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Cave Bear
The cave bear (''Ursus spelaeus'') is a prehistoric species of bear that lived in Europe and Asia during the Pleistocene and became extinct about 24,000 years ago during the Last Glacial Maximum. Both the word ''cave'' and the scientific name ''spelaeus'' are used because fossils of this species were mostly found in caves. This reflects the views of experts that cave bears spent more time in caves than the brown bear, frequently using them to hibernate during the winter months. Unlike brown bears, cave bears are thought to have been almost entirely or exclusively herbivorous. Cave bears exhibit a great degree of size, morphological and genetic variability, and Late Pleistocene cave bears are often (though not universally) considered to be species complex of up to 6 different species. Taxonomy Cave bear skeletons were first described in 1774 by Johann Friedrich Esper, in his book ''Newly Discovered Zoolites of Unknown Four Footed Animals''. While scientists at the time considere ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pleistocene
The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed in 2009 by the International Union of Geological Sciences, the cutoff of the Pleistocene and the preceding Pliocene was regarded as being 1.806 million years Before Present (BP). Publications from earlier years may use either definition of the period. The end of the Pleistocene corresponds with the end of the last glacial period and also with the end of the Paleolithic age used in archaeology. The name is a combination of Ancient Greek () 'most' and (; Latinized as ) 'new'. The aridification and cooling trends of the preceding Neogene were continued in the Pleistocene. The climate was strongly variable depending on the glacial cycle, oscillating between cold Glacial period, glacial periods and warmer Interglacial, int ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polar Bear
The polar bear (''Ursus maritimus'') is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can Hybrid (biology), interbreed. The polar bear is the largest extant species of bear and land carnivore, with adult males weighing . The species is sexually dimorphic, as adult females are much smaller. The polar bear is white- or yellowish-furred with black skin and a thick layer of fat. It is more slender than the brown bear, with a narrower skull, longer neck and lower shoulder hump. Its teeth are sharper and more adapted to cutting meat. The paws are large and allow the bear to walk on ice and paddle in the water. Polar bears are both terrestrial and Pagophily, pagophilic (ice-living) and are considered marine mammals because of their dependence on marine ecosystems. They prefer the annual sea ice but live on land when the ice melts in the summer. They are mostly carnivorous and specialized for preying on pinniped, se ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kletno Bear Cave
Kletno Bear Cave () is the longest cave located in the Śnieżnik Mountains, which are part of the greater Sudeten mountain range. It was discovered in 1966, near the village of Kletno in Poland. It is famous for its many excavations of the cave bear (''Ursus spelaeus''). History The first of the cave was discovered in October 1966 during the mining process in the newly established quarry Kletno III. In 1967, new corridors were discovered, including the middle parts ''Sale pałacowe'' ("Palace Halls"), and, in January 1972, the lowest parts were discovered. New parts of the cave were uncovered in the years 2014 to 2015. In total, the cave has a length of over and is currently the longest cave in the Sudetes. Geography The cave is situated on the right side of the valley of the stream Kleśnica in the Śnieżnik Mountains, a part of the Sudetes. The cave is located at 790 m above sea level on the slopes of Góra Stroma mountain (1,166.8 m). Fossil animal remnants Rich bon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total population of over 84 million in an area of , making it the most populous member state of the European Union. It borders 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 Capital of Germany, nation's capital and List of cities in Germany by population, most populous city is Berlin and its main financial centre is Frankfurt; the largest urban area is the Ruhr. Settlement in the territory of modern Germany began in the Lower Paleolithic, with various tribes inhabiting it from the Neolithic onward, chiefly the Celts. Various Germanic peoples, Germanic tribes have inhabited the northern parts of modern Germany since classical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iserlohn
Iserlohn (; Westphalian language, Westphalian: ''Iserlaun'') is a city in the Märkischer Kreis district, in North Rhine-Westphalia, Germany. It is the largest city by population and area within the district and the Sauerland region. Geography Iserlohn is located at the north end of the Sauerland near the Ruhr (river), Ruhr river, in West-Central Germany. History The Pancratius church (also called Bauernkirche) is believed to have been founded in around 985, but the first written document mentioning ''lon'' dates only from 1150. In 1237 the Mark (earldom), Count of the Mark gave Iserlohn municipal rights. In 1975 the city, which had been an Urban districts of Germany, urban district before, incorporated the surrounding ex-municipalities of Letmathe, Hennen, Sümmern and Kesbern, and became part of the district "Märkischer Kreis". As a larger mid-sized city, Iserlohn, however, still has a special status compared to most other municipalities in the district. This means that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dechen Cave
The Dechen Cave () in Iserlohn, Germany, is one of the most visited show caves in Germany. It is located in the northern part of the Sauerland at Iserlohn (Grüne district). 360 metres of the 870-metre long cave have been laid out for visitors, beginning at the spot where, in 1868, the cave was discovered by two railway workers. The workers dropped a hammer into a rock crevice which turned out to be the entrance to a dripstone cave when they were searching for the lost tool. The cave is named after ''Oberberghauptmann'' Heinrich von Dechen (1800–1889), in recognition of his contribution to researching the geology of the Rhineland and Westphalia. Owner Due to its discovery by rail workers, the cave was first owned by the local railway company – which built the Letmathe–Fröndenberg railway – and later on by the National railway company, the last one was the Deutsche Bundesbahn Deutsche Bundesbahn (, ) or DB () was formed as the state railway of the newly establish ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hemer, Germany
