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116-553: Panos Aravantinos Decor Museum is a museum in Piraeus , Athens , Greece . Museum named after Panos Aravantinos , famous Greek and German opera scenic and costume designer and decorator. The museum is in the building of Municipal theater of Piraeus and there are about 1300 works of Panos Aravantinos This article related to a museum in Greece is a stub . You can help Misplaced Pages by expanding it . Museum A museum

232-549: A skeleton varies greatly. Even when a body is decomposed, embalming treatment can still be achieved (the arterial system decays more slowly) but would not restore a natural appearance without extensive reconstruction and cosmetic work, and is largely used to control the foul odors due to decomposition. An animal can be preserved almost perfectly, for millions of years in a resin such as amber . There are some examples where bodies have been inexplicably preserved (with no human intervention) for decades or centuries and appear almost

348-453: A contractor when necessary. The cultural property stored in museums is threatened in many countries by natural disaster , war , terrorist attacks or other emergencies. To this end, an internationally important aspect is a strong bundling of existing resources and the networking of existing specialist competencies in order to prevent any loss or damage to cultural property or to keep damage as low as possible. International partner for museums

464-471: A culture. As historian Steven Conn writes, "To see the thing itself, with one's own eyes and in a public place, surrounded by other people having some version of the same experience, can be enchanting." Museum purposes vary from institution to institution. Some favor education over conservation, or vice versa. For example, in the 1970s, the Canada Science and Technology Museum favored education over

580-718: A full-time director to whom authority is delegated for day-to-day operations; Have the financial resources sufficient to operate effectively; Demonstrate that it meets the Core Standards for Museums; Successfully complete the Core Documents Verification Program". Additionally, there is a legal definition of museum in United States legislation authorizing the establishment of the Institute of Museum and Library Services : "Museum means

696-457: A higher proportion of recalcitrant material. Consequently, dead animals decompose more rapidly than dead leaves, which themselves decompose more rapidly than fallen branches. As organic material in the soil ages, its quality decreases. The more labile compounds decompose quickly, leaving an increasing proportion of recalcitrant material called humus . Microbial cell walls also contain recalcitrant materials like chitin , and these also accumulate as

812-468: A larger surface area that can hold water. The higher the water content of a soil, the lower the oxygen content and consequently, the lower the rate of decomposition. Clay minerals also bind particles of organic material to their surface, making them less accessible to microbes. Soil disturbance like tilling increases decomposition by increasing the amount of oxygen in the soil and by exposing new organic matter to soil microbes. The quality and quantity of

928-403: A major role in breaking down matter, both directly and indirectly via a multitrophic cascading effect Following this, the plant detritus (consisting of cellulose , hemicellulose , microbial metabolites , and lignin ) undergoes chemical alteration by microbes. Different types of compounds decompose at different rates. This is dependent on their chemical structure . For instance, lignin

1044-459: A museum and on display, they not only got to show their fantastic finds but also used the museum as a way to sort and "manage the empirical explosion of materials that wider dissemination of ancient texts, increased travel, voyages of discovery, and more systematic forms of communication and exchange had produced". One of these naturalists and collectors was Ulisse Aldrovandi , whose collection policy of gathering as many objects and facts about them

1160-554: A museum is successful, as happened in Bilbao, others continue especially if a museum struggles to attract visitors. The Taubman Museum of Art is an example of an expensive museum (eventually $ 66 million) that attained little success and continues to have a low endowment for its size. Some museum activists see this method of museum use as a deeply flawed model for such institutions. Steven Conn, one such museum proponent, believes that "to ask museums to solve our political and economic problems

1276-402: A museum's collection typically determines the museum's size, whereas its collection reflects the type of museum it is. Many museums normally display a "permanent collection" of important selected objects in its area of specialization, and may periodically display "special collections" on a temporary basis. The following is a list to give an idea of the major museum types. While comprehensive, it

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1392-509: A notable person, or a given period of time. Museums also can be based on the main source of funding: central or federal government, provinces, regions, universities; towns and communities; other subsidised; nonsubsidised and private. It may sometimes be useful to distinguish between diachronic museums which interpret the way its subject matter has developed and evolved through time (e.g., Lower East Side Tenement Museum and Diachronic Museum of Larissa ), and synchronic museums which interpret

1508-508: A palace of Henry VIII , in England opened the council room to the general public to create an interactive environment for visitors. Rather than allowing visitors to handle 500-year-old objects, however, the museum created replicas, as well as replica costumes. The daily activities, historic clothing, and even temperature changes immerse the visitor in an impression of what Tudor life may have been. Major professional organizations from around

1624-433: A place where the body is buried in organic material and oxygen cannot reach it. This process of putrefaction has a bad odor accompanied by it due to the hydrogen sulfide and organic matter containing sulfur. Embalming is the practice of delaying the decomposition of human and animal remains. Embalming slows decomposition somewhat but does not forestall it indefinitely. Embalmers typically pay great attention to parts of

1740-407: A public, tribal, or private nonprofit institution which is organized on a permanent basis for essentially educational, cultural heritage, or aesthetic purposes and which, using a professional staff: Owns or uses tangible objects, either animate or inanimate; Cares for these objects; and Exhibits them to the general public on a regular basis" (Museum Services Act 1976). One of the oldest museums known

