There are over 200 artificial languages that have been created, but Esperanto is the most widely spoken.

Body language accounts for 55% of communication impact, tone for 38%, and actual words for only 7%.

Body language accounts for 55% of communication, tone for 38%, and words for only 7% — according to Mehrabian's model (though this is often oversimplified).

Constructed languages (conlangs) like Tolkien's Elvish are linguistically complete — with grammar, vocabulary, and literature.

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

Whistled languages, like Silbo Gomero in the Canary Islands, encode full speech and are UNESCO Heritage.

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

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

Body language accounts for 55% of communication impact, tone for 38%, and actual words for only 7%.