Simplified voice box enriches human speech. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2022 / 08 / 220811143022.htm. Kyoto University.

The loss of small tissue structures from the voice box may have been essential for the evolution of human speech.. In a study of 43 non-human primates, all the animals had “vocal membranes”, a ...