1856-903: A series of standards and best practices that help guide the management of museums. Various positions within the museum carry out the policies established by the Board and the Director. All museum employees should work together toward the museum's institutional goal. Here is a list of positions commonly found at museums: Other positions commonly found at museums include: building operator, public programming staff, photographer , librarian , archivist , groundskeeper , volunteer coordinator, preparator, security staff, development officer, membership officer, business officer, gift shop manager, public relations staff, and graphic designer . At smaller museums, staff members often fulfill multiple roles. Some of these positions are excluded entirely or may be carried out by

1972-536: A slower rate) even after soils become too dry to support plant growth. When the rains return and soils become wet, the osmotic gradient between the bacterial cells and the soil water causes the cells to gain water quickly. Under these conditions, many bacterial cells burst, releasing a pulse of nutrients. Decomposition rates also tend to be slower in acidic soils. Soils which are rich in clay minerals tend to have lower decomposition rates, and thus, higher levels of organic matter. The smaller particles of clay result in

2088-410: A stage called rigor mortis . Since blood is no longer being pumped through the body, gravity causes it to drain to the dependent portions of the body, creating an overall bluish-purple discoloration termed livor mortis or, more commonly, lividity. Depending on the position of the body, these parts would vary. For instance, if the person was flat on their back when they died, the blood would collect in

2204-565: Is Ennigaldi-Nanna's museum , built by Princess Ennigaldi in modern Iraq at the end of the Neo-Babylonian Empire . The site dates from c.  530 BC , and contained artifacts from earlier Mesopotamian civilizations . Notably, a clay drum label—written in three languages—was found at the site, referencing the history and discovery of a museum item. Ancient Greeks and Romans collected and displayed art and objects but perceived museums differently from modern-day views. In

2320-773: Is UNESCO and Blue Shield International in accordance with the Hague Convention for the Protection of Cultural Property from 1954 and its 2nd Protocol from 1999. For legal reasons, there are many international collaborations between museums, and the local Blue Shield organizations. Blue Shield has conducted extensive missions to protect museums and cultural assets in armed conflict, such as 2011 in Egypt and Libya, 2013 in Syria and 2014 in Mali and Iraq. During these operations,

2436-472: Is a component of wood, which is relatively resistant to decomposition and can in fact only be decomposed by certain fungi , such as the white-rot fungi. Wood decomposition is a complex process involving fungi which transport nutrients to the nutritionally scarce wood from outside environment. Because of this nutritional enrichment, the fauna of saproxylic insects may develop and, in turn, affect dead wood, contributing to decomposition and nutrient cycling in

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2552-422: Is a positive sign, but it may take several years for the ecosystem to fully recover and return to its pre-disturbance state. All that remains of the cadaver at this stage is dry skin, cartilage , and bones , which will become dry and bleached if exposed to the elements. If all soft tissue is removed from the cadaver, it is referred to as completely skeletonized , but if only portions of the bones are exposed, it

2668-405: Is an important field of study within food science . Food decomposition can be slowed down by conservation . The spoilage of meat occurs, if the meat is untreated, in a matter of hours or days and results in the meat becoming unappetizing, poisonous or infectious. Spoilage is caused by the practically unavoidable infection and subsequent decomposition of meat by bacteria and fungi, which are borne by

2784-610: Is an institution dedicated to displaying and/or preserving culturally or scientifically significant objects. Many museums have exhibitions of these objects on public display, and some have private collections that are used by researchers and specialists. Museums host a much wider range of objects than a library , and usually focus on a specific theme, such as the arts , science , natural history or local history . Public museums that host exhibitions and interactive demonstrations are often tourist attractions , and many attract large numbers of visitors from outside their host country, with

2900-554: Is believed to be one of the earliest museums in the world. While it connected to the Library of Alexandria it is not clear if the museum was in a different building from the library or was part of the library complex. While little was known about the museum it was an inspiration for museums during the early Renaissance period. The royal palaces also functioned as a kind of museum outfitted with art and objects from conquered territories and gifts from ambassadors from other kingdoms allowing

3016-435: Is characterized by a decrease in the intensity of the disturbance and an increase in the amount of plant growth around the affected area. This is a sign that the nutrients and other ecological resources present in the surrounding soil have not yet returned to their normal levels. During this stage, it is important to monitor the ecosystem for any signs of continued disturbance or ecological stress. The resurgence of plant growth

3132-455: Is followed by the necrobiome that undergoes predictable changes over time. Among those animals that have a heart, the fresh stage begins immediately after the heart stops beating. From the moment of death, the body begins cooling or warming to match the temperature of the ambient environment, during a stage called algor mortis . Shortly after death, within three to six hours, the muscular tissues become rigid and incapable of relaxing, during

3248-404: Is not a definitive list. Private museums are organized by individuals and managed by a board and museum officers, but public museums are created and managed by federal, state, or local governments. A government can charter a museum through legislative action but the museum can still be private as it is not part of the government. The distinction regulates the ownership and legal accountability for

3364-438: Is not necessarily a negative development; Dorothy Canfield Fisher observed that the reduction in objects has pushed museums to grow from institutions that artlessly showcased their many artifacts (in the style of early cabinets of curiosity) to instead "thinning out" the objects presented "for a general view of any given subject or period, and to put the rest away in archive-storage-rooms, where they could be consulted by students,

