Humans diverge significantly from other extant or living primates by anatomy, especially when it comes to the skull and jaws. Associated systems like voice production are also different. Two different studies reveal this week how humans have more vocal control than other primates, and how humans made chewing more efficient. ThePrint’s Sandhya Ramesh explains. Subscribe to the Pure Science Telegram Channel https://t.me/PureScienceWithSandhyaRamesh Sources and supplementary reading: Casteren AV et.al., Science Advances (2022). The cost of chewing: The energetics and evolutionary significance of mastication in humans DOI: 10.1126/sciadv.abn8351 Nishimura T et al., Science (2022) Evolutionary loss of complexity in human vocal anatomy as an adaptation for speech DOI: 10.1126/science.abm1574