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Hace 3 días · Astronomers have thought about looking for life on exoplanets by looking for oxygen. They started with this strategy because on Earth, life-forms made most of the oxygen in our atmosphere. Maybe ...
Hace 2 días · A Fermi estimate is one done using back-of-the-envelope calculations and rough generalizations to estimate values which would require extensive analysis or experimentation to determine exactly.
Hace 4 días · evolution, theory in biology postulating that the various types of plants, animals, and other living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations. The theory of evolution is one of the fundamental keystones of modern biological theory.
Hace 2 días · Unit 731 (Japanese: 731部隊, Hepburn: Nana-san-ichi Butai), short for Manchu Detachment 731 and also known as the Kamo Detachment: 198 and the Ishii Unit, was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that engaged in lethal human experimentation and biological weapons manufacturing during the Second Sino-Japanese War (1937–1945 ...
Hace 2 días · Page from the Gospel of Judas. Mandaean Beth Manda ( Mashkhanna) in Nasiriyah, southern Iraq in 2016, a contemporary-style mandi. Gnosticism (from Ancient Greek: γνωστικός, romanized:gnōstikós, Koine Greek: [ɣnostiˈkos], 'having knowledge') is a collection of religious ideas and systems that coalesced in the late 1st century AD ...
Hace 5 días · 伊曼努尔·康德 （德语： Immanuel Kant ； 德语发音： [ɪˈmaːnu̯eːl ˈkant] ；1724年4月22日—1804年2月12日）为 启蒙时代 著名 德意志 哲学家， 德国古典哲学 创始人，其学说深深影响近代西方 哲学 ，并开启了 德国唯心主义 和 康德义务主义 等诸多流派 [10 ...
Hace 4 días · The task of strategic bombing fell on the United States Strategic Air Forces in the Pacific (USASTAF)—a formation which comprised the Eighth and Twentieth air forces, as well as the British Tiger Force.
