Some languages mark grammatical distinctions English lacks — such as whether the speaker knows something directly or by report.

The Pirahã language of the Amazon has no words for numbers beyond 'one,' 'two,' and 'many.'

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

The Sumerian language, one of the earliest written, died as a spoken language around 2000 BC but continued as a liturgical language for centuries.

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

Babies can distinguish phonemes from any language at birth but lose this ability by 12 months.

The alphabet is a Greek innovation — the Greeks added vowels to the Phoenician consonant alphabet around 800 BC.

The word 'set' has the most definitions in the English language — over 430 in some dictionaries.

Password managers are recommended by security experts — reusing passwords is the leading cause of account breaches.