3480-418: Is not uncommon for bodies to remain preserved to a viewable extent after decades. Notable viewable embalmed bodies include those of: A body buried in a sufficiently dry environment may be well preserved for decades. This was observed in the case for murdered civil rights activist Medgar Evers , who was found to be almost perfectly preserved over 30 years after his death, permitting an accurate autopsy when

3596-634: Is particularly true in the case of postindustrial cities. Examples of museums fulfilling these economic roles exist around the world. For example, the Guggenheim Museum Bilbao was built in Bilbao, Spain in a move by the Basque regional government to revitalize the dilapidated old port area of that city. The Basque government agreed to pay $ 100 million for the construction of the museum, a price tag that caused many Bilbaoans to protest against

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3712-478: Is physical breakup or fragmentation of the plant material into smaller pieces, providing greater surface area for colonization and attack by decomposers . In fallen dead parts of plants ( plant litter ), this process is largely carried out by saprophagous ( detritivorous ) soil invertebrate fauna, whereas in standing parts of plants, primarily parasitic life-forms such as parasitic plants (e.g. mistletoes ), insects (e.g. aphids ) and fungi (e.g. polypores ) play

3828-618: Is pluralized as museums (or rarely, musea ). It is originally from the Ancient Greek Μουσεῖον ( mouseion ), which denotes a place or temple dedicated to the muses (the patron divinities in Greek mythology of the arts), and hence was a building set apart for study and the arts, especially the Musaeum (institute) for philosophy and research at Alexandria , built under Ptolemy I Soter about 280 BC. The purpose of modern museums

3944-653: Is referred to as partially skeletonized. A dead body that has been exposed to the open elements, such as water and air, will decompose more quickly and attract much more insect activity than a body that is buried or confined in special protective gear or artifacts. This is due, in part, to the limited number of insects that can penetrate soil and the lower temperatures under the soil. The rate and manner of decomposition in an animal body are strongly affected by several factors. In roughly descending degrees of importance, they are: The speed at which decomposition occurs varies greatly. Factors such as temperature, humidity, and

4060-461: Is the body's accessibility to insects, particularly flies . On the surface in tropical areas, invertebrates alone can easily reduce a fully fleshed corpse to clean bones in under two weeks. The skeleton itself is not permanent; acids in soils can reduce it to unrecognizable components. This is one reason given for the lack of human remains found in the wreckage of the Titanic , even in parts of

4176-409: Is to collect, preserve, interpret, and display objects of artistic, cultural, or scientific significance for the study and education of the public. To city leaders, an active museum community can be seen as a gauge of the cultural or economic health of a city, and a way to increase the sophistication of its inhabitants. To museum professionals, a museum might be seen as a way to educate the public about

4292-417: Is to set them up for inevitable failure and to set us (the visitor) up for inevitable disappointment." Museums are facing funding shortages. Funding for museums comes from four major categories, and as of 2009 the breakdown for the United States is as follows: Government support (at all levels) 24.4%, private (charitable) giving 36.5%, earned income 27.6%, and investment income 11.5%. Government funding from

4408-518: The Age of Enlightenment saw their ideas of the museum as superior and based their natural history museums on "organization and taxonomy" rather than displaying everything in any order after the style of Aldrovandi. The first "public" museums were often accessible only for the middle and upper classes. It could be difficult to gain entrance. When the British Museum opened to the public in 1759, it

4524-466: The American Alliance of Museums does not have such a definition, their list of accreditation criteria to participate in their Accreditation Program states a museum must: "Be a legally organized nonprofit institution or part of a nonprofit organization or government entity; Be essentially educational in nature; Have a formally stated and approved mission; Use and interpret objects or a site for

4640-579: The Body Farm ) in Knoxville, Tennessee , has several bodies laid out in various situations in a fenced-in plot near the medical center. Scientists at the Body Farm study how the human body decays in various circumstances to gain a better understanding of decomposition. Decomposition of plant matter occurs in many stages. It begins with leaching by water; the most easily lost and soluble carbon compounds are liberated in this process. Another early process

4756-538: The National Endowment for the Arts , the largest museum funder in the United States, decreased by 19.586 million between 2011 and 2015, adjusted for inflation. The average spent per visitor in an art museum in 2016 was $ 8 between admissions, store and restaurant, where the average expense per visitor was $ 55. Corporations , which fall into the private giving category, can be a good source of funding to make up

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4872-617: The Newark Museum in a series of books in the early 20th century so that other museum founders could plan their museums. Dana suggested that potential founders of museums should form a committee first, and reach out to the community for input as to what the museum should supply or do for the community. According to Dana, museums should be planned according to community's needs: "The new museum ... does not build on an educational superstition. It examines its community's life first, and then straightway bends its energies to supplying some

4988-629: The Titanic Belfast , built on disused shipyards in Belfast , Northern Ireland , incidentally for the same price as the Guggenheim Museum Bilbao and by the same architect, Frank Gehry , in time for the 100th anniversary of Titanic 's maiden voyage in 2012. Initially expecting modest visitor numbers of 425,000 annually, first year visitor numbers reached over 800,000, with almost 60% coming from outside Northern Ireland. In

