Материалы по тегу «Diamond»
Arkhangelsk scientists are developing an emanation method based on the use of radon gas that can indicate the presence of kimberlite bodies in the diamond-rich regions of the country
Новый выпуск — №11 2021
«В мире науки»
What saints did the conquistadors pray to and why did they decide to conquer Mexico? What was the ethnic, regional, and age composition of the Conquista?