Hemer () is a town in the Märkischer Kreis district, in North Rhine-Westphalia, Germany. Geography Hemer is located at the north end of the Sauerland near the Ruhr (river), Ruhr river. The highest elevation, at , is in the ''Balver Wald'' in the south of the city. The lowest elevation, at , is at the ''Edelburg'' in the northeast. History Tumulus, Burial mounds show that around 1250 BC, Bronze Age shepherds and farmers lived in the area. Graves from the time of the Merovingian Franks around the year 650 were found near the present city centre. Hemer was first mentioned in 1072 by its old name ''Hademare'' in a document of Archbishop Anno II, Anno II, Archbishop of Cologne, granting lands to the newly founded Benedictine Grafschaft Abbey, including St. Vitus's church and two farms, the later '':de:Haus Hemer'' and the '':de:Hedhof''. In 1124 the parish of St. Vitus was separated from the parish of Menden. Hemer remained an unimportant settlement without market rights, even w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North America
North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Caribbean Sea, and to the south and west by the Pacific Ocean. The region includes Middle America (Americas), Middle America (comprising the Caribbean, Central America, and Mexico) and Northern America. North America covers an area of about , representing approximately 16.5% of Earth's land area and 4.8% of its total surface area. It is the third-largest continent by size after Asia and Africa, and the list of continents and continental subregions by population, fourth-largest continent by population after Asia, Africa, and Europe. , North America's population was estimated as over 592 million people in list of sovereign states and dependent territories in North America, 23 independent states, or about 7.5% of the world's popula ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Central Europe
Central Europe is a geographical region of Europe between Eastern Europe, Eastern, Southern Europe, Southern, Western Europe, Western and Northern Europe, Northern Europe. Central Europe is known for its cultural diversity; however, countries in this region also share some historical and cultural similarities. The region is variously defined, but it’s minimum definition could be considered of consisting of Austria, Bosnia and Herzegovina, Croatia, the Czech Republic, eastern France, Germany, Liechtenstein, Luxembourg, Poland, Slovakia, Slovenia and Switzerland. But also the Baltic States, the Alsace in north-east France, and South Tyrol, northern Belluno , and Friuli-Venezia Giulia in north-east Italy are culturally usually considered to be part of Central Europe. From the early 16th century until the early 18th century, parts of Croatia and Hungary were ruled by the Ottoman Empire. During the 17th century, the empire also occupied southern parts of present-day Slovakia. During ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Duchy Of Styria
The Duchy of Styria (; ; ) was a duchy located in modern-day southern Austria and northern Slovenia. It was a part of the Holy Roman Empire until its dissolution in 1806 and a Cisleithanian crown land of Austria-Hungary until its dissolution in 1918. History It was created by Emperor Frederick Barbarossa in 1180 when he raised the March of Styria to a duchy of equal rank with neighbouring Carinthia and Bavaria, after the fall of the Bavarian Duke Henry the Lion earlier that year. Margrave Ottokar IV thereby became the first duke of Styria and also the last of the ancient Otakar dynasty. As Ottokar had no issue, he in 1186 signed the Georgenberg Pact with the mighty House of Babenberg, rulers of Austria since 976, after which both duchies should in perpetuity be ruled in personal union. Upon his death in 1192, Styria as stipulated fell to the Babenberg Leopold V, Duke of Austria. The Austrian Babenbergs became extinct in 1246, when Duke Frederick II was killed in bat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Austria
Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Austria, most populous city and state. Austria is bordered by Germany to the northwest, the Czech Republic to the north, Slovakia to the northeast, Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the west. The country occupies an area of and has Austrians, a population of around 9 million. The area of today's Austria has been inhabited since at least the Paleolithic, Paleolithic period. Around 400 BC, it was inhabited by the Celts and then annexed by the Roman Empire, Romans in the late 1st century BC. Christianization in the region began in the 4th and 5th centuries, during the late Western Roman Empire, Roman period, followed by the arrival of numerous Germanic tribes during the Migration Period. A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phosphate
Phosphates are the naturally occurring form of the element phosphorus. In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid. It most commonly means orthophosphate, a derivative of orthophosphoric acid, phosphoric acid . The phosphate or orthophosphate ion is derived from phosphoric acid by the removal of three protons . Removal of one proton gives the dihydrogen phosphate ion while removal of two protons gives the hydrogen phosphate ion . These names are also used for salts of those anions, such as ammonium dihydrogen phosphate and trisodium phosphate. File:3-phosphoric-acid-3D-balls.png, Phosphoricacid File:2-dihydrogenphosphate-3D-balls.png, Dihydrogenphosphate File:1-hydrogenphosphate-3D-balls.png, Hydrogenphosphate File:0-phosphate-3D-balls.png, Phosphate or orthophosphate In organic chemistry, phosphate or orthophosphate is an organophosphate, an ester of orthophosphoric acid of the form where one ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
