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One of historys biggest mysteries might have been solved – 35,000 years after it happened.
Looking back at human history often feels like trying to solve a mystery with half the pieces missing. We know certain early groups vanished while others thrived, leaving behind clues buried in the dirt. Now, researchers are using modern digital tools to uncover what truly happened.
A digital approach
A recent study led by Ariane Burke from the Université de Montréal (University of Montral) offers a new way to look at the disappearance of Neanderthals. Her team used digital ecology methods to map out how these ancient populations might have lived.
They focused on the period between 60,000 and 35,000 years ago, a time of wild weather swings. This was right around the time early modern humans arrived in Europe and the last Neanderthals faded away.
Instead of just blaming the cold or simple rivalries, the researchers found a complicated picture. They looked at how different groups moved and interacted across the landscape.
Safety in numbers
According to an article from the University of Montral, the team adapted tools usually meant for tracking animals to track prehistoric human habitats. They mapped out where populations could easily survive and connect.
Burke explained the process in a statement provided by the university. “Obviously, we don’t have precise demographic data for populations living 35,000 years ago, so we used ethnographic data from better-documented ancient hunter-gatherer groups to set parameters for the geomatics tools and generate these models,” she said.
It turns out early modern humans had highly connected territories. These links allowed them to lean on allied groups during tough times.
“These networks act as a safety net,” Burke noted in the research release. “They allow for the exchange of information on resources and animal migrations, the forming of partnerships, and temporary access to other territories in the event of a crisis.”
The weather factor
Neanderthals also had networks, but their regional links were much weaker in Central and Eastern Europe. When the climate shifted rapidly, this lack of connection became a serious problem.
“Climate variability appears to have played a major role. So it turns out that humans have been sensitive to environmental variability throughout our history,” Burke stated.
In western regions, Neanderthals had better connections and held on longer. However, the arrival of modern humans likely brought new challenges to a fragile situation.
“In western areas, the arrival of Homo sapiens may have added further stress, especially for Neanderthal populations that were already demographically vulnerable,” Burke explained. She added that interactions were likely complex, involving competition and occasional interbreeding.
Sources: Université de Montréal, ScienceDaily
