Continuing the "Invention of Numbers" series. This time we discussed topics such as "Why was the decimal system invented?", "Isn't the duodecimal system more convenient?", and "When did humanity need huge numbers?" This is the oldest episode paying tribute to Ishikawa Takuboku. Previous episode here → • Are humans born good at arithmetic? The baby scaring experiment [Invention of Numbers 1] #46 [Contents] 0:00 The usual opening quiz. What is the origin of the word "five"? 0:57 The key to the invention of the decimal system was Ishikawa Takuboku 9:39 The dictionary geek's formative experience and "binding in the truth" 15:46 France's Ishikawa Takuboku was generous 20:53 Why were huge numbers invented? 24:31 If we had adopted the duodecimal system, there might have been world peace.31:38 The ultimate question: "Why fingers?"35:42 Preview of next episode [Reference links] 〇 "The invention of numbers: We made numbers and were made by numbers" https://amzn.to/2VRiRUp The seed book for this episode. A book written by the son of Daniel L. Everett, known for his research on the Pirahã language. It focuses on the invention of numbers. 〇 "Pirahã: A culture and world view that goes beyond the 'language instinct'" https://amzn.to/3yI9bKH A field study of the Pirahã ethnic minority in the Amazon by the father of Caleb Everett, author of "The invention of numbers." When he tried to spread Christianity, his values ​​were shaken so much that he ended up no longer believing in God and ended up divorcing his wife. 〇 "The human body: an evolutionary history of failure" https://amzn.to/2UeKaYD The story about ears was taken from here. Other than that, there are fun stories like "childbirth is dangerous because it is incompatible with bipedal walking". 〇 "New and clear etymology dictionary" https://amzn.to/2VPvy24 The origin of Japanese quantitative expressions can be found here. ○ "Sapiens: A Brief History of Humankind" https://amzn.to/3AT7TNL A super bestseller that goes without saying. A great book that explains everything about "why did humanity develop". ○ "Oxford Dictionary of English Word Origins" https://amzn.to/3y3sywN A book that awakens the joy of looking up words in a dictionary. 19,800 yen. [We have Twitter! ] There is a Twitter account for Yuru Linguistics Radio, so please follow it! Interesting etymological stories and other topics will be posted and your desire for knowledge will be satisfied. → / yuru_gengo [Letter form] https://forms.gle/mTGM7A9QNqgjZMgN7 *We look forward to receiving your fun letters! [Click here to request work! ] [email protected] [Profile of Horimoto Ken] Graduated from the Faculty of Science and Technology, Keio University. Specializes in information engineering. Earn a living by creating and littering the web with content. Current main source of income is "paid note magazine, which writes bad things about people in an academic way." Twitter→ / kenhori2 Note Magazine → https://note.com/kenhori2/m/m125fc452... Personal YouTube → / @kenhorimoto [Profile of Mizuno Taiki] Graduated from the Faculty of Letters, Nagoya University. Specializes in linguistics. Works as an editor at a certain major publishing company. You might think that his knowledge of linguistics is useful in his main job, but that's not the case. [BGM provided by] - Free BGM and music materials from MusMus https://musmus.main.jp - OtoLogic https://otologic.jp/ #inventionsofnumbers #YurulinguisticsRadio_inventionsofnumbers