- The $ sign was introduced in 1788.
- 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..
- When born a baby giraffe is 1.8m (6ft) tall.
- Coffee is generally roasted between 204 - 218C (400 - 425F) (the longer the beans are roasted the darker the roast).
- 13 people die every year from vending machines.
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