Researchers uncovered a 2.75–2.44 million-year-old site in Kenya showing that early humans maintained stone tool traditions for nearly 300,000 years despite extreme climate swings. The tools, ...

Imagine early humans meticulously crafting stone tools for nearly 300,000 years, all while contending with recurring ...

Learn how early hominins crafted the same sharp-edged Oldowan tools through 300,000 years of climate change, revealing one of ...

Certain inventions have dramatically transformed the way we live, communicate, and understand the world. Some groundbreaking ...