Speech may be older than thought (20 million years?)

This is interesting:

This work leads us to think that speech could have emerged before the 200,000 years ago that linguists currently assert.

…if the emergence of articulated speech is no longer dependent on the descent of the larynx, which took place about 200,000 years ago, scientists can now envisage much earlier speech emergence, as far back as at least 20 million years, a time when our common ancestor with monkeys lived, who already presumably had the capacity to produce contrasted vocalizations.

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