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25: 🎂 The Timeline of Timekeeping, Origins of Speech, and the Birthday of Birthdays

Let's Learn Everything!

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Laryngeal Descent Is the Prerequisite for Speech

In 2000, a cognitive scientist called Ticumse Fitch published a study showing that larynx is temporarily loaded in loads of cicadas. This is so central to the theory that laryngeal descent is the prerequisite for speech. Other mammals do have descended larynx. Chimpanzees, lions, koalas, all have descendedLarynx. It might have evolved as a result of larger body-sized. So the larger animals got this because it was just an elongation of the human body that led to the larynx becoming more than the most vulnerable. What else could be helping us make sounds? You've already said it. Your tongues, your lips

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