Archaeologists working at an ancient site in central China have uncovered evidence that early humans may have become more inventive while living through a brutal ice age. The discovery comes from the Lingjing archaeological site, where researchers have spent more than 10 years excavating animal bones and sophisticated stone tools linked to an extinct human relative called Homo juluensis . A new study found that the site dates back about 146,000 years, placing it squarely within a cold glacial period rather than a warmer era as scientists once believed. The findings challenge the long-standing idea that creativity and technological advances mainly developed during times of environmental stability and abundance. "People often imagine creativity as something that flourishes in good times," says Yuchao Zhao, the assistant curator of East Asian archaeology at the Field Museum in Chicago and the lead author of a paper describing the findings in the Journal of Human Evolution.…