Here is a question about this article: The rural Plains have lost a third of their population since 1920. Several hundred thousand square miles (several hundred thousand square kilometers) of the Great Plains have fewer than 6 inhabitants per square mile (2.3 inhabitants per square kilometer)—the density standard Frederick Jackson Turner used to declare the American frontier "closed" in 1893. Many have fewer than 2 inhabitants per square mile (0.77 inhabitants per square kilometer). There are more than 6,000 ghost towns in the state of Kansas alone, according to Kansas historian Daniel Fitzgerald. This problem is often exacerbated by the consolidation of farms and the difficulty of attracting modern industry to the region. In addition, the smaller school-age population has forced the consolidation of school districts and the closure of high schools in some communities. The continuing population loss has led some to suggest that the current use of the drier parts of the Great Plains is not sustainable, and there has been a proposal - the "Buffalo Commons" - to return approximately 139,000 square miles (360,000 km2) of these drier parts to native prairie land.
What is the answer to this question: who declated the American frontier "closed" in 1893?
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So... Frederick Jackson Turner


Here is a question about this article: The first scientific and literary journals were established during the Enlightenment. The first journal, the Parisian Journal des Sçavans, appeared in 1665. However, it was not until 1682 that periodicals began to be more widely produced. French and Latin were the dominant languages of publication, but there was also a steady demand for material in German and Dutch. There was generally low demand for English publications on the Continent, which was echoed by England's similar lack of desire for French works. Languages commanding less of an international market – such as Danish, Spanish and Portuguese – found journal success more difficult, and more often than not, a more international language was used instead. French slowly took over Latin's status as the lingua franca of learned circles. This in turn gave precedence to the publishing industry in Holland, where the vast majority of these French language periodicals were produced.
What is the answer to this question: What was the title of the first scientific and literary journal?
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So... the Parisian Journal des Sçavans


Here is a question about this article: Only a few towns in western Libya—such as Bani Walid, Sebha and Sirte—remained Gaddafist strongholds. Retreating to Sirte after Tripoli's fall, Gaddafi announced his willingness to negotiate for a handover to a transitional government, a suggestion rejected by the NTC. Surrounding himself with bodyguards, he continually moved residences to escape NTC shelling, devoting his days to prayer and reading the Qur'an. On 20 October, Gaddafi broke out of Sirte's District 2 in a joint civilian-military convoy, hoping to take refuge in the Jarref Valley. At around 8.30am, NATO bombers attacked, destroying at least 14 vehicles and killing at least 53. The convoy scattered, and Gaddafi and those closest to him fled to a nearby villa, which was shelled by rebel militia from Misrata. Fleeing to a construction site, Gaddafi and his inner cohort hid inside drainage pipes while his bodyguards battled the rebels; in the conflict, Gaddafi suffered head injuries from a grenade blast while defence minister Abu-Bakr Yunis Jabr was killed.
What is the answer to this question: About how many people were killed in the October 20 bombing of Gaddafi's convoy?
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So...
53