CGP Grey is an Irish-American educational YouTuber, podcaster, and live streamer based in the United Kingdom who creates explanatory videos on subjects including politics, geography, economics, sociology, history, philosophy, and culture.
In lithic analysis in archaeology the cortex is the outer layer of rock formed on the exterior of raw materials by chemical and mechanical weathering processes.
Preferred languages to be displayed in the selection menus
Please note that, in order to improve your browsing experience on this website,
BabelNet® uses various types of cookies, including: browsing functionality,
performance and statistical cookies.
By continuing to browse the site you are agreeing to our use of cookies.
OK