From an animal's tusk, it was worked into a small personal hygiene tool, inscribed with a modest wish, and eventually, ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Who created the alphabet and decided its order?

Because the Roman numeral for 50 is L ... who used the last three letters of the alphabet to represent unknown quantities in his book The Geometry. He chose a, b, and c to stand for known quantities.