Russia π·πΊ @Russia
π¨βπ¬#OTD in 1748, Russian scientist Mikhail #Lomonosov was the 1st to formulate the "general natural law", aka the law of mass conservation. βοΈ He said: βAll changes in nature occur in such a way that if something is added to something, then it is taken away from something else.β https://t.co/eCxRTdCPGN — PolitiTweet.org