Did Our Human Ancestors and Neanderthals Share a Common Culture?

Scientists have discovered new clues about how our ancient human ancestors and Neanderthals may have lived side by side thousands of years ago. A new study published in a major science journal suggests that the two groups may have shared some of the same cultural habits and ways of life. Researchers found the evidence inside a cave in the country now called Türkiye. The findings are changing what experts thought they knew about Neanderthals and early modern humans.

Scientists have known for a long time that early Homo sapiens — the species that modern humans belong to — and Neanderthals lived at the same time. The two groups coexisted for thousands of years before Neanderthals went extinct about 40,000 years ago. They even had children together, which is why most people alive today carry a small amount of Neanderthal DNA in their genes. But scientists have not always agreed on how much the two groups actually interacted or had things in common.

The new study focuses on a cave called Üçağızlı II, located in what is now Türkiye. Fossils found inside the cave show that Neanderthals lived there from about 77,000 to 59,000 years ago. After that, early modern humans moved in and lived there until about 47,000 years ago. The two groups were not in the cave at the exact same time, but the clues they left behind tell a very interesting story.

Researchers found that even though the groups lived in the cave at different times, their tools and habits looked remarkably alike. The fossils were found in different layers of dirt inside the cave, which showed they lived there at different periods. But the stone tools, hunting methods, and general ways of life were very similar between the two groups. Lead author İsmail Baykara, a professor at Gaziantep University in Türkiye, said the similarities were striking.

One of the biggest surprises was that both groups appeared to collect the same type of small sea creature called Columbella rustica, a kind of mollusk found along the Mediterranean coast. Many other types of shells were available nearby, but both Neanderthals and modern humans seemed to prefer this one specific species. Scientists think both groups may have used the shells for decoration, though more research is still needed to know for sure. This kind of symbolic behavior — using objects for meaning rather than just survival — was previously thought to belong only to modern humans.

Baykara said this discovery forces scientists to rethink what they believed about the mental abilities and cultural lives of Neanderthals. For a long time, many researchers thought Neanderthals were far less advanced than modern humans. This new evidence suggests that Neanderthals may have had a richer inner life than previously believed. The study encourages scientists to keep an open mind about what early human relatives were truly capable of.