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In Classical Antiquity, the inquiry into the workings of the universe took place both in investigations aimed at such practical goals as establishing a reliable calendar or determining how to cure a variety of illnesses and in those abstract investigations known as natural philosophy. The ancient people who are considered the first scientists may have thought of themselves as natural philosophers, as practitioners of a skilled profession (for example, physicians), or as followers of a religious tradition (for example, temple healers).

What is an example of skilled professionals?
Answer: physicians
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Oklahoma is in the nation's middle percentile in per capita spending on the arts, ranking 17th, and contains more than 300 museums. The Philbrook Museum of Tulsa is considered one of the top 50 fine art museums in the United States, and the Sam Noble Oklahoma Museum of Natural History in Norman, one of the largest university-based art and history museums in the country, documents the natural history of the region. The collections of Thomas Gilcrease are housed in the Gilcrease Museum of Tulsa, which also holds the world's largest, most comprehensive collection of art and artifacts of the American West.

Where are Thomas Gilcrease's collections housed?
Answer: Gilcrease Museum of Tulsa
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Evidence exists that native peoples traveled through Oklahoma as early as the last ice age. Ancestors of the Wichita and Caddo lived in what is now Oklahoma. The Panhandle culture peoples were precontact residents of the panhandle region. The westernmost center of the Mississippian culture was Spiro Mounds, in what is now Spiro, Oklahoma, which flourished between AD 850 and 1450. Spaniard Francisco Vásquez de Coronado traveled through the state in 1541, but French explorers claimed the area in the 1700s and it remained under French rule until 1803, when all the French territory west of the Mississippi River was purchased by the United States in the Louisiana Purchase.

When did Spiro Mounds flourish?
Answer:
between AD 850 and 1450