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The Grand Canyon ( Hopi: Öngtupqa, [2] Yavapai: Wi:kaʼi:la, Navajo: Bidááʼ Haʼaztʼiʼ Tsékooh, [3] [4] Southern Paiute language: Paxa’uipi, [5] Spanish: Gran Cañón or Gran Cañón del Colorado) is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is 277 miles (446 km) long, up to 18 miles ...
Twenty One Pilots [a] are an American musical duo from Columbus, Ohio. Initially a band, the group was formed in 2009 by lead vocalist Tyler Joseph along with Nick Thomas and Chris Salih, who both left in 2011. Since their departure, the line-up has consisted of Joseph and drummer Josh Dun. The duo is best known for their singles " Stressed Out ...
Marie Antoinette. Marie Antoinette ( / ˌæntwəˈnɛt, ˌɒ̃t -/; [1] French: [maʁi ɑ̃twanɛt] ⓘ; Marie Antoinette Josèphe Jeanne; 2 November 1755 – 16 October 1793) was the last queen of France prior to the French Revolution. She was born an archduchess of Austria, and was the penultimate child and youngest daughter of Empress Maria ...
Hydroxychloroquine. Hydroxychloroquine, sold under the brand name Plaquenil among others, is a medication used to prevent and treat malaria in areas where malaria remains sensitive to chloroquine. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda.
Nikola Tesla ( / ˈtɛslə /; [2] Serbian Cyrillic: Никола Тесла, [nǐkola têsla]; 10 July [ O.S. 28 June] 1856 – 7 January 1943) was a Serbian-American [3] [4] inventor, electrical engineer, mechanical engineer, and futurist. He is known for his contributions to the design of the modern alternating current (AC) electricity supply ...
The bald eagle ( Haliaeetus leucocephalus) is a bird of prey found in North America. A sea eagle, it has two known subspecies and forms a species pair with the white-tailed eagle ( Haliaeetus albicilla ), which occupies the same niche as the bald eagle in the Palearctic. Its range includes most of Canada and Alaska, all of the contiguous United ...
Carbon dioxide is a greenhouse gas. It absorbs and emits infrared radiation at its two infrared-active vibrational frequencies. The two wavelengths are 4.26 μm (2,347 cm −1) (asymmetric stretching vibrational mode) and 14.99 μm (667 cm −1) (bending vibrational mode).
The Israel Defense Forces ( IDF; Hebrew: צְבָא הַהֲגָנָה לְיִשְׂרָאֵלTsva ha-Hagana le-Yisra'el ⓘ, lit.'The Army of the Defense for Israel' ), alternatively referred to by the Hebrew-language acronym Tzahal ( צה״ל ), is the national military of the State of Israel. It consists of three service branches: the ...