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The development of projectile technology was a fundamental step in the transition from scavenging to hunting, providing hunters with more reliable access to meat, enabling killing at greater distances and a potential broadening of the human niche. Understanding when and where projectile innovations occurred remains a challenge, as organic components of projectile technology seldom preserve. Consequently, archaeologists have explored tip fractures as a potential means of identifying the speed of projectile impacts and thus the likely weapon systems employed in the past. This paper introduces a ...

Edge-glossed flakes, usually recognised as stone tools with macroscopically visible polish from use, have been documented in parts of Southeast Asia from contexts spanning the past 12,000 years and possibly more than 30,000 years. It has been proposed that the edges of these flakes were polished by cutting, splitting or otherwise processing siliceous and fibrous plants for matting, basketry and bindings, and possibly by the reaping of cereals such as rice. Previous studies of use-wear on edge-glossed flakes in Southeast Asia have suggested several tool functions, including the cutting, splitti...