Archaeologists are still getting headaches from monkeys cracking nuts 50,000 years ago. According to a new analysis of Stone Age tools in Brazil, the debate over when humans first arrived in the Americas may have been hijacked by some rather handy capuchin monkeys. The study authors concluded that the Pleistocene era artifacts were most likely fashioned by the fuzzy little … [Read more...] about Monkeys Could Have Created Stone Age Tools in Brazil