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Gold is a chemical element with the symbol Au (from the Latin word aurum) and the atomic number 79. In its pure form, it is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal, a group 11 element, and one of the noble metals. It is one of the least reactive chemical elements ...
Xi Jinping (/ˈʃiː dʒɪnˈpɪŋ/, or often /ˈʒiː/; Chinese: 习近平; pinyin: Xí Jìnpíng, pronounced [ɕǐ tɕîn.pʰǐŋ];[a] born 15 June 1953) is a Chinese politician who has been the general secretary of the Chinese Communist Party (CCP) and chairman of the Central Military Commission (CMC), and thus the paramount leader of ...
according to International Monetary Fund estimates [n 1] [1] Countries by nominal GDP in 2019 [n 2] > $20 trillion. $10–20 trillion. $5–10 trillion. $1–5 trillion. $750 billion – $1 trillion. $500–750 billion. $250–500 billion.
The golden ratio was called the extreme and mean ratio by Euclid, and the divine proportion by Luca Pacioli, and also goes by several other names. Mathematicians have studied the golden ratio's properties since antiquity. It is the ratio of a regular pentagon's diagonal to its side and thus appears in the construction of the dodecahedron and icosahedron.
Germany,[e] officially the Federal Republic of Germany,[f] is a country in the western region of Central Europe. It is the second-most populous country in Europe after Russia[g] and the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the south. Its 16 constituent ...
The archaic human species of Homo erectus arrived in Eurasia sometime between 1.3 and 1.8 million years ago (Ma) and numerous remains of its subspecies have been found in what is now China. The oldest of these is the southwestern Yuanmou Man (元谋人; in Yunnan), dated to c. 1.7 Ma, which lived in a mixed bushland-forest environment alongside chalicotheres, deer, the elephant Stegodon ...
Hong Taiji proclaimed the Great Qing dynasty in 1636. There are competing explanations as to the meaning of the Chinese character 清; qīng; 'clear', 'pure' in this context.One theory posits a purposeful contrast with the Ming: the character 明; Míng is associated with fire within the Chinese zodiacal system, while 清 is associated with water, illustrating the triumph of the Qing as the ...
