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Paul Sereno
Paul Callistus Sereno (born October 11, 1957) is a professor of paleontology at the University of Chicago who has discovered several new dinosaur species on several continents, including at sites in Inner Mongolia, Argentina, Morocco and Niger. One of his widely publicized discoveries includes a nearly complete specimen of '' Sarcosuchus imperator'' — commonly referred to as SuperCroc — found in Gadoufaoua, located in the Tenere desert of Niger. Biography Youth and education The son of a mail carrier and an art teacher at Prairie Elementary, Sereno grew up in Naperville, Illinois and graduated from Naperville Central High School. He completed his B.S., Biological Sciences from Northern Illinois University in 1979, M.A. in Vertebrate Paleontology, from Columbia University in 1981, M. Phil. in Geological Sciences in 1981, and Ph.D. in Geological Sciences, in 1987. Career Sereno was named one of ''People'' magazine's 50 Most Beautiful People (1997). Sereno co-fou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dinosaur
Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic Geological period, period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the #Evolutionary history, evolution of dinosaurs is a subject of active research. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201.3 mya and their dominance continued throughout the Jurassic and Cretaceous periods. The fossil record shows that birds are feathered dinosaurs, Evolution of birds, having evolved from earlier Theropoda, theropods during the Late Jurassic epoch, and are the only dinosaur lineage known to have survived the Cretaceous–Paleogene extinction event approximately 66 mya. Dinosaurs can therefore be divided into avian dinosaurs—birds—and the extinct non-avian dinosaurs, which are all dinosaurs other than birds. Dinosaurs are varied from taxonomy (biology), taxonomic, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aurora, Illinois
Aurora is a city in northeastern Illinois, United States. It is located along the Fox River (Illinois River tributary), Fox River west of Chicago. It is the List of municipalities in Illinois, second-most populous city in Illinois, with a population of 180,542 at the 2020 United States census, 2020 census. Founded within Kane County, Illinois, Kane County, Aurora's city limits have expanded into DuPage County, Illinois, DuPage, Kendall County, Illinois, Kendall, and Will County, Illinois, Will counties. Founded in the early 1830s and incorporated in 1857, Aurora rapidly industrialized, becoming one of the first cities in the United States to adopt an all-electric street lighting system in 1881, earning it the nickname "City of Lights". The arrival of major railroads, such as the Chicago, Burlington and Quincy Railroad, further stimulated economic growth and positioned Aurora as a significant transportation and industrial hub in northern Illinois. Over time, the city diversified ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mail Carrier
A mail carrier, also referred to as a mailman, mailwoman, mailperson, postal carrier, postman, postwoman, postperson, person of post, letter carrier (in American English), or colloquially postie (in Australia, Canada, New Zealand, and the United Kingdom), is an employee of a post office or postal service who delivers mail and parcel post to residences and businesses. The term "mail carrier" came to be used as a gender-neutral substitute for "mailman" soon after women began performing the job. In the Royal Mail, the official name changed from "letter carrier" to "postman" in 1883, and "postwoman" has also been used for many years. United States In the United States, there are three types of mail carriers: City Letter Carriers, who are represented by the National Association of Letter Carriers; Rural Carriers, who are represented by the National Rural Letter Carriers' Association; and Highway Contract Route carriers, who are independent contractors. While union membership is vol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aerosteon
''Aerosteon'' is a genus of megaraptoran dinosaur from the Late Cretaceous period of Argentina. Its remains were discovered in 1996 in the Anacleto Formation, which is from the late Campanian. The type and only known species is ''A. riocoloradensis''. Its specific name indicates that its remains were found 1 km (0.6 miles) north of the Río Colorado, in Mendoza Province, Argentina. They show evidence of a bird-like respiratory system. ''Aerosteons name can be translated as ''air bone'' and derives from Greek ἀήρ (''aer'', "air") and ὀστέον (''osteon'', "bone"). Discovery ''Aerosteon'' was first discovered in 1996 and was first described by Sereno ''et al.'' in a paper which appeared in the online journal PLoS ONE in September 2008. However, at the time, the International Code of Zoological Nomenclature did not recognize online publication of names for new species as valid unless print copies were also produced and distributed to several libraries, and that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Geographic Channel
National Geographic (formerly National Geographic Channel; abbreviated and trademarked as Nat Geo or Nat Geo TV) is an American pay television network and flagship channel owned by the National Geographic Global Networks unit of Disney Entertainment and National Geographic Partners, a joint venture between the Walt Disney Company (73%) and the National Geographic Society (27%), with the operational management handled by Disney Entertainment. The flagship channel airs non-fiction television programs produced by National Geographic and other production companies. Like History (which is 50% owned by Disney through A&E Networks) and Discovery Channel, the channel features documentaries with factual content involving nature, science, culture, and history, plus some reality and pseudo-scientific entertainment programming. Its primary sister network worldwide, including the United States, is Nat Geo Wild, which focuses on animal-related programs. , Nat Geo is available to appro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sahara
The Sahara (, ) is a desert spanning across North Africa. With an area of , it is the largest hot desert in the world and the list of deserts by area, third-largest desert overall, smaller only than the deserts of Antarctica and the northern Arctic. The name "Sahara" is derived from , a broken plural form of ( ), meaning "desert". The desert covers much of North Africa, excluding the fertile region on the Mediterranean Sea coast, the Atlas Mountains of the Maghreb, and the Nile, Nile Valley in Egypt and the Sudan. It stretches from the Red Sea in the east and the Mediterranean in the north to the Atlantic Ocean in the west, where the landscape gradually changes from desert to coastal plains. To the south it is bounded by the Sahel, a belt of Tropical and subtropical grasslands, savannas, and shrublands, semi-arid tropical savanna around the Niger River valley and the Sudan (region), Sudan region of sub-Saharan Africa. The Sahara can be divided into several regions, including ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Niger
