- The first credit card was a Diner's Club card issued in 1950.
- Jellyfish have been on Earth for over 650 million years.
- Along with arithmetic, geometry was one of the two fields of pre-modern mathematics.
- Heavier, not bigger, lemons produce more juice.
- Heavy raindrops are shaped like hamburger buns.
- The safest car color is white.
- The average cat can jump 5 times as high as its tail is long.
- Isaac Newton discovered the laws of physics and brought together many important concepts of infinitesimal calculus.
- A connected bunch of bananas is called a hand and individual bananas are called fingers.
- An arrow frog has enough poison to kill over 2,200 people.
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