5104-675: The United States Holocaust Memorial Museum in Washington, D.C. uses many artifacts in their memorable exhibitions. Museums are laid out in a specific way for a specific reason and each person who enters the doors of a museum will see its collection completely differently to the person behind them- this is what makes museums fascinating because they are represented differently to each individual. In recent years, some cities have turned to museums as an avenue for economic development or rejuvenation. This

5220-834: The interpretive plan for an exhibit, determining the most effective, engaging and appropriate methods of communicating a message or telling a story. The process will often mirror the architectural process or schedule, moving from conceptual plan, through schematic design, design development, contract document, fabrication, and installation. Museums of all sizes may also contract the outside services of exhibit fabrication businesses. Some museum scholars have even begun to question whether museums truly need artifacts at all. Historian Steven Conn provocatively asks this question, suggesting that there are fewer objects in all museums now, as they have been progressively replaced by interactive technology. As educational programming has grown in museums, mass collections of objects have receded in importance. This

5336-432: The most visited museums in the world attracting millions of visitors annually. Since the establishment of the earliest known museum in ancient times , museums have been associated with academia and the preservation of rare items. Museums originated as private collections of interesting items, and not until much later did the emphasis on educating the public take root. The English word museum comes from Latin , and

5452-499: The 1860s. The British Museum was described by one of their delegates as a 'hakubutsukan', a 'house of extensive things' – this would eventually become accepted as the equivalent word for 'museum' in Japan and China. American museums eventually joined European museums as the world's leading centers for the production of new knowledge in their fields of interest. A period of intense museum building, in both an intellectual and physical sense

5568-665: The British Museum for its possession of rare antiquities from Egypt, Greece, and the Middle East. The roles associated with the management of a museum largely depend on the size of the institution. Together, the Board and the Director establish a system of governance that is guided by policies that set standards for the institution. Documents that set these standards include an institutional or strategic plan, institutional code of ethics, bylaws, and collections policy. The American Alliance of Museums (AAM) has also formulated

5684-603: The Smithsonian Institution, are still respected as research centers, research is no longer a main purpose of most museums. While there is an ongoing debate about the purposes of interpretation of a museum's collection, there has been a consistent mission to protect and preserve cultural artifacts for future generations. Much care, expertise, and expense is invested in preservation efforts to retard decomposition in ageing documents, artifacts, artworks, and buildings. All museums display objects that are important to

5800-697: The United States, several Native American tribes and advocacy groups have lobbied extensively for the repatriation of sacred objects and the reburial of human remains. In 1990, Congress passed the Native American Graves Protection and Repatriation Act (NAGPRA), which required federal agencies and federally funded institutions to repatriate Native American "cultural items" to culturally affiliate tribes and groups. Similarly, many European museum collections often contain objects and cultural artifacts acquired through imperialism and colonization . Some historians and scholars have criticized

5916-543: The United States, similar projects include the 81,000 square foot Taubman Museum of Art in Roanoke, Virginia and The Broad in Los Angeles . Museums being used as a cultural economic driver by city and local governments has proven to be controversial among museum activists and local populations alike. Public protests have occurred in numerous cities which have tried to employ museums in this way. While most subside if

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6032-455: The animal itself, by the people handling the meat, and by their implements. Meat can be kept edible for a much longer time – though not indefinitely – if proper hygiene is observed during production and processing, and if appropriate food safety, food preservation and food storage procedures are applied. Spoilage of food is attributed to contamination from microorganisms such as bacteria, molds and yeasts, along with natural decay of

6148-566: The bacteria that cause putrefaction. In extremely dry or cold conditions, the normal process of decomposition is halted – by either lack of moisture or temperature controls on bacterial and enzymatic action – causing the body to be preserved as a mummy . Frozen mummies commonly restart the decomposition process when thawed (see Ötzi the Iceman ), whilst heat-desiccated mummies remain so unless exposed to moisture. The bodies of newborns who never ingested food are an important exception to

6264-430: The body and create a cadaver decomposition island (CDI). Liquefaction of tissues and disintegration become apparent during this time and strong odors persist. The end of active decay is signaled by the migration of maggots away from the body to pupate. Decomposition is largely inhibited during advanced decay due to the loss of readily available cadaveric material. Insect activity is also reduced during this stage. When

6380-463: The body and provide more surface area for the development of fly larvae and the activity of aerobic microorganisms. The purging of gases and fluids results in the strong distinctive odors associated with decay. Active decay is characterized by the period of greatest mass loss. This loss occurs as a result of both the voracious feeding of maggots and the purging of decomposition fluids into the surrounding environment. The purged fluids accumulate around

6496-411: The body is accessible to insects , mites and other animals. Additionally, soil animals are considered key regulators of decomposition at local scales but their role at larger scales is unresolved. The most important arthropods that are involved in the process include carrion beetles , mites, the flesh-flies (Sarcophagidae) and blow-flies ( Calliphoridae ), such as the green bottle flies seen in

6612-417: The body seen by mourners , such as the face and hands. The chemicals used in embalming repel most insects and slow down bacterial putrefaction by either killing existing bacteria in or on the body themselves or by fixing cellular proteins, which means that they cannot act as a nutrient source for subsequent bacterial infections. In sufficiently dry environments, an embalmed body may end up mummified and it

