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Climate change is increasingly becoming a problem in the world today, with many experts struggling to find an answer to this problem. Experts have revealed that the warming planet may have led our ancestors to develop more sophisticated tools as a response to the climate.
Express reports researchers analyzed findings from the Sesselfelsgrotte cave in Lower Bavaria, coming to the conclusion that the warming planet at the time led the Neanderthals to develop more sophisticated tools. They produced tools made from wood and glass-like rock and sometimes combined the two to create objects like spears that have hardened points made out of stone. Around 100,000 artefacts were found in the cave as well as hunting remains.
Around 100,000 years ago, the tools these Neanderthals used for cutting and scraping were stone knives. Also referred to as Keilmessers, these knives came in many shapes, which led to scientists wondering why they would create stone knives that differed from one another.
“Keilmesser are a reaction to the highly mobile lifestyle during the first half of the last ice age. As they could be sharpened again as and when necessary, they were able to be used for a long time -- almost like a Swiss army knife today. However, people often forget that bi-facially worked knives were not the only tools Neanderthals had,” said Professor Thorsten Uthmeier ofthe Friedrich-Alexander-Universitat Erlangen-Nurnberg or FAU’s Institute of Prehistory and Early History.
Professor Uthmeier also noted that the fashioning of these tools were a result of the change in climate at the time. These climate changes involved cold phases that led to a shortage of natural resources.
Previously, experts have now warned about the status of the ice shelves in Antarctica as scientists have spotted fractures in these ice shelves. These would have serious consequences in the rising sea levels that come as a result of melting ice from the polar regions. These fractures would put the ice shelves at risk of collapsing.
Ice shelves also function as a barrier between the glaciers, keeping them from moving out into the sea. However, according to a study from the University of Edinburgh and international organizations, more than half, around 60 percent of these ice shelves in Antarctica are now at risk of collapsing. Should these ice shelves break, then sea levels could rise by one meter.
