Wild capuchin monkeys don’t thoughtlessly grab any handy piece of stone to crack open hard-shelled nuts at snack time. These slender, agile primates select the best tool for the job, a new study finds ...

Researchers observed chimpanzees in the forests of Bossou, Guinea, noting that these primates use two tools to crack nuts: a hammer and an anvil. A recent study shed new light on the evolution of tool ...

Impact wrenches are found in the tool chests of mechanics everywhere. They're commonly used for loosening lug nuts from cars and trucks, but they can also be used in any high-torque situation. Not to ...