6728-412: The body's tissues. Maggot activity, typically confined to natural orifices, and masses under the skin, causes the skin to slip, and hair to detach from the skin. Maggot feeding, and the accumulation of gases within the body, eventually leads to post-mortem skin ruptures which will then further allow purging of gases and fluids into the surrounding environment. Ruptures in the skin allow oxygen to re-enter

6844-462: The breakdown of surrounding cells and tissues. This process is known as autolysis . Visible changes caused by decomposition are limited during the fresh stage, although autolysis may cause blisters to appear at the surface of the skin. The small amount of oxygen remaining in the body is quickly depleted by cellular metabolism and aerobic microbes naturally present in respiratory and gastrointestinal tracts, creating an ideal environment for

6960-459: The carcass is located on soil, the area surrounding it will show evidence of vegetation death. The CDI surrounding the carcass will display an increase in soil carbon and nutrients such as phosphorus , potassium , calcium and magnesium ; changes in pH; and a significant increase in soil nitrogen . As the ecosystem recovers from the disturbance, the CDI moves into the dry/remains stage, which

7076-412: The care of the collections. Decomposition One can differentiate abiotic decomposition from biotic decomposition ( biodegradation ). The former means "the degradation of a substance by chemical or physical processes", e.g., hydrolysis ; the latter means "the metabolic breakdown of materials into simpler components by living organisms", typically by microorganisms. Decomposition begins at

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7192-403: The case of his murder was re-opened in the 1990s. Bodies submerged in a peat bog may become naturally embalmed , arresting decomposition and resulting in a preserved specimen known as a bog body . The generally cool and anoxic conditions in these environments limits the rate of microbial activity, thus limiting the potential for decomposition. The time for an embalmed body to be reduced to

7308-431: The chosen artifacts. These elements of planning have their roots with John Cotton Dana, who was perturbed at the historical placement of museums outside of cities, and in areas that were not easily accessed by the public, in gloomy European style buildings. Questions of accessibility continue to the present day. Many museums strive to make their buildings, programming, ideas, and collections more publicly accessible than in

7424-404: The classical period, the museums were the temples and their precincts which housed collections of votive offerings. Paintings and sculptures were displayed in gardens, forums, theaters, and bathhouses. In the ancient past there was little differentiation between libraries and museums with both occupying the building and were frequently connected to a temple or royal palace. The Museum of Alexandria

7540-539: The development of more modern 19th-century museums was part of new strategies by Western governments to produce a citizenry that, rather than be directed by coercive or external forces, monitored and regulated its own conduct. To incorporate the masses in this strategy, the private space of museums that previously had been restricted and socially exclusive were made public. As such, objects and artifacts, particularly those related to high culture, became instruments for these "new tasks of social management". Universities became

7656-414: The distention of the abdomen and gives a cadaver its overall bloated appearance. The gases produced also cause natural liquids and liquefying tissues to become frothy. As the pressure of the gases within the body increases, fluids are forced to escape from natural orifices, such as the nose, mouth and anus, and enter the surrounding environment. The buildup of pressure combined with the loss of integrity of

7772-399: The first carrion insects to arrive and they seek a suitable oviposition site. The bloat stage provides the first clear visual sign that microbial proliferation is underway. In this stage, anaerobic metabolism takes place, leading to the accumulation of gases, such as hydrogen sulfide , carbon dioxide , methane and nitrogen . The accumulation of gases within the bodily cavity causes

7888-411: The food. These decomposition bacteria reproduce at rapid rates under conditions of moisture and preferred temperatures. When the proper conditions are lacking the bacteria may form spores which lurk until suitable conditions arise to continue reproduction. Decomposition rates and speed may differ or vary due to abiotic factors such as moisture level, temperature, and soil type. They also vary depending on

8004-425: The forest floor. Lignin is one such remaining product of decomposing plants with a very complex chemical structure, causing the rate of microbial breakdown to slow. Warmth increases the speed of plant decay by roughly the same amount, regardless of the composition of the plant. In most grassland ecosystems, natural damage from fire , detritivores that feed on decaying matter, termites , grazing mammals, and

8120-409: The former use and status of an object. Religious or holy objects, for instance, are handled according to cultural rules. Jewish objects that contain the name of God may not be discarded, but need to be buried. Although most museums do not allow physical contact with the associated artifacts, there are some that are interactive and encourage a more hands-on approach. In 2009, Hampton Court Palace ,

8236-697: The funding gap. The amount corporations currently give to museums accounts for just 5% of total funding. Corporate giving to the arts, however, was set to increase by 3.3% in 2017. Most mid-size and large museums employ exhibit design staff for graphic and environmental design projects, including exhibitions. In addition to traditional 2-D and 3-D designers and architects, these staff departments may include audio-visual specialists, software designers, audience research, evaluation specialists, writers, editors, and preparators or art handlers. These staff specialists may also be charged with supervising contract design or production services. The exhibit design process builds on

8352-436: The initial amount of breakdown caused by the prior consumers in the food chain . This means the form that organic matter is in, original plant or animal, partially eaten, or as faecal matter when the detritivore encounters it. The more broken down the matter, the faster the final decomposition. The rate of decomposition is governed by three sets of factors: the physical environment (temperature, moisture and soil properties),

