Reference: 164 Title: Early Bow and Arrows Offer Insight Into Origins of Human Intellect Summary: Archaeological findings from South Africa's Pinnacle Point cave reveal stone blades from 71,000 years ago, indicating early bow and arrow technology. URL: https://www.smithsonianmag.com/science-nature/early-bow-and-arrows-offer-insight-into-origins-of-human-intellect-112922281