From Stone Age chips to microchips: How tiny tools may have made us human

Anthropologists have long made the case that tool-making is one of the key behaviors that separated our human ancestors from other primates. A new article, however, argues that it was not tool-making that set hominins apart -- it was the miniaturization of tools.

from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190312123733.htm