Sanskrit has the most perfect grammatical structure ever analyzed by linguists.

Some languages have no word for 'left' and 'right' — speakers always use cardinal directions (north, south, east, west).

The grammar of most languages encodes social hierarchy — languages like Korean have distinct speech levels for different relationships.

The dot over the lowercase letter 'i' is called a tittle.

Languages evolve continuously — Shakespeare's English is dramatically different from today's just 400 years later.

The word 'quarantine' comes from Italian — quarantina means 40 days, the waiting period for plague-exposed ships.

Fear of long words is called hippopotomonstrosesquippedaliophobia.

The symbol '#' has many names: hash, pound, number sign, octothorpe — 'octothorpe' was coined as a joke by a Bell Labs engineer.

The Hawaiian language has only 13 letters — 5 vowels and 8 consonants.