Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago.

It does not pay to underestimate a monkey with a rock. Scientists studying the stone-smashing habits of bearded capuchin monkeys in Brazil have found that the primates inadvertently produce stone ...

Have you ever found yourself in a museum's gallery of human origins, staring at a glass case full of rocks labeled "stone tools," muttering under your breath, "How do they know it's not just any old ...

Our ancient ancestors weren’t fumbling with crude rocks. A groundbreaking archaeological discovery in Kenya reveals they had mastered a stone tool technology so effective that they stuck with it for ...

In 2014, Michael Haslam wedged between two boulders in northeast Brazil and filmed some monkeys. Oblivious to the voyeur, the monkeys—bearded capuchins—began smashing stones together. They lifted ...

Have you ever wondered how you might survive out in the wild with absolutely nothing and everything you needed had to be either gathered, hunted, or handcrafted? How would you make the necessary tools ...

Sharp stone technology chipped over three million years allowed early humans to exploit animal and plant food resources. But how did the production of stone tools -- called 'knapping' -- start?

Add Yahoo as a preferred source to see more of our stories on Google. Stone tools are deliberately made by the hands of hominins, like these worked on by the author. John K. Murray Have you ever found ...