Scientists Discover Driving Force in the Evolution of Speech - https://www.newsweek.com/scientists-discover-evolution-speech-1854505 Oldest known words have survived 15,000 years. They include “mother”, “not” and “to spit” - https://www.zmescience.com/research/discoveries/oldest-words-in-world/ What Baby Babble Can Teach Adults About Learning New Languages - https://nicenews.com/science/what-baby-babble-can-teach-adults-about-learning-new-languages/