Waco Mammoth National Monument
The Waco Mammoth National Monument is a paleontological site and museum in Waco, Texas, United States where fossils of 24 Columbian mammoths (''Mammuthus columbi'') and other mammals from the Pleistocene Epoch have been uncovered. The site is the largest known concentration of mammoths dying from a (possibly) reoccurring event, which is believed to have been a flash flood. The mammoths on site did not all die at the same time but rather during three separate events in the same area. A local partnership developed around the site after the initial bone was discovered. The Waco Mammoth Foundation worked in partnership with the city of Waco and Baylor University to develop the site. Baylor's involvement mainly included the research, preservation, and storage of materials from the site, while the city of Waco contributed to the protection of the land. In 2015, they successfully sought the National Monument designation to bring the expertise of the National Park Service into the partn ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Waco, Texas
Waco ( ) is the county seat of McLennan County, Texas, United States. It is situated along the Brazos River and I-35, halfway between Dallas and Austin. The city had a 2020 population of 138,486, making it the 22nd-most populous city in the state. The 2021 U.S. Census population estimate for the city was 139,594. The Waco metropolitan statistical area consists of McLennan and Falls counties, which had a 2010 population of 234,906. Falls County was added to the Waco MSA in 2013. The 2021 U.S. census population estimate for the Waco metropolitan area was 280,428. History 1824–1865 Indigenous peoples occupied areas along the river for thousands of years. In historic times, the area of present-day Waco was occupied by the Wichita Indian tribe known as the "Waco" (Spanish: ''Hueco'' or ''Huaco''). In 1824, Thomas M. Duke was sent to explore the area after violence erupted between the Waco people and the European settlers. His report to Stephen F. Austin, described the Waco ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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United States Representative
The United States House of Representatives, often referred to as the House of Representatives, the U.S. House, or simply the House, is the lower chamber of the United States Congress, with the Senate being the upper chamber. Together they comprise the national bicameral legislature of the United States. The House's composition was established by Article One of the United States Constitution. The House is composed of representatives who, pursuant to the Uniform Congressional District Act, sit in single member congressional districts allocated to each state on a basis of population as measured by the United States Census, with each district having one representative, provided that each state is entitled to at least one. Since its inception in 1789, all representatives have been directly elected, although universal suffrage did not come to effect until after the passage of the 19th Amendment and the Civil Rights Movement. Since 1913, the number of voting representatives h ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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President Obama Declares Three New National Mounuments
President most commonly refers to: *President (corporate title) *President (education), a leader of a college or university *President (government title) President may also refer to: Automobiles * Nissan President, a 1966–2010 Japanese full-size sedan * Studebaker President, a 1926–1942 American full-size sedan * VinFast President, a 2020–present Vietnamese mid-size SUV Film and television *'' Præsidenten'', a 1919 Danish silent film directed by Carl Theodor Dreyer * ''The President'' (1928 film), a German silent drama * ''President'' (1937 film), an Indian film * ''The President'' (1961 film) * ''The Presidents'' (film), a 2005 documentary * ''The President'' (2014 film) * ''The President'' (South Korean TV series), a 2010 South Korean television series * ''The President'' (Palestinian TV series), a 2013 Palestinian reality television show *''The President Show'', a 2017 Comedy Central political satirical parody sitcom Music *The Presidents (American soul band) *The ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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In Situ
''In situ'' (; often not italicized in English) is a Latin phrase that translates literally to "on site" or "in position." It can mean "locally", "on site", "on the premises", or "in place" to describe where an event takes place and is used in many different contexts. For example, in fields such as physics, geology, chemistry, or biology, ''in situ'' may describe the way a measurement is taken, that is, in the same place the phenomenon is occurring without isolating it from other systems or altering the original conditions of the test. The opposite of ''in situ'' is ''ex situ''. Aerospace In the aerospace industry, equipment on-board aircraft must be tested ''in situ'', or in place, to confirm everything functions properly as a system. Individually, each piece may work but interference from nearby equipment may create unanticipated problems. Special test equipment is available for this ''in situ'' testing. It can also refer to repairs made to the aircraft structure or flight con ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Mayborn Museum Complex
The Sue & Frank Mayborn Natural Science and Cultural History Museum Complex (abbreviated as MMC) is a facility that opened in May 2004 at Baylor University in Waco, Texas. The complex features a natural history wing with exhibits on prehistoric Central Texas, dioramas featuring landscapes of the area, and examples of the homes utilized by 19th Century residents of Texas, The Harry and Anna Jeanes Discovery center with two floors of hands-on experiences for all ages, and The Governor Bill and Vara Daniel Historic Village. The complex also features the Anding Traveling Exhibit Gallery, a theater, and a museum store. History The Mayborn Museum Complex is made up of three previous institutions, The Strecker Museum, The Ollie Mae Moen Discovery Center, and the Governor Bill and Vara Daniel Historic Village. The Strecker Museum The Baylor University Museum can be traced back to 1856, when an advertisement in the 1856-1857 annual catalogue called for a "telescope, microscope, and c ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Strecker Museum
