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Stephen A. Czerkas
Stephen A. Czerkas (born September 19, 1951, in Alhambra, California) was an American sculptor and paleontologist. He frequently worked as a contributor to both museums and the motion picture industry, and was later the director and co-founder of The Dinosaur Museum, which purchased the Archaeoraptor fossil chimera. His life-sized replicas of dinosaurs, including members of the Deinonychus and Allosaurus genera, were among the first to incorporate accurate feathering and dorsal spines. Life and work Czerkas' sculptural works have been featured in the National Museum of Natural History, the Vienna Museum of Natural History, and the Natural History Museum of Los Angeles County, among other museums. In addition, Czerkas contributed to the motion picture industry, notably producing photorealistic sculptures for the 1977 film '' Planet of Dinosaurs''. He is perhaps best known for his part in the Archaeoraptor controversy, in which Czerkas purchased a part-bird, part-dinosaur specime ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alhambra, California
Alhambra (, , ; from " Alhambra") is a city located in the western San Gabriel Valley region of Los Angeles County, California, United States, approximately eight miles from the Downtown Los Angeles Downtown Los Angeles (DTLA) contains the central business district of Los Angeles. In addition, it contains a diverse residential area of some 85,000 people, and covers . A 2013 study found that the district is home to over 500,000 jobs. It is ... civic center. It was incorporated on July 11, 1903. As of the 2020 census, the population was 82,868. The city's ZIP Codes are 91801 and 91803 (plus 91802 for P.O. boxes). History The original inhabitants of the land where Alhambra now sits are the Tongva. The Mission San Gabriel Arcángel, San Gabriel Mission was founded nearby on September 8, 1771, as part of the Spanish conquest and occupation of Alta California. The land that would later become Alhambra was part of a 300,000 acre land grant given to Manuel Nieto (soldier), ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Archaeoraptor
"Archaeoraptor" is the informal generic name for a fossil chimera from China in an article published in ''National Geographic'' magazine in 1999. The magazine claimed that the fossil was a " missing link" between birds and terrestrial theropod dinosaurs. Even before this publication, there had been severe doubts about the fossil's authenticity. A further scientific study showed it to be a forgery constructed from rearranged pieces of real fossils from different species. Zhou ''et al.'' found that the head and upper body belong to a specimen of the primitive fossil bird ''Yanornis''.Zhou, Zhonghe, Clarke, Julia A., Zhang, Fucheng. "Archaeoraptor's better half." ''Nature'' Vol. 420. 21 November 2002. pp. 285. A 2002 study found that the tail belongs to a small winged dromaeosaur, ''Microraptor'', named in 2000. The legs and feet belong to an as-yet-unknown-animal.Holden, Constance. "Florida Meeting Shows Perils, Promise of Dealing for Dinos" ''Science'' 14 April 2000. Vol.288 no.5 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deinonychus
''Deinonychus'' ( ; ) is a genus of dromaeosaurid theropod dinosaur with one described species, ''Deinonychus antirrhopus''. This species, which could grow up to long, lived during the early Cretaceous Period, about 115–108 million years ago (from the mid-Aptian to early Albian stages). Fossils have been recovered from the U.S. states of Montana, Utah, Wyoming, and Oklahoma, in rocks of the Cloverly Formation, Cedar Mountain Formation and Antlers Formation, though teeth that may belong to ''Deinonychus'' have been found much farther east in Maryland. Paleontologist John Ostrom's study of ''Deinonychus'' in the late 1960s revolutionized the way scientists thought about dinosaurs, leading to the " dinosaur renaissance" and igniting the debate on whether dinosaurs were warm-blooded or cold-blooded. Before this, the popular conception of dinosaurs had been one of plodding, reptilian giants. Ostrom noted the small body, sleek, horizontal posture, ratite-like spine, and esp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allosaurus
''Allosaurus'' () is a genus of large carnosaurian theropod dinosaur that lived 155 to 145 million years ago during the Late Jurassic epoch (Kimmeridgian to late Tithonian). The name "''Allosaurus''" means "different lizard" alluding to its unique (at the time of its discovery) concave vertebrae. It is derived from the Greek (') ("different, other") and (') ("lizard / generic reptile"). The first fossil remains that could definitively be ascribed to this genus were described in 1877 by paleontologist Othniel Charles Marsh. As one of the first well-known theropod dinosaurs, it has long attracted attention outside of paleontological circles. ''Allosaurus'' was a large bipedal predator. Its skull was light, robust and equipped with dozens of sharp, serrated teeth. It averaged in length for ''A. fragilis'', with the largest specimens estimated as being long. Relative to the large and powerful hindlimbs, its three-fingered forelimbs were small, and the body was balanced b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Museum Of Natural History
The National Museum of Natural History is a natural history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States. It has free admission and is open 364 days a year. In 2021, with 7.1 million visitors, it was the eighteenth most visited museum in the world and the second most visited natural history museum in the world after the Natural History Museum in London."The World's most popular museums", CNN.com, 22 June 2017. Opened in 1910, the museum on the National Mall was one of the first Smithsonian buildings constructed exclusively to hold the national collections and research facilities. The main building has an overall area of with of exhibition and public space and houses over 1,000 employees. The museum's collections contain over 145 million specimens of plants, animals, fossils, minerals, rocks, meteorites, human remains, and human cultural artifacts, the largest natural history collection in the world. It i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Natural History Museum, Vienna
