In his book "A Short History of Nearly Everything," Bill Bryson discusses the remarkable journey of early humans who emerged over a million years ago. These upright beings, marked by their newfound intelligence and adaptability, ventured from their origins in Africa to explore distant regions around the world. This migration is significant as it sets the stage for the development of various cultures and civilizations.

By leaving Africa and expanding into diverse environments, these early humans laid the groundwork for future societies. Bryson emphasizes the boldness and curiosity of these ancestors, highlighting their crucial role in shaping the history of humanity as they populated different continents and evolved in response to various challenges and opportunities.