Animal sources with a significant content of vitamin B12 (range among top 20 sources of 50 to 99 µg per 100 grams) include clams,
organ meats (especially liver) from lamb, veal, beef, and turkey, fish eggs, mackerel, and crab meat.
智慧用思考照明宇宙 invite all people to the moment of εὕρηκα !
Walk like a bird / Sleep like a dog / Sit like a turtle ~
人生 gridlock ... mix & match ~
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bella, ciao! Hasta la vista, baby ~
暗物質= entropy@>光速度@<-273℃