Wikipedia:Main Page history/2014 January 18

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Mounted skeleton of the Nigersaurus

Nigersaurus (meaning "Niger reptile") is a genus of rebbachisaurid sauropod dinosaur that lived during the middle Cretaceous period, about 115 to 105 million years ago. It was discovered in the Elrhaz Formation in an area called Gadoufaoua, in Niger. Fossils of this dinosaur were first described in 1976, but it was only named in 1999. The genus contains a single species, N. taqueti, named after French palaeontologist Philippe Taquet, who discovered the first remains. At 9 m (30 ft) long—small for a sauropod—it weighed around 4 tonnes, comparable to a modern elephant. It had a wide muzzle filled with more than 500 teeth, which were replaced every 14 days. Unlike other tetrapods, its jaws were wider than the skull, its teeth were located far to the front, and it fed with its head close to the ground. It lived in a riparian habitat, and its diet probably consisted of soft plants, such as ferns, horsetails, and angiosperms. It is one of the most common fossil vertebrates found in the area, and shared its habitat with other dinosaurian megaherbivores, as well as large theropods and crocodylomorphs. (Full article...)

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January 18: Mawlid begins at sunset (Shia Islam, 2014); the Week of Prayer for Christian Unity begins

Legionella sp. under UV illumination

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Streisand Effect

The home of Barbra Streisand, an American singer and actress, in Malibu, California. In 2003 her attempts to suppress this photograph, taken for the California Coastal Records Project, led to the unintended consequence of publicizing the photograph much more widely; before Streisand filed her lawsuit, the image had been downloaded only six times (twice by Streisand's lawyers), whereas in the month after the lawsuit afterwards more than 420,000 people visited the site. The term "Streisand effect" evolved from the controversy and has been used to describe subsequent cases of the phenomenon.

Photograph: Kenneth and Gabrielle Adelman

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