- The Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, ....
- A full moon is 9 times brighter than a half moon.
- Most birds eat twice their body weight each day.
- The typical wave height from Pacific tsunami is between 6 - 9 metres.
- Hippopotamus milk is pink.
- Giraffes can grow more than 18 feet tall.
- The Cambodian alphabet has 74 letters.
- 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.
- 60 cows can produce a ton of milk each day.
- Jamaica has 120 rivers.
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