China scientists argue that harsh settings, not warm climates, drive early human creativity

Archaeologists in central China have directly challenged the long-held belief that humanity’s earliest ancestors reached their creative peak during warm and hospitable climates.For more than a decade, a team of researchers in Henan province has studied a 146,000-year-old animal-butchering site once inhabited by Homo juluensis, an extinct human species that lived about 300,000 years ago in eastern Asia. Their discovery of remarkably inventive tools suggests that these ancient cousins of Homo sapiens were driven to technological innovation by challenging environmental conditions.Yuchao Zhao, the lead author of a new paper published in the Journal of Human Evolution, said in a statement: “People often imagine creativity as something that flourishes in good times. Finding out that these stone tools were made during a harsh ice age tells a different story. Hard times can force us to adapt.”Neanderthals engaging in a feast during prehistoric times, as depicted in L’Homme Primitif, published in 1870. Photo: Universal History Archive/Universal Images Group via Getty ImagesMoreover, these tools indicate that ancient humans in East Asia during the Middle Pleistocene (about 120,000 to 300,000 years ago) were more technologically advanced than previously assumed. Until now, it was widely believed that humans in this region lagged behind their counterparts in Africa and Europe.The stone tools, while simple, were created by striking smaller stones against larger ones in a process that the scientists noted would have required planning and the eventual development of a manufacturing technique.Furthermore, the team indicated that the stones were shaped into various forms, suggesting that the tools were not created by simply smashing rocks together; rather, the makers understood how the materials would interact.“The underlying logic of this system – and the cognitive abilities it reflects – shows important similarities to Middle Palaeolithic technologies often associated with Neanderthals in Europe and with human ancestors in Africa, suggesting that advanced technological thinking was not limited to Western Eurasia,” Zhao explained.Homo juluensis is a proposed extinct cousin of modern humans, meaning they may not have actually existed. However, if they did, scientists believe they occupied much of East Asia. This species may have belonged to what is referred to as the “muddle of the middle,” a term used to define the various types of humans as Homo erectus gradually evolved into Homo sapiens.These reconstructed rocks represent ancient tools, showing that while stone tools may seem simple, their creation required striking smaller stones against larger ones — a process that necessitated planning and the evolution of manufacturing techniques. Photo: Journal of Human EvolutionIf they existed, Homo juluensis would have been characterised by their low, wide skulls, which were particularly large and seemed to contain a significant brain. There is also evidence that this species may have interacted with Homo sapiens.The site, known as Lingjing, is believed to have been where Homo juluensis butchered animals, such as deer, after successful hunts, indicating a significant number of bones were also present in the area.By analysing the bones, scientists determined that the site is about 20,000 years older than previously estimated – a period that coincided with a significant freeze. This suggests that the inhabitants endured a harsh, cold environment.“We used to think these tools were made 126,000 years ago, during a warm interglacial period, but based on the new dates suggested by the crystals, some of these tools were actually produced 146,000 years ago, during a harsh, cold glacial period,” Zhao stated.Researchers have used calcite crystals found in fossilised animal bones to accurately date ancient tools. Photo: Courtesy of Zhangyang Li, a professor at Shandong University in ChinaThe evidence challenges a historical truism that periods of abundance fuel innovation, as seen in breakthrough moments like the Industrial or Digital Revolutions. This idea suggests that the luxury of time – and later, money – enables significant social breakthroughs.Further ReadingHowever, necessity can also ignite innovation. Homo juluensis may have sought various means to improve butchering efficiency for survival. This existential need likely spurred creative solutions that exceeded what was previously thought possible for that era.“Altogether, this research reveals a much richer story of innovation, intelligence, and human evolution in East Asia,” Zhao concluded.