The Sue & Frank Mayborn Natural Science and Cultural History Museum Complex (abbreviated as MMC) is a facility that opened in May 2004 at Baylor University in Waco, Texas. The complex features a natural history wing with exhibits on prehistoric Central Texas, dioramas featuring landscapes of the area, and examples of the homes utilized by 19th Century residents of Texas, The Harry and Anna Jeanes Discovery center with two floors of hands-on experiences for all ages, and The Governor Bill and Vara Daniel Historic Village. The complex also features the Anding Traveling Exhibit Gallery, a theater, and a museum store. History The Mayborn Museum Complex is made up of three previous institutions, The Strecker Museum, The Ollie Mae Moen Discovery Center, and the Governor Bill and Vara Daniel Historic Village. The Strecker Museum The Baylor University Museum can be traced back to 1856, when an advertisement in the 1856-1857 annual catalogue called for a "telescope, microscope, and c ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Bosque River
The Bosque River ( ) is a long river in Central Texas fed by four primary branches. The longest branch, the North Bosque, forms near Stephenville, and flows toward Waco through Hamilton, Bosque and McLennan counties. It is subsequently joined by the East Bosque in Bosque County and the Middle and South Bosque Rivers near Waco. The river terminates into the Brazos River, and is dammed nearby to form Lake Waco. The Middle Bosque River adjoins the Prairie Chapel Ranch home of President George W. Bush northwest of Crawford, Texas. Recent controversy The city of Waco has been involved in a protracted lawsuit with Erath County dairies since 2004. The city alleges that the dairies have been negligent in allowing excess phosphorus from cattle waste to enter the river in large quantities, traveling downstream and causing algae blooms in Lake Waco. As the lake functions as the Waco area's primary source of drinking water, residents have complained for years about an unpleasant resultan ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Arrowheads
An arrowhead or point is the usually sharpened and hardened tip of an arrow, which contributes a majority of the projectile mass and is responsible for impacting and penetrating a target, as well as to fulfill some special purposes such as signaling. The earliest arrowheads were made of stone and of organic materials; as human civilizations progressed, other alloy materials were used. Arrowheads are important archaeological artifacts; they are a subclass of projectile points. Modern enthusiasts still "produce over one million brand-new spear and arrow points per year". A craftman who manufactures arrowheads is called an arrowsmith.Paterson ''Encyclopaedia of Archery'' p. 20 History In the Stone Age, people used sharpened bone, flintknapped stones, flakes, and chips and bits of rock as weapons and tools. Such items remained in use throughout human civilization, with new materials used as time passed. As archaeological artifacts such objects are classed as projecti ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Waco Mammoth Site W
Waco ( ) is the county seat of McLennan County, Texas, United States. It is situated along the Brazos River and I-35, halfway between Dallas and Austin. The city had a 2020 population of 138,486, making it the 22nd-most populous city in the state. The 2021 U.S. Census population estimate for the city was 139,594. The Waco metropolitan statistical area consists of McLennan and Falls counties, which had a 2010 population of 234,906. Falls County was added to the Waco MSA in 2013. The 2021 U.S. census population estimate for the Waco metropolitan area was 280,428. History 1824–1865 Indigenous peoples occupied areas along the river for thousands of years. In historic times, the area of present-day Waco was occupied by the Wichita Indian tribe known as the "Waco" (Spanish: ''Hueco'' or ''Huaco''). In 1824, Thomas M. Duke was sent to explore the area after violence erupted between the Waco people and the European settlers. His report to Stephen F. Austin, described the Waco vi ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Optically Stimulated Luminescence
In physics, optically stimulated luminescence (OSL) is a method for measuring doses from ionizing radiation. It is used in at least two applications: * Luminescence dating of ancient materials: mainly geological sediments and sometimes fired pottery, bricks etc., although in the latter case thermoluminescence dating is used more often * Radiation dosimetry, which is the measurement of accumulated radiation dose in the tissues of health care, nuclear, research and other workers, as well as in building materials in regions of nuclear disaster The method makes use of electrons trapped between the valence and conduction bands in the crystalline structure of certain minerals (most commonly quartz and feldspar). The trapping sites are imperfections of the lattice — impurities or defects. The ionizing radiation produces electron-hole pairs: Electrons are in the conduction band and holes in the valence band. The electrons that have been excited to the conduction band may become entrap ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Luminescence Dating
Luminescence dating refers to a group of methods of determining how long ago mineral grains were last exposed to sunlight or sufficient heating. It is useful to geologists and archaeologists who want to know when such an event occurred. It uses various methods to stimulate and measure luminescence. It includes techniques such as optically stimulated luminescence (OSL), infrared stimulated luminescence (IRSL), and thermoluminescence dating (TL). "Optical dating" typically refers to OSL and IRSL, but not TL. Conditions and accuracy All sediments and soils contain trace amounts of radioactive isotopes of elements such as potassium, uranium, thorium, and rubidium. These slowly decay over time and the ionizing radiation they produce is absorbed by mineral grains in the sediments such as quartz and potassium feldspar. The radiation causes charge to remain within the grains in structurally unstable "electron traps". The trapped charge accumulates over time at a rate determined by the am ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |