- The tallest mammal is the giraffe.
- Clinophobia is the fear of going to bed.
- A bear has 42 teeth.
- 10% of with world's food supply is consumed by insects.
- A compass needle does not point directly north.
- The Hindu-Arabic numeral system began developing as early as the 1st century with a full system being established around the 9th century, forming the basis of the numerical digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 that we use today.
- On average you blink 25,000 a day.
- The world's biggest pyramid is not in Egypt, but in Mexico.
- The Giant Pacific Octopus can squeeze its entire body through a hole the size of its beak.
- Elephants are the only mammals that can't jump.
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