A team of researchers observed sea otters in California over a decade to investigate how the sea mammals use stone tools to crack open their meals. One of their findings claimed that sea otters might be right-handed.
Earth/Environment March 16, 2019
Researchers revealed that East Africa might not be the cradle of humanity after ancient stone tools were found in Algeria. Instead, hominins and their tools independently evolved all over Africa.
Ancient December 1, 2018
The Neanderthals were able to produce their own fire. Researchers found microscopic wear on prehistoric stone tools that are produced by a type of rock-striking to produce sparks.
Ancient July 21, 2018
Capuchin monkeys in Brazil produce sharp stone flakes, a behavior believed to be unique to humans and their ancestors. The primates, however, do not see a purpose in these stone tools.
Animals October 19, 2016
Stone tools discovered in a former oasis in Jordan have animal residues such as blood. The discovery suggests early humans in Middle East have butchered animals for food.
Ancient August 10, 2016
Capuchin monkeys in Brazil use stone tools to open cashew nuts. Stone tools unearthed by archaeologists revealed these animals have been using tool technology for at least 700 years, before Christopher Columbus arrived in the New World.
Animals July 13, 2016
A new study suggests late Neanderthals not only buried their dead, but they also probably butchered and fashioned them into tools as well. The findings raise many questions about the lives of these prehistoric humans.
Ancient July 8, 2016
Clovis hunters were not the first inhabitants of North America after all, a new find suggests. Humans were butchering mastodons in Florida 15 centuries before their arrival.
Ancient May 14, 2016
Chimpanzees in West Africa exhibit stone-throwing behaviors, camera traps captured. Researchers said this practice may signify cultural elements and early sacred rituals.
March 5, 2016
Archaeologists have unearthed stone tools in Bear Creek in Redmond, Washington, which are said to have been created and used some 10,000 years ago. The new discovery may reveal details about the settlement, survival techniques and technology of ancient humans.
September 14, 2015
Human hands may have changed little from those of ancient ancestors while chimps' hands have continued to evolve, researchers say. The finding contradicts belief that human hands evolved as we began to create stone tools.
July 14, 2015
Scientists dig deep into caves to find out how humans' prehistoric ancestors used various tools in their day-to-day lives.
Animals June 16, 2015
A discovery shows our early ancestors were making tools long before the emergence of the modern human lineage, researchers say. Tools unearthed in Kenya date back to 3.3 million years ago.
Animals April 16, 2015
Scientists discover the older stone tools made by humans dating back to 3.3 million years in Kenya. The newly discovered tools are also 500,000 older than modern-day human species.
Animals April 16, 2015
By studying the hand bones of the Australopithecus africanus, researchers found that these ape-like human ancestors had human-like hands capable of using stone tools.
Animals January 23, 2015