- The hydrochloric acid found in your stomach is strong enough to dissolve a nail.
- German mathematician Gottfried Leibniz lived between 1646 and 1716, developing important calculus concepts and mathematical notation practices.
- The ice cream cone was introduced in 1904.
- Household dust is made of dead skin cells.
- All the people on Earth could fit into a 1 km cube.
- Whale songs can be used to map out the ocean floor.
- Bananas are a good source of vitamin C, potassium and fiber.
- Before 1913 parents could mail their kids to Grandma's through the postal service.
- The color of a chicken's earlobe is a good indicator of the color of the eggshell it will lay.
- Acoustic Kitty was once a cat in training to be a spy.
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