Adam’s Evolutionary Journey, pt. 2
The opening chapters of the Bible hint that language, empathy, and morality hold the keys to human uniqueness. What does science say? … The first steps toward human language required walking on two legs. In four-legged animals, breathing and running are synchronized to one breath per stride as the thorax braces for the impact of the front legs. Weightlifters do the same when they hold their breath before hoisting the bar. Bipedalism not only allowed the larynx to descend, it relieved the thorax of its support function while running, which allowed our early ancestors to coordinate their breathing, running, and […]
