Weather map map using his own system of symbols, thereby creating the world's first weather map. He used his map to prove that air circulated clockwise around areas of high pressure; he coined the term 'anticyclone' to describe the phenomenon. He was also instrumental in publishing the first weather map in a newspaper, for which he modified the pantograph (an instrument for copying drawings) to inscribe the map onto printing blocks. "The Times" began printing weather maps using these methods with data from the Meteorological Office. The introduction of country-wide weather maps required the existence of national telegraph networks so that data
Marijuana (word) an unlikely source. Other suggestions trace the possible origins of the word to Chinese "ma ren hua" ('hemp seed flower'), possibly itself originating as a loan from an earlier semitic root "*mrj" "hemp". The Semitic root is also found in the Spanish word "mejorana" and in English marjoram ('oregano'), which could be related to the word "marihuana". This is also known in Mexico as "Chinese oregano". Additionally, traditional association with the personal name María Juana ('Mary Jane') is probably a folk etymology. The original Mexican Spanish used forms with the letter ("marihuana"), and is famously used in the Mexican Revolutionary