Language is a structured system of communication. The structure of a language is its grammar and the free components are its vocabulary. Languages are the primary means by which humans communicate, and may be conveyed through a variety of methods, including spoken, sign, and written language. Many languages, including the most widely-spoken ones, have writing systems that enable sounds or signs to be recorded for later reactivation. Human language is highly variable between cultures and across time. Human languages have the properties of productivity and displacement, and rely on social convention and learning. Estimates of the number of human languages in the world vary between 5,000 and 7,000. Precise estimates depend on an arbitrary distinction established between languages and dialects.

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Project aims to expand language technologies

Decoding the secret language of photosynthesis

Decoding the secret language of photosynthesis

How the brain processes language

Monkeys' brains are wired to read body languageā€”just like ours

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The ancestral language of half the world reveals our shared culture

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Infants can recover language function after a stroke

Bills with research language more likely to advance through legislative process, researchers find

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After stroke in an infant's brain, right side of brain compensates for loss of language in left side

Eutelsat accuses Iran of jamming 2 Persian-language broadcast satellites

Gene mutation discovered that causes language impairment, ADHD and myasthenia

The Southern Arc: Vast Genetic Study Reveals Insights Into Migration Patterns and Language Development