The Natural History Museum Vienna (german: Naturhistorisches Museum Wien) is a large natural history museum located in Vienna, Austria. It is one of the most important natural history museums worldwide. The NHM Vienna is one of the largest museums and non-university research institutions in Austria and an important center of excellence for all matters relating to natural sciences. The museum's 39 exhibition rooms cover 8,460 square meters and present more than 100,000 objects. It is home to 30 million objects available to more than 60 scientists and numerous guest researchers who carry out basic research in a wide range of topics related to human sciences, earth sciences, and life sciences. The '' Index Herbariorum'' code assigned to this museum is W and it is used when citing housed herbarium specimens. History The history of the Natural History Museum Vienna is shaped by the passion for collecting of renowned monarchs, the endless thirst for knowledge of famous scientists, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Natural History Museum Of Los Angeles County
The Natural History Museum of Los Angeles County is the largest natural and historical museum in the western United States. Its collections include nearly 35 million specimens and artifacts and cover 4.5 billion years of history. This large collection is comprised not only of specimens for exhibition, but also of vast research collections housed on and offsite. The museum is associated with two other museums in Greater Los Angeles: the Page Museum at the La Brea Tar Pits in Hancock Park and the William S. Hart Ranch and Museum in Newhall. The three museums work together to achieve their common mission: "to inspire wonder, discovery, and responsibility for our natural and cultural worlds." History NHM opened in Exposition Park, Los Angeles, California, United States in 1913 as The Museum of History, Science, and Art. The moving force behind it was a museum association founded in 1910. Its distinctive main building with fitted marble walls and domed and colonnaded rotunda, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Planet Of Dinosaurs
''Planet of Dinosaurs'' is a 1977 science fiction film. Set in an unspecified future, the film follows the journey of Captain Lee and his crew after they crash land on a planet with similar life conditions as Earth, but millions of years behind in time. Encountering a wide variety of dangerous dinosaurs, the crew decides that its best chance for survival lies on finding higher ground and setting up a defensive perimeter on a higher plateau for refuge to wait for when (or if) their rescuers arrive. They soon encounter a deadly ''Tyrannosaurus'' and must figure out a way to defeat the creature and survive on the planet. The film's director, James K. Shea, instructed most of the budget to be spent on the special effects for the film, which included an array of award-winning stop motion dinosaurs, leaving little money for props or even to pay the main actors. James Whitworth and Max Thayer had the most film experience of the actors. Modern reviews have generally been negative, although ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Creationism
Creationism is the religious belief that nature, and aspects such as the universe, Earth, life, and humans, originated with supernatural acts of divine creation. Gunn 2004, p. 9, "The ''Concise Oxford Dictionary'' says that creationism is 'the belief that the universe and living organisms originated from specific acts of divine creation.'" In its broadest sense, creationism includes a continuum of religious views, Haarsma 2010, p. 168, "Some Christians, often called 'Young Earth creationists,' reject evolution in order to maintain a semi-literal interpretation of certain biblical passages. Other Christians, called 'progressive creationists,' accept the scientific evidence for some evolution over a long history of the earth, but also insist that God must have performed some miracles during that history to create new life-forms. Intelligent design, as it is promoted in North America is a form of progressive creation. Still other Christians, called theistic evolutionists' or 'ev ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Evolutionary Biology
Evolutionary biology is the subfield of biology that studies the evolutionary processes (natural selection, common descent, speciation) that produced the diversity of life on Earth. It is also defined as the study of the history of life forms on Earth. Evolution is based on the theory that all species are related and they gradually change over time. In a population, the genetic variations affect the physical characteristics i.e. phenotypes of an organism. These changes in the phenotypes will be an advantage to some organisms, which will then be passed onto their offspring. Some examples of evolution in species over many generations are the Peppered Moth and Flightless birds. In the 1930s, the discipline of evolutionary biology emerged through what Julian Huxley called the modern synthesis of understanding, from previously unrelated fields of biological research, such as genetics and ecology, systematics, and paleontology. The importance of studying Evolutionary biology is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liver Cancer
Liver cancer (also known as hepatic cancer, primary hepatic cancer, or primary hepatic malignancy) is cancer that starts in the liver. Liver cancer can be primary (starts in liver) or secondary (meaning cancer which has spread from elsewhere to the liver, known as liver metastasis). Liver metastasis is more common than that which starts in the liver. Liver cancer is increasing globally. Primary liver cancer is globally the sixth-most frequent cancer and the fourth-leading cause of death from cancer. In 2018, it occurred in 841,000 people and resulted in 782,000 deaths globally. Higher rates of liver cancer occur where hepatitis B and C are common, including Asia and sub-Saharan Africa. Males are more often affected with hepatocellular carcinoma (HCC) than females. Diagnosis is most frequent among those 55 to 65 years old. The leading cause of liver cancer is cirrhosis due to hepatitis B, hepatitis C or alcohol. Other causes include aflatoxin, non-alcoholic fatty liver disease ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
