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5 天前 · e. The Oxford–AstraZeneca COVID‑19 vaccine, sold under the brand names Covishield [31] and Vaxzevria [1] [32] among others, is a viral vector vaccine for the prevention of COVID-19. It was developed in the United Kingdom by Oxford University and British-Swedish company AstraZeneca, [33] [34] [35] using as a vector the modified chimpanzee ...
23 小時前 · The United States is a leader in the development of artificial intelligence technology and has maintained a space program since the late 1950s, with plans for long-term habitation of the Moon. [309] [310] In 2022, the United States was the country with the second-highest number of published scientific papers. [311]
23 小時前 · The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States between the Union [e] ("the North") and the Confederacy ("the South"). The Confederacy had been formed by states that had seceded from the Union. The central conflict leading to the war was the dispute over whether slavery ...
23 小時前 · 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.
1 天前 · Cold War. The Cold War was a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc, that started in 1947, two years after the end of World War II and lasted to 1991, the fall of the Soviet Union.
1 天前 · Data in the 2010 columns comes from Health Data. [11] Overall, life expectancy at birth in Hawaii, Washington, California, and New York (state) are among the longest in the nation, while life expectancy at birth in Mississippi, American Samoa, and West Virginia are among the shortest in the nation.
23 小時前 · Independent Party of Oregon – 137,972. Oregon Progressive Party – 3,213. Others – 16,703. ^ "Other" political affiliations listed as follows: American Independent Party – 85,243. United Utah – 3,087. Forward Party – 65. ^ Includes three Independent Senators who all caucus with the Democratic Party.
