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zh Historia i autorzy | źródło tekstu - Wikipedia | Edycja Strona jest mirrorem encyklopedii Wikipedia. Oryginalna encyklopedia znajduje się pod adresem wikipedia.org
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Today's featured article
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Did you know...
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From Wikipedia's newest articles:

- ... that Nubian queen Amanitore (relief pictured) ruled over so much building work that her reign is considered the most prosperous time in Meroitic history?
- ... that the MC-1 bomb was the first non-clustered U.S. chemical weapon?
- ... that first-class cricketer Bryan Lobb was such a poor judge of a run that he was once run out by a fielder who overtook him as he strolled down the wicket?
- ... that after the Mexican War of Independence, the influence of positivists led to a renaissance of scientific activity in Mexico?
- ... that Gillfield Baptist Church, Virginia, the second oldest black congregation in Petersburg, USA, resisted a consolidation with the white congregation at Market Street Church in 1829?
- ... that the Slavic Silesian Duke and monastic patron Bolko I encouraged German settlement in his region and patronised German poetry?
- ... that the 1916 Early Modern Dodge House in West Hollywood, California, called one of the fifteen most significant houses in the United States, was demolished in 1970 to make way for apartments?
- ... that Fritz Otto Bernert, World War I flying ace, scored five victories in a twenty-minute timespan, earning the one-armed pilot the Pour le Merite in 1917?
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In the news
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- Russian state-controlled supplier Gazprom cuts off gas deliveries to Ukraine, with several European countries reporting a fall in supplies.
- John Atta Mills (pictured) of the National Democratic Congress is elected President of Ghana.
- The 2009 Dakar Rally, the first to take place outside of Europe and Africa, begins in Buenos Aires, Argentina.
- The Sri Lankan military seizes control of Kilinochchi, the de facto capital of the Tamil Tigers.
- Slovakia adopts the euro, replacing the koruna, and becomes the 16th member of the Eurozone.
- In Bangkok, Thailand, a fire at a nightclub kills 61 people and injures 212.
- The discovery of a bed of dinosaur fossils near Zhucheng in Shandong, China, believed to be the world's largest fossil site, is announced.
- Israeli and Hamas forces resume fighting in Gaza after a six-month ceasefire.
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On this day...
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Today's featured picture
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An example of guttation, the appearance of drops of xylem sap on the tips or edges of leaves of some vascular plants, on an Equisetum. At night, transpiration usually does not occur because most plants have their stomata closed. When there is a high soil moisture level, water will enter plant roots, because the water potential of the roots is lower than in the soil solution. The water will accumulate in the plant creating a slight root pressure. The root pressure forces some water to exude through special leaf tip or edge structures, hydathodes, forming drops. Guttation is not to be confused with dew, which condenses from the atmosphere onto the plant surface.
Photo credit: Luc Viatour
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