics are addition, subtraction, multiplication and division.
- Humans share 50% of their DNA with bananas.
- Russia and the United States of America are less than 3 miles apart.
- A species of moth has the best hearing in the world.
- You have fewer muscles than a caterpillar.
- Mosquitoes prefer to bite people with Type O blood.
- No number from one to 999 includes the letter "a" in its word form.
- A bear in hibernation loses up to 25% of its body weight.
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