Niger, officially the Republic of the Niger, is a landlocked country in West Africa. It is a unitary state Geography of Niger#Political geography, bordered by Libya to the Libya–Niger border, north-east, Chad to the Chad–Niger border, east, Nigeria to the Niger–Nigeria border, south, Benin and Burkina Faso to the Benin-Niger border, south-west, Mali to the Mali–Niger border, west, and Algeria to the Algeria–Niger border, north-west. It covers a land area of almost , making it the largest landlocked country in West Africa and the second-largest landlocked nation in Africa behind Chad. Over 80% of its land area lies in the Sahara. Its Islam in Niger, predominantly Muslim population of about million lives mostly in clusters in the south and west of the country. The capital Niamey is located in Niger's south-west corner along the namesake Niger River. Following the spread of Islam to the region, Niger was on the fringes of some states, including the Kanem–Bornu Empire ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gobero
The Gobero archaeological site, dating to around 8000 BCE, is the oldest known cemetery in the Sahara Desert. The site contains important information for archaeologists on how early humans adapted to a constantly changing environment. Gobero is located in the Ténéré desert of Niger, and is named after the Tuareg name for the region. It is the type site of the Holocene era Kiffian culture and Tenerian culture. Site The area was once the location of a freshwater lake named Lake Gobero, around 3 km in diameter and 3 m in depth. There are eight sites that make up Gobero: G1, G2, G3, G4, G5, G6, G7, and G8, five of which (G1, G2, G3, G5, and G8) have funerary and habitation remains. Site G1 is a dune that rises from the lake basin to an elevation of above sea level and extends from east to west. It contains 19 excavated burials, 20 individuals in total. Site G2 is a hill between Site G1 and 3 that contains four burials. G3 is northwest of G1 and contains 48 burials ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Disney Channel
Disney Channel is an American pay television television channel, channel that serves as the flagship (broadcasting), flagship property of Disney Branded Television, a unit of the Disney Entertainment business segment of the Walt Disney Company. Launched on April 18, 1983, under the name The Disney Channel as a pay television, premium channel on top of basic cable television systems, it originally showcased programming towards families due to availability of home television sets locally at the time. It dropped the "The" word from the name in 1997, thus getting rebranded as just Disney Channel, with its programming since till date shifting focus to target mainly children and adolescents ages 6–14. The channel showcases original first-run children's television series, art release#Film, theatrically released and original television films and other selected third-party programming. , Disney Channel is available to approximately 70 million pay television households in the United ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
A&E Network
A&E (an initialism of its original name, the Arts & Entertainment Network) is an American cable and satellite television network and the flagship property of A&E Networks, a joint venture between Hearst Communications and the Walt Disney Company (through the Disney General Entertainment Content division of Disney Entertainment). A&E was launched on February 1, 1984, as a block on Nickelodeon. The network originally focused on fine arts, documentaries, dramas, and educational entertainment. Today, it deals primarily in non-fiction programming, including reality television, true crime, documentaries and miniseries, thus de-emphasizing its full name in the process. Since 1985, it is no longer a programming block, due to its joint owners spinning it off into a 24-hour channel while Nickelodeon later launched Nick at Nite to fill in the time slot A&E formerly held. , A&E is available to approximately 63,000,000 pay television households in the United States – down from its 2011 pe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Walter Cronkite
Walter Leland Cronkite Jr. (November 4, 1916 – July 17, 2009) was an American broadcast journalist who served as anchorman for the ''CBS Evening News'' from 1962 to 1981. During the 1960s and 1970s, he was often cited as "the most trusted man in America" after being so named in an opinion poll. Cronkite received numerous honors including two Peabody Awards, a George Polk Award, an Emmy Award, and the Presidential Medal of Freedom. Cronkite reported many events from 1937 to 1981, including bombings in World War II; the Nuremberg trials; combat in the Vietnam War; the Dawson's Field hijackings; Watergate; the Iran Hostage Crisis; and the assassinations of President John F. Kennedy, civil rights pioneer Martin Luther King Jr., and Beatles musician John Lennon. He was also known for his extensive coverage of the American space program, from Project Mercury to the Moon landings to the Space Shuttle. He was the only non-NASA recipient of an Ambassador of Exploration aw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Non-profit
A nonprofit organization (NPO), also known as a nonbusiness entity, nonprofit institution, not-for-profit organization, or simply a nonprofit, is a non-governmental (private) legal entity organized and operated for a collective, public, or social benefit, as opposed to an entity that operates as a business aiming to generate a Profit (accounting), profit for its owners. A nonprofit organization is subject to the non-distribution constraint: any revenues that exceed expenses must be committed to the organization's purpose, not taken by private parties. Depending on the local laws, charities are regularly organized as non-profits. A host of organizations may be non-profit, including some political organizations, schools, hospitals, business associations, churches, foundations, social clubs, and consumer cooperatives. Nonprofit entities may seek approval from governments to be Tax exemption, tax-exempt, and some may also qualify to receive tax-deductible contributions, but an enti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
