The Oxford comma debate — whether to use a comma before 'and' in a list — has led to actual lawsuits over ambiguous language.

Some languages have no word for 'left' or 'right' — speakers of Guugu Yimithirr in Australia use cardinal directions instead.

Code-switching — alternating between two languages mid-sentence — is a sophisticated skill, not a deficiency.

Shakespeare invented over 1,700 words still used in English today, including 'bedroom,' 'lonely,' and 'generous.'

The word 'nice' once meant 'foolish' in English — its meaning gradually softened over centuries.

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

Children learn language faster and more completely than adults — a window called the 'critical period' closes around puberty.

Txting and internet slang follow consistent grammatical patterns — linguists study them as natural language change.

Sign language grammar differs from spoken language grammar — word order and facial expression serve different grammatical roles.