NEW YORK – Call them knockoffs. Rock-smashing monkeys in Brazil make stone flakes that look a lot like tools made by our ancient ancestors. Scientists watched as Capuchin monkeys in a national park ...
One year ago, Congress defunded public media. Now that we're 100% community funded, please become a sustaining member or increase your existing membership today. A stone tool found in the sand has ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results