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Callidina is a genus of freshwater rotifers in the family Philodinidae.
Berlin is the capital and largest city of Germany by both area and population. Its more than 3.85 million inhabitants make it the European Union's most populous city, according to population within city limits. The greater urban area of Berlin is one of the States of Germany. Berlin is surrounded by the State of Brandenburg and Brandenburg's capital Potsdam is nearby. Berlin's urban area has a population of around 4.5 million and is therefore the most populous urban area in Germany. The Berlin-Brandenburg capital region has around 6.2 million inhabitants and is Germany's second-largest metropolitan region after the Rhine-Ruhr region and the sixth biggest Metropolitan Region by GDP in the European Union.
Johann Carl Friedrich Gauss was a German mathematician, geodesist, and physicist who made significant contributions to many fields in mathematics and science. Gauss ranks among history's most influential mathematicians. He has been referred to as the "Prince of Mathematicians".
Germany, officially the Federal Republic of Germany, is a country in the western region of Central Europe. It is the second-most populous country in Europe after Russia, and the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the south. Its 16 constituent states have a total population of over 84 million, cover a combined area of 357,600 km2 (138,100 sq mi) and are bordered by Denmark to the north, Poland and the Czech Republic to the east, Austria and Switzerland to the south, and France, Luxembourg, Belgium, and the Netherlands to the west. The nation's capital and most populous city is Berlin and its main financial centre is Frankfurt; the largest urban area is the Ruhr.
German is a West Germanic language mainly spoken in Western and Central Europe. It is the most widely spoken and official or co-official language in Germany, Austria, Switzerland, Liechtenstein, and the Italian province of South Tyrol. It is also an official language of Luxembourg and Belgium, as well as a recognized national language in Namibia. Outside Germany, it is also spoken by German communities in France (Alsace), Czech Republic, Poland, Slovakia, and Hungary (Sopron).
Mary II was Queen of England, Scotland, and Ireland, co-reigning with her husband, William III and II, from 1689 until her death in 1694. She was also Princess of Orange following her marriage on 4 November 1677. Her joint reign with William over Britain is known as that of William and Mary.
Werner Karl Heisenberg was a German theoretical physicist and one of the main pioneers of the theory of quantum mechanics. He published his work in 1925 in a major breakthrough paper. In the subsequent series of papers with Max Born and Pascual Jordan, during the same year, his matrix formulation of quantum mechanics was substantially elaborated. He is known for the uncertainty principle, which he published in 1927. Heisenberg was awarded the 1932 Nobel Prize in Physics "for the creation of quantum mechanics".
George II was King of Great Britain and Ireland, Duke of Brunswick-Lüneburg (Hanover) and a prince-elector of the Holy Roman Empire from 11 June 1727 (O.S.) until his death in 1760.
William III, also widely known as William of Orange, was the sovereign Prince of Orange from birth, Stadtholder of Holland, Zeeland, Utrecht, Guelders, and Overijssel in the Dutch Republic from the 1670s, and King of England, Ireland, and Scotland from 1689 until his death in 1702. As King of Scotland, he is known as William II. He ruled Britain and Ireland alongside his wife, Queen Mary II, and their joint reign is known as that of William and Mary.
The phoenix is an immortal bird that cyclically regenerates or is otherwise born again. While it is part of Greek mythology, it has analogs in many cultures such as Egyptian and Persian. Associated with the sun, a phoenix obtains new life by rising from the ashes of its predecessor. Some legends say it dies in a show of flames and combustion, others that it simply dies and decomposes before being born again. In the Motif-Index of Folk-Literature, a tool used by folklorists, the phoenix is classified as motif B32.
In molecular physics and chemistry, the van der Waals force is a distance-dependent interaction between atoms or molecules. Unlike ionic or covalent bonds, these attractions do not result from a chemical electronic bond; they are comparatively weak and therefore more susceptible to disturbance. The van der Waals force quickly vanishes at longer distances between interacting molecules.
Der Spiegel is a German weekly news magazine published in Hamburg. With a weekly circulation of about 724,000 copies in 2022, it is one of the largest such publications in Europe. It was founded in 1947 by John Seymour Chaloner, a British army officer, and Rudolf Augstein, a former Wehrmacht radio operator who was recognized in 2000 by the International Press Institute as one of the fifty World Press Freedom Heroes.
The Austrian Empire, officially known as the Empire of Austria, was a multinational European great power from 1804 to 1867, created by proclamation out of the realms of the Habsburgs. During its existence, it was the third most populous monarchy in Europe after the Russian Empire and the United Kingdom. Along with Prussia, it was one of the two major powers of the German Confederation. Geographically, it was the third-largest empire in Europe after the Russian Empire and the First French Empire.
James William Van Der Beek is an American actor. Known for his portrayal of Dawson Leery on The WB's Dawson's Creek (1998–2003), he also played a fictionalized version of himself on the cult ABC sitcom Don't Trust the B---- in Apartment 23 (2012–2013), starred on CSI: Cyber as FBI Agent Elijah Mundo (2015–2016), and appeared as Matt Bromley on the first season of the FX drama Pose (2018). His film credits include Varsity Blues (1998), Texas Rangers (1999), The Rules of Attraction (2002), Formosa Betrayed (2009), Labor Day (2013), and Bad Hair (2020).
Edwin van der Sar is a Dutch football executive and former professional player who was most recently the chief executive of Ajax, with whom he began his senior playing career in the early 1990s; he is considered to be a member of the club's golden generation and was part of the Ajax team that won the UEFA Champions League in 1995. A goalkeeper, he left Ajax for Juventus in 1999, where he spent two years before moving to England, first to Fulham and then to Manchester United in 2005. There he won a second Champions League title in 2008, making him one of just eight players at the time to have won the competition with more than one club. He retired as a professional in 2011, but briefly came out of retirement in 2016 to play a match for Dutch amateur team VV Noordwijk, for whom he had previously played as a youth. He played 130 times for the Netherlands national team, and was the nation's most-capped player until 2017, when he was overtaken by Wesley Sneijder.
Rafael Ferdinand van der Vaart is a Dutch former professional footballer who played as an attacking midfielder.
The Autobahn is the federal controlled-access highway system in Germany. The official German term is Bundesautobahn, which translates as 'federal motorway'. The literal meaning of the word Bundesautobahn is 'Federal Auto(mobile) Track'.
Ursula Gertrud von der Leyen is a German physician and politician serving as the 13th president of the European Commission since 2019. She served in the German federal government between 2005 and 2019, holding successive positions in Angela Merkel's cabinet, most recently as minister of defence. Von der Leyen is a member of the centre-right Christian Democratic Union (CDU) and its EU affiliated group, the European People's Party (EPP).
Grimms' Fairy Tales, originally known as the Children's and Household Tales, is a German collection of fairy tales by the Grimm brothers or "Brothers Grimm", Jacob and Wilhelm, first published on 20 December 1812. Vol. 1 of the first edition contained 86 stories, which were followed by 70 more tales, numbered consecutively, in the 1st edition, Vol. 2, in 1815. By the seventh edition in 1857, the corpus of tales had expanded to 200 tales and 10 "Children's Legends". It is listed by UNESCO in its Memory of the World Registry.
Natalee Ann Holloway was an 18-year-old American high school senior whose disappearance made international news after she vanished on May 30, 2005, in Aruba. Holloway lived in Mountain Brook, Alabama, and graduated from Mountain Brook High School on May 24, 2005, days before the trip. Her disappearance resulted in a media sensation in the United States. The prime suspect, Joran van der Sloot, has made conflicting statements over the years about his involvement, including a confession to killing her. Her remains have not been found.