Children typically master the grammar of their native language by age 5 — without explicit instruction.

Chimpanzees have shown the ability to learn sign language.

Fact #1318 · Language

The Rosetta Stone helped scholars decode Egyptian hieroglyphs.

Fact #73 · Language

'The quick brown fox jumps over the lazy dog' contains every letter of the English alphabet.

Fact #5954 · Language

The language with the most native speakers is Mandarin Chinese, followed by Spanish and English.

Fact #6192 · Language

The word 'OK' may be the most recognized word in the world — understood in virtually every language.

Fact #6233 · Language

Tone languages require the brain to process pitch as both music and language simultaneously.

Fact #8446 · Language

Sign languages are complete natural languages — they are not universal and vary by country.

Fact #6195 · Language

There are no true synonyms — words with similar meanings always differ in connotation, register, or use.

Fact #5631 · Language