8468-422: The looting of the collection is to be prevented in particular. The design of museums has evolved throughout history. However, museum planning involves planning the actual mission of the museum along with planning the space that the collection of the museum will be housed in. Intentional museum planning has its beginnings with the museum founder and librarian John Cotton Dana . Dana detailed the process of founding

8584-489: The material available to decomposers is another major factor that influences the rate of decomposition. Substances like sugars and amino acids decompose readily and are considered labile. Cellulose and hemicellulose , which are broken down more slowly, are "moderately labile". Compounds which are more resistant to decay, like lignin or cutin , are considered recalcitrant. Litter with a higher proportion of labile compounds decomposes much more rapidly than does litter with

8700-407: The material which that community needs, and to making that material's presence widely known, and to presenting it in such a way as to secure it for the maximum of use and the maximum efficiency of that use." The way that museums are planned and designed vary according to what collections they house, but overall, they adhere to planning a space that is easily accessed by the public and easily displays

8816-482: The moment of death, caused by two factors: autolysis , the breaking down of tissues by the body's own internal chemicals and enzymes , and putrefaction , the breakdown of tissues by bacteria . These processes release compounds such as cadaverine and putrescine , that are the chief source of the unmistakably putrid odor of decaying animal tissue. Prime decomposers are bacteria or fungi , though larger scavengers also play an important role in decomposition if

8932-409: The museum landscape has become so varied, that it may not be sufficient to use traditional categories to comprehend fully the vast variety existing throughout the world. However, it may be useful to categorize museums in different ways under multiple perspectives. Museums can vary based on size, from large institutions, to very small institutions focusing on specific subjects, such as a specific location,

9048-617: The museum planning process. Some museum experiences have very few or no artifacts and do not necessarily call themselves museums, and their mission reflects this; the Griffith Observatory in Los Angeles and the National Constitution Center in Philadelphia , being notable examples where there are few artifacts, but strong, memorable stories are told or information is interpreted. In contrast,

9164-490: The museum's mission, such as civil rights or environmentalism . Museums are, above all, storehouses of knowledge. In 1829, James Smithson's bequest funding the Smithsonian Institution stated that he wanted to establish an institution "for the increase and diffusion of knowledge". In the late 19th century, museums of natural history exemplified the scientific drive for classifying life and interpreting

9280-426: The normal process of decomposition. They lack the internal microbial flora that produces much of decomposition and quite commonly mummify if kept in even moderately dry conditions. Aerobic decomposition takes place in the presence of oxygen. This is most common to occur in nature. Living organisms that use oxygen to survive feed on the body. Anaerobic decomposition takes place in the absence of oxygen. This could be

9396-525: The only people who really needed to see them". This phenomenon of disappearing objects is especially present in science museums like the Museum of Science and Industry in Chicago , which have a high visitorship of school-aged children who may benefit more from hands-on interactive technology than reading a label beside an artifact. There is no definitive standard as to the set types of museums. Additionally,

9512-410: The parts that are touching the ground. If the person was hanging, it would collect in their fingertips, toes and earlobes. Once the heart stops, the blood can no longer supply oxygen or remove carbon dioxide from the tissues. The resulting decrease in pH and other chemical changes cause cells to lose their structural integrity , bringing about the release of cellular enzymes capable of initiating

9628-415: The past. Not every museum is participating in this trend, but that seems to be the trajectory of museums in the twenty-first century with its emphasis on inclusiveness. One pioneering way museums are attempting to make their collections more accessible is with open storage. Most of a museum's collection is typically locked away in a secure location to be preserved, but the result is most people never get to see

9744-570: The personal collection of Elias Ashmole , was set up in the University of Oxford to be open to the public and is considered by some to be the first modern public museum. The collection included that of Elias Ashmole which he had collected himself, including objects he had acquired from the gardeners, travellers and collectors John Tradescant the elder and his son of the same name . The collection included antique coins, books, engravings, geological specimens, and zoological specimens—one of which

9860-456: The physical movement of animals through the grass are the primary agents of breakdown and nutrient cycling , while bacteria and fungi play the main roles in further decomposition. The chemical aspects of plant decomposition always involve the release of carbon dioxide . In fact, decomposition contributes over 90 percent of carbon dioxide released each year. The decomposition of food, either plant or animal, called spoilage in this context,

9976-685: The preservation of their objects. They displayed objects as well as their functions. One exhibit featured a historical printing press that a staff member used for visitors to create museum memorabilia. Some museums seek to reach a wide audience, such as a national or state museum, while others have specific audiences, like the LDS Church History Museum or local history organizations. Generally speaking, museums collect objects of significance that comply with their mission statement for conservation and display. Apart from questions of provenance and conservation, museums take into consideration

10092-422: The primary centers for innovative research in the United States well before the start of World War II . Nevertheless, museums to this day contribute new knowledge to their fields and continue to build collections that are useful for both research and display. The late twentieth century witnessed intense debate concerning the repatriation of religious, ethnic, and cultural artifacts housed in museum collections. In

10208-442: The private collections of wealthy individuals, families or institutions of art and rare or curious natural objects and artifacts . These were often displayed in so-called "wonder rooms" or cabinets of curiosities . These contemporary museums first emerged in western Europe, then spread into other parts of the world. Public access to these museums was often possible for the "respectable", especially to private art collections, but at

