17,000-Year-Old Sleds Challenge Notion of Wheel’s Invention Date
A groundbreaking discovery in White Sands, New Mexico, has revealed what may be the earliest evidence of human-pulled handcarts, predating the invention of the wheel by over 17,000 years. Researchers found fossilized footprints and parallel drag marks indicating that Ice Age humans used a travois, a wooden sled-like device, to carry heavy loads. The study … Read more