- Folklore states that if you split a double strawberry in half and share it with the opposite sex, you'll soon fall in love.
- Each year there is one ton of cement poured for each man, woman, and child.
- Gorillas burp when they are happy.
- 40% of Amsterdam commuters get to work by bicycle.
- Ketchup was once sold as a medicine.
- Goldfish can see both infrared and ultraviolet light.
- In Japan, letting a sumo wrestler make your baby cry is considered good luck.
- The average age of a polar bear in the wild is 17 years.
- Birds cannot live in space because they need gravity to be able to swallow.
- German mathematician Gottfried Leibniz lived between 1646 and 1716, developing important calculus concepts and mathematical notation practices.
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