The English language borrows from over 350 other languages, making it one of the most linguistically diverse.

Apes can learn sign language.

Noam Chomsky proposed humans have an innate 'universal grammar' — a built-in capacity for language.

The Sumerian language died as a spoken tongue around 2000 BC but continued as a liturgical language for centuries.

Linguistic relativity experiments show speakers of languages with more color words distinguish shades faster.

The Japanese concept 'komorebi' means sunlight filtering through leaves — English has no equivalent word.

Children raised bilingually from birth process both languages in the same brain regions — unlike adults who learn a second language.

The Basque language has no known relatives anywhere in the world — it is a true language isolate.

The Phoenician alphabet had 22 letters — all consonants — and became the ancestor of most Western alphabets.