10324-425: The process of decomposition in vertebrate animals: fresh, bloat, active decay, advanced decay, and dry/remains. The general stages of decomposition are coupled with two stages of chemical decomposition: autolysis and putrefaction . These two stages contribute to the chemical process of decomposition , which breaks down the main components of the body. With death the microbiome of the living organism collapses and

10440-400: The project. Nonetheless, over 1.1 million people visited the museum in 2015, indicating it appeared to have paid off for the local government despite local backlash; key to this is the large demographic of foreign visitors to the museum, with 63% of the visitors residing outside of Spain and thus feeding foreign investment straight into Bilbao. A similar project to that undertaken in Bilbao was

10556-431: The proliferation of anaerobic organisms . These multiply, consuming the body's carbohydrates , lipids and proteins , to produce a variety of substances including propionic acid , lactic acid , methane , hydrogen sulfide and ammonia . The process of microbial proliferation within a body is referred to as putrefaction and leads to the second stage of decomposition known as bloat. Blowflies and flesh flies are

10672-484: The public presentation of regularly scheduled programs and exhibits; Have a formal and appropriate program of documentation, care, and use of collections or objects; Carry out the above functions primarily at a physical facility or site; Have been open to the public for at least two years; Be open to the public at least 1,000 hours a year; Have accessioned 80 percent of its permanent collection; Have at least one paid professional staff with museum knowledge and experience; Have

10788-407: The public, accessible and inclusive, museums foster diversity and sustainability. They operate and communicate ethically, professionally and with the participation of communities, offering varied experiences for education, enjoyment, reflection and knowledge sharing." The Canadian Museums Association 's definition: "A museum is a non-profit, permanent establishment, that does not exist primarily for

10904-708: The purpose of conducting temporary exhibitions and that is open to the public during regular hours and administered in the public interest for the purpose of conserving, preserving, studying, interpreting, assembling and exhibiting to the public for the instruction and enjoyment of the public, objects and specimens or educational and cultural value including artistic, scientific, historical and technological material." The United Kingdom's Museums Association 's definition: "Museums enable people to explore collections for inspiration, learning and enjoyment. They are institutions that collect, safeguard and make accessible artifacts and specimens, which they hold in trust for society." While

11020-481: The quantity and quality of the dead material available to decomposers, and the nature of the microbial community itself. Decomposition rates are low under very wet or very dry conditions. Decomposition rates are highest in damp, moist conditions with adequate levels of oxygen. Wet soils tend to become deficient in oxygen (this is especially true in wetlands ), which slows microbial growth. In dry soils, decomposition slows as well, but bacteria continue to grow (albeit at

11136-578: The ruler to display the amassed collections to guests and to visiting dignitaries. Also in Alexandria from the time of Ptolemy II Philadelphus (r. 285–246 BCE), was the first zoological park. At first used by Philadelphus in an attempt to domesticate African elephants for use in war, the elephants were also used for show along with a menagerie of other animals specimens including hartebeests , ostriches , zebras , leopards , giraffes , rhinoceros , and pythons . Early museums began as

11252-485: The same as when they died. In some religious groups, this is known as incorruptibility . It is not known whether or for how long a body can stay free of decay without artificial preservation. Various sciences study the decomposition of bodies under the general rubric of forensic science because the usual motive for such studies is to determine the time and cause of death for legal purposes: The University of Tennessee Anthropological Research Facility (better known as

11368-425: The season of death all determine how fast a fresh body will skeletonize or mummify . A basic guide for the effect of environment on decomposition is given as Casper 's Law (or Ratio): if all other factors are equal, then, when there is free access of air a body decomposes twice as fast as if immersed in water and eight times faster than if buried in the earth. Ultimately, the rate of bacterial decomposition acting on

11484-429: The ship considered inaccessible to scavengers. Freshly skeletonized bone is often called green bone and has a characteristic greasy feel. Under certain conditions (underwater, but also cool, damp soil), bodies may undergo saponification and develop a waxy substance called adipocere , caused by the action of soil chemicals on the body's proteins and fats . The formation of adipocere slows decomposition by inhibiting

11600-435: The skin may also cause the body to rupture. Intestinal anaerobic bacteria transform haemoglobin into sulfhemoglobin and other colored pigments. The associated gases which accumulate within the body at this time aid in the transport of sulfhemoglobin throughout the body via the circulatory and lymphatic systems , giving the body an overall marbled appearance. If insects have access, maggots hatch and begin to feed on

11716-451: The subject matter which now include content in the form of images, audio and visual effects, and interactive exhibits. Museum creation begins with a museum plan, created through a museum planning process. The process involves identifying the museum's vision and the resources, organization and experiences needed to realize this vision. A feasibility study, analysis of comparable facilities, and an interpretive plan are all developed as part of

11832-510: The summer. In North America, the most important non-insect animals that are typically involved in the process include mammal and bird scavengers, such as coyotes , dogs , wolves , foxes , rats , crows and vultures . Some of these scavengers also remove and scatter bones, which they ingest at a later time. Aquatic and marine environments have break-down agents that include bacteria, fish, crustaceans, fly larvae and other carrion scavengers. Five general stages are typically used to describe

