Oddly etched Neolithic arrowheads baffle archaeologists in Turkey

A set of carefully etched obsidian arrowheads stick out among other similar artifacts, but archaeologists in central Turkey have still amassed dozens of them over the last 40 years. Following excavation work at a site in Anatolia known as Tepecik-Çiftlik, researchers from France’s Aix Marseille Université have catalogued and described another 11 examples of the weapon tips in a recently published study in the journal PLOS One. But while 54 similar arrowheads—some crafte