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2 天前 · Bacteria (/ b æ k ˈ t ɪər i ə / ; sg.: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell.They constitute a large domain of prokaryotic microorganisms.Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats.
1 天前 · Enrico Fermi (1901–1954) The Fermi paradox is a conflict between the argument that scale and probability seem to favor intelligent life being common in the universe, and the total lack of evidence of intelligent life having ever arisen anywhere other than on Earth. The first aspect of the Fermi paradox is a function of the scale or the large ...
2 天前 · Lysergic acid diethylamide, commonly known as LSD (from German Lysergsäure-diethylamid), and known colloquially as acid or lucy, is a potent psychedelic drug.[12] Effects typically include intensified thoughts, emotions, and sensory perception.[13] At sufficiently high dosages, LSD manifests primarily mental, visual, and auditory ...
2 天前 · Google Earth. Google Earth is a computer program that renders a 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles. Users can explore the globe by entering ...
2 天前 · Recorded January 4, 1980. James Earl Carter Jr. (born October 1, 1924) is an American politician and humanitarian who served as the 39th president of the United States from 1977 to 1981. A member of the Democratic Party, Carter was the 76th governor of Georgia from 1971 to 1975, and a Georgia state senator from 1963 to 1967.
3 天前 · Name In English, the omission of the definite article in English ("Crimea" rather than "the Crimea") became common during the later 20th century. [citation needed]The spelling "Crimea" is from the Italian form, la Crimea, since at least the 17th century and the "Crimean peninsula" becomes current during the 18th century, gradually replacing the classical name of Tauric Peninsula in the course ...
1 天前 · The first documented use of the phrase "United States of America" is a letter from January 2, 1776. Stephen Moylan, a Continental Army aide to General George Washington, wrote to Joseph Reed, Washington's aide-de-camp, seeking to go "with full and ample powers from the United States of America to Spain" to seek assistance in the Revolutionary War effort.
