Chii, the Japanese term for 'lichen', is widely used in contemporary East Asia. However, precisely when and by whom this term was first used to refer to lichen is not known. In addition, Japanese botanists from the 1880s to the 1950s had doubts regarding whether Chii was an accurate translation of lichen, given that Chii originally referred to moss that grows on the ground, whereas most species of lichens grow on barks of trees or on rocks. In this paper, the author shows that Li Shanlan and A. Williamson et al., in the late Qing dynasty of China, first used the term Chii to refer to lichen in Zhiwuxue, published in 1858. In Japan, Tanaka Yoshio, who was influenced by Zhiwuxue, first used the term Chii in 1872. However, further investigations led to the discovery that ITO Keisuke translated lichen as Risen in 1829. In 1836, UDAGA WA Yoan also translated lichen as Risen by using a different kanji (Chinese character) to represent sen. In 1888, in his article, MIYOSHI Manabu suggested a new equivalent term, Kisoukin, to refer to lichen (algae-parasitized fungi). In the article, he proposed the term Kyosei as the Japanese translation of symbiosis. Ever since the late 1880s, Kyosei has been used as the Japanese biological term for symbiosis.

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In the early years of the Cold War, both the United States and the Soviet Union used their nuclear power technology as a diplomatic tool for expanding their political influence on respective friendly nations. On December 8, 1953, the United States initiated a new international nuclear program with President Dwight D. Eisenhower's "Atoms for Peace Address" before the General Assembly of the United Nations. This program regarded Japan as one of the most promising countries that could introduce nuclear power plants since it consumed a huge amount of energy while being short of natural resources. This paper studies the historical process of the atomic energy agreement between Japan and the US in 1955 using declassified documents in both countries. It shows that in spite of various proposals of the introduction of nuclear power plants into Japan including that of Congressman Sydney Yates, the final agreement was only for research reactors because American authorities felt that such proposals might mean an admission of US guilt in atomic bombing. It also argues that the agreement was one of steps toward the hegemony of bureaucrats and politicians in Japanese nuclear policy that made the leadership of scientists, especially those of the Science Council of Japan, decline.

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The Pangenetic theory which holds that sperm comes from all the body seems to have been one of the most remarkable doctrines in Greek biology in the fifth and fourth centuries BC, since Aristotle gives a detailed description of the theory and criticizes it severely. The main sources of information about the Pangenetic theory are several medical treatises in the Hippocratic Corpus. There are only some mentions of it in the extant fragments ascribed to Democritus. It would be probable, therefore, that the theory had the origin of its theoretical form in the tradition of Greek medical science, and then came to the focus of attention among the Presocratic philosophers. Some scholars, on the other hand, claim that Democritus had a decisive role in the formation and development of the theory, which was then taken over by the Hippocratic doctors in their attempt to give a systematic explanation for some of the important genetic issues, such as the inheritance of similarities from parents to their children. It must be kept in mind, however, that Hippocratic doctors thought of particular fluids or humours with their inherent powers (δυναμειs) as the essential constituents of human body. This fact leads us to have an idea that the doctors had a completely different view of matter from the corpuscular theory, although Lesky (1950) and Lonie (1981) assume them to have been almost dependent on the atomism of Democritus. We can conclude that the Pangenetic theory came originally from Greek medical science, and then developed into the most influential doctrine before Aristotle.

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