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Sildenafil, sold under the brand name Viagra, among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4] [8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. [9] It is unclear if it is effective for treating sexual dysfunction in females. [8]
Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy) The temperature of the photosphere is approximately 6,000 K, whereas the temperature of the corona reaches 1,000,000–2,000,000 K. The high temperature of the corona shows that it is heated by something other than direct heat conduction from the photosphere. It is thought that the energy ...
Today, there are over five million Native Americans in the United States, 78% of whom live outside reservations. The states with the highest percentage of Native Americans in the U.S. are Alaska, Oklahoma, New Mexico, South Dakota, Montana, and North Dakota.
Communism portal. Organized Labour portal. v. t. e. The Age of Enlightenment (also the Age of Reason and the Enlightenment) was the intellectual and philosophical movement that occurred in Europe in the 17th and the 18th centuries. [1] [2] The Enlightenment featured a range of social ideas centered on the value of knowledge learned by way of ...
It is owned and operated by TKO Group Holdings, a majority owned subsidiary of Endeavor Group Holdings. WWE personnel consists of professional wrestlers, managers, play-by-play and color commentators, ring announcers, interviewers, referees, trainers, producers, script writers, and various other positions. Executives and board members are also ...
NAICU. Mascot. Griffin. Website. www .reed .edu. Reed College is a private liberal arts college in Portland, Oregon, United States. Founded in 1908, Reed is a residential college with a campus in the Eastmoreland neighborhood, Tudor - Gothic style architecture, [5] and a forested canyon nature preserve at its center.
Google Translate is a web-based free-to-user translation service developed by Google in April 2006. [11] It translates multiple forms of texts and media such as words, phrases and webpages. Originally, Google Translate was released as a statistical machine translation service. [11] The input text had to be translated into English first before ...
Columbia University, officially Columbia University in the City of New York, is a private, Ivy League, research university in New York City, United States.Established in 1754 as King's College on the grounds of Trinity Church in Manhattan, it is the oldest institution of higher education in New York and the fifth-oldest in the United States and is considered one of the most prestigious ...