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These featured pictures, as scheduled below, appeared as the picture of the day (POTD) on the English Wikipedia's Main Page in May 2005.
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May 1
A diagram of movement within a roundabout in a country where traffic drives on the left. A roundabout is a type of road junction, or traffic calming device, at which traffic streams circularly around a central island after first yielding to the circulating traffic. Unlike with traffic circles, vehicles on a roundabout have priority over the entering vehicle, parking is not allowed and pedestrians are usually prohibited from the central island. Image credit: Fredrik and Mintguy |
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May 2
True tarantulas are all spiders of the family Theraphosidae, sometimes called bird spiders or monkey spiders, which are native to South America and Central America. However the name 'tarantula' is often loosely applied to a range of large spiders. The name was originally applied to the Wolf spider Lycosa tarantula, found near the town of Taranto in Southern Italy, that was once believed to cause a fatal condition called tarantism. Photo credit: Fir0002 |
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May 3
Three types of cell reproduction; Binary fission and reproduction involving mitosis or meiosis. In the context of reproduction of living cells, "cell growth" refers to the "growth in cell numbers by means of cell reproduction." During cell reproduction one cell (the "parental" cell) divides to produce daughter cells. In other contexts, "cell growth" refers to increases in cell size. Image credit: John Schmidt |
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May 4
A timed exposure of the first Space Shuttle mission, STS-1. The shuttle Columbia stands on launch pad A at Kennedy Space Center, the night before launch. The objectives of the maiden flight were to check out the overall Shuttle system, accomplish a safe ascent into orbit and to return to Earth for a safe landing. Photo credit: NASA |
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May 5
A large Australian garden orb weaver spider sits perched on its web, eating a bee. The bee was caught on the sticky web, then encased in a cocoon-like shell before being consumed by the large spider. The spider's large, rounded body is especially notable. Photo credit: Fir0002 |
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May 6
The skyline of the City of Chicago seen from across Lake Michigan near the Adler Planetarium at dusk. Chicago is the third largest city in the United States (after New York City and Los Angeles), with an official population of 2.9 million.
Photo credit: AllyUnion |
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May 7
Spot Fetcher — U.S. President George W. Bush's dog. The English Springer Spaniel is a gun dog used for flushing and retrieving game. This spaniel is an older breed, appearing in paintings as early as the 1600s. It is possibly the ancestor of most modern spaniels; Springer spaniels and cocker spaniels were not recognized as separate breeds until the 1800s. Photo credit: Paul Morse |
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May 8
The Tower of Hanoi is a mathematical game or puzzle, in which a stack of different sized disks have to be moved between three pegs whilst obeying a simple set of stacking rules. The puzzle was invented by Edouard Lucas in 1883, but today it is most popular as an introductory algorithm problem in computer science. Image credit: Aka |
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May 9
Che Guevara statue at the site of his death in Bolivia. Che Guevara was an Argentine-born Marxist revolutionary and Cuban guerrilla leader. Guevara was a member of Fidel Castro's 26th of July Movement, which seized power in Cuba in 1959. After the revolution Guevara became second only to Fidel Castro in the new government of Cuba. Photo credit: Augusto Starita |
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May 10
A magnification series of a snow crystal using a low temperature scanning electron microscope with magnification up to 100,000X, compared to 30X – 500X available with a light microscopes. Snow samples are very fragile and exposure to the light necessary to photograph them, using light microscopes, can damage the crystals and even melt them. A low temperature SEM operating at -170°C avoids disturbing the structure. Photo credit: USDA Beltsville Agricultural Research Unit |
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May 11
Red sky at night, sailors delight. Red sky in the morning, sailors take warning. Photo credit: Denni Windrim |
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May 12
A Von Kármán vortex street is a repeating pattern of vortices commonly produced as air, or a fluid, flows past a fixed obstacle. The effect is named after the aerodynamicist Theodore von Kármán, who accidentally discovered it in 1911 during pioneering wind tunnel investigations to determine the best shape for spars in a biplane's wing. Animation credit: Cesareo de La Rosa Siqueira |
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May 13
The Radcliffe Camera in Oxford, England was built by James Gibbs between 1737 and 1749 to house the Radcliffe Science Library. The building was funded by a £40,000 bequest from John Radcliffe. After the Radcliffe Science Library eventually moved into another building, the Radcliffe Camera became a reading room of the Bodleian Library. It now holds books from the English and History collection. Photo credit: Michael Reeve |
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May 14
The Sahara, in northern Africa, is the world's second largest desert (second to Antarctica). Its name is an English pronunciation of the Arabic word for desert (صحراء pronunciation). 2.5 million people live in the Sahara, most of these in Mauritania, Morocco and Algeria. The largest city is Nouakchott, Mauritania's capital. Photo credit: NASA |
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May 15
The Madrid metro is the large metro system serving Madrid, the capital of Spain. It is one of the largest metro systems in the world, despite Madrid having a population of only four million. The metro opened in 1919 under the direction of the Compañía de Metro Alfonso XIII. Metro stations served as air raid shelters during the Spanish Civil War. Image credit: Montrealais |
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May 16
The is a member of Curculionidae — the family of the "true" weevils (or snout beetles). With over 60,000 species described worldwide, it is the largest of beetle families. Weevils are almost entirely plant feeders, and most species are associated with a narrow range of hosts, in many cases only living on a single species. Photo credit: Keith Weller of the US ARS |
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May 17
Soldiers of an Australian 4th Division field artillery brigade on a duckboard track passing through Chateau Wood, near Hooge in the Ypres salient, October 29, 1917. The photo was taken in the vicinity of the Battle of Passchendaele, also known as the Third Battle of Ypres, which was one of the major battles of World War I. Photo credit: James Francis Hurley |
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