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  2. Conservation and restoration of bone, horn, and antler objects

    en.wikipedia.org/wiki/Conservation_and...

    Bone housed in museum collections come from many different sources; mammals, fish, birds, and in rare cases humans may all be included in a museum's collection. Bones in these collections can come in many shapes and sizes. It can be used in its natural form or polished with sand and other abrasives to create a smooth, glossy surface.

  3. Lehner Mammoth-Kill Site - Wikipedia

    en.wikipedia.org/wiki/Lehner_Mammoth-Kill_Site

    In 1952, Ed Lehner discovered extinct mammoth bone fragments on his ranch, at the locality now known as the Lehner Mammoth-Kill Site. He notified the Arizona State Museum, and a summer of heavy rains in 1955 exposed more bones. Excavations, led by William W. Wasley and Emil Haury, took place in 1955–56, and again in 1974–75.

  4. Maceration (bone) - Wikipedia

    en.wikipedia.org/wiki/Maceration_(bone)

    Most medium-sized animals (like dogs) are macerated within about ten days. Lipids and fatty acids in the bone and in the fat tissues tend to stain the bone brown. Oxidising bleaches may be used to whiten the bone, but if too much is used the perchlorate or hypochlorite damages the bone tissue, leaving it chalky and brittle. Hydrogen peroxide at ...

  5. Archaeologists discover key tool that helped early Americans ...

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    Foxes and wild cats are difficult to kill using traditional hunting tools such as spears, so Pelton suspects Stone Age hunters caught the small carnivores with traps, although direct evidence of ...

  6. Zooarchaeology - Wikipedia

    en.wikipedia.org/wiki/Zooarchaeology

    [10]: 2 When examining animal remains, it is common that there are bones that are too small or too damaged to be able to accurately identify it. [10]: 3 Archaeological context can be used to help with assumptions about species identification. [10]: 3 Skeletal classification is the other half of properly identifying animal remains.

  7. Conservation and restoration of human remains - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    Cleaning of human remains varies by type. If necessary, surface cleaning of bone can be done with a very mild detergent and water solution, but bones should never be soaked in order to prevent dirt from becoming embedded in pores. [2] The possibility of cleaning human remains is highly dependent on the fragility of the specimen.

  8. Butchered animal bones indicate earliest human presence in ...

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    Fossil bones found in Argentina of a large armadillo relative with cut marks suggestive of butchering indicate humans were present in southern South America some 21,000 years ago, according to ...

  9. Northern hardwood forest - Wikipedia

    en.wikipedia.org/wiki/Northern_hardwood_forest

    Austin T. Blakeslee Natural Area, Monroe County, Pennsylvania. The northern hardwood forest is a general type of North American forest ecosystem found over much of southeastern and south-central Canada, Ontario, and Quebec, extending south into the United States in northern New England, New York, and Pennsylvania, and west along the Great Lakes to Minnesota and western Ontario.