11948-408: The tissue will depend upon the temperature of the surroundings. Colder temperatures decrease the rate of decomposition while warmer temperatures increase it. A dry body will not decompose efficiently. Moisture helps the growth of microorganisms that decompose the organic matter, but too much moisture could lead to anaerobic conditions slowing down the decomposition process. The most important variable

12064-494: The type of collections they display, to include: fine arts , applied arts , craft , archaeology , anthropology and ethnology , biography , history , cultural history , science , technology , children's museums , natural history , botanical and zoological gardens . Within these categories, many museums specialize further, e.g., museums of modern art , folk art , local history , military history , aviation history , philately , agriculture , or geology . The size of

12180-471: The vast majority of collections. The Brooklyn Museum's Luce Center for American Art practices this open storage where the public can view items not on display, albeit with minimal interpretation. The practice of open storage is all part of an ongoing debate in the museum field of the role objects play and how accessible they should be. In terms of modern museums, interpretive museums, as opposed to art museums, have missions reflecting curatorial guidance through

12296-766: The way its subject matter existed at a certain point in time (e.g., the Anne Frank House and Colonial Williamsburg ). According to University of Florida Professor Eric Kilgerman, "While a museum in which a particular narrative unfolds within its halls is diachronic, those museums that limit their space to a single experience are called synchronic." In her book Civilizing the Museum , author Elaine Heumann Gurian proposes that there are five categories of museums based on intention and not content: object centered, narrative, client centered, community centered, and national. Museums can also be categorized into major groups by

12412-428: The whim of the owner and his staff. One way that elite men during this time period gained a higher social status in the world of elites was by becoming a collector of these curious objects and displaying them. Many of the items in these collections were new discoveries and these collectors or naturalists, since many of these people held interest in natural sciences, were eager to obtain them. By putting their collections in

12528-475: The world offer some definitions as to what constitutes a museum, and their purpose. Common themes in all the definitions are public good and the care, preservation, and interpretation of collections. The International Council of Museums ' current definition of a museum (adopted in 2022): "A museum is a not-for-profit, permanent institution in the service of society that researches, collects, conserves, interprets and exhibits tangible and intangible heritage. Open to

12644-519: The world. Their purpose was to gather examples from each field of knowledge for research and display. Concurrently, as American colleges expanded during the 19th century, they also developed their own natural history collections to support the education of their students. By the last quarter of the 19th century, scientific research in universities was shifting toward biological research on a cellular level, and cutting-edge research moved from museums to university laboratories. While many large museums, such as

12760-540: Was "encyclopedic" in nature, reminiscent of that of Pliny, the Roman philosopher and naturalist. The idea was to consume and collect as much knowledge as possible, to put everything they collected and everything they knew in these displays. In time, however, museum philosophy would change and the encyclopedic nature of information that was so enjoyed by Aldrovandi and his cohorts would be dismissed as well as "the museums that contained this knowledge". The 18th-century scholars of

12876-435: Was a concern that large crowds could damage the artifacts. Prospective visitors to the British Museum had to apply in writing for admission, and small groups were allowed into the galleries each day. The British Museum became increasingly popular during the 19th century, amongst all age groups and social classes who visited the British Museum, especially on public holidays. The Ashmolean Museum , however, founded in 1677 from

12992-496: Was charged with organizing the Louvre as a national public museum and the centerpiece of a planned national museum system. As Napoléon I conquered the great cities of Europe, confiscating art objects as he went, the collections grew and the organizational task became more and more complicated. After Napoleon was defeated in 1815, many of the treasures he had amassed were gradually returned to their owners (and many were not). His plan

13108-764: Was never fully realized, but his concept of a museum as an agent of nationalistic fervor had a profound influence throughout Europe. Chinese and Japanese visitors to Europe were fascinated by the museums they saw there, but had cultural difficulties in grasping their purpose and finding an equivalent Chinese or Japanese term for them. Chinese visitors in the early 19th century named these museums based on what they contained, so defined them as "bone amassing buildings" or "courtyards of treasures" or "painting pavilions" or "curio stores" or "halls of military feats" or "gardens of everything". Japan first encountered Western museum institutions when it participated in Europe's World's Fairs in

13224-649: Was realized in the late 19th and early 20th centuries (this is often called "The Museum Period" or "The Museum Age"). While many American museums, both natural history museums and art museums alike, were founded with the intention of focusing on the scientific discoveries and artistic developments in North America, many moved to emulate their European counterparts in certain ways (including the development of Classical collections from ancient Egypt , Greece , Mesopotamia , and Rome ). Drawing on Michel Foucault 's concept of liberal government, Tony Bennett has suggested

13340-807: Was the Louvre in Paris , opened in 1793 during the French Revolution , which enabled for the first time free access to the former French royal collections for people of all stations and status. The fabulous art treasures collected by the French monarchy over centuries were accessible to the public three days each " décade " (the 10-day unit which had replaced the week in the French Republican Calendar ). The Conservatoire du muséum national des Arts (National Museum of Arts's Conservatory)

13456-480: Was the stuffed body of the last dodo ever seen in Europe; but by 1755 the stuffed dodo was so moth-eaten that it was destroyed, except for its head and one claw. The museum opened on 24 May 1683, with naturalist Robert Plot as the first keeper. The first building, which became known as the Old Ashmolean , is sometimes attributed to Sir Christopher Wren or Thomas Wood. In France, the first public museum

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