Article: Stress has a significant effect on memory formation and learning. In response to stressful situations, the brain releases hormones and neurotransmitters (ex. glucocorticoids and catecholamines) which affect memory encoding processes in the hippocampus. Behavioural research on animals shows that chronic stress produces adrenal hormones which impact the hippocampal structure in the brains of rats. An experimental study by German cognitive psychologists L. Schwabe and O. Wolf demonstrates how learning under stress also decreases memory recall in humans. In this study, 48 healthy female and male university students participated in either a stress test or a control group. Those randomly assigned to the stress test group had a hand immersed in ice cold water (the reputable SECPT or 'Socially Evaluated Cold Pressor Test') for up to three minutes, while being monitored and videotaped. Both the stress and control groups were then presented with 32 words to memorize. Twenty-four hours later, both groups were tested to see how many words they could remember (free recall) as well as how many they could recognize from a larger list of words (recognition performance). The results showed a clear impairment of memory performance in the stress test group, who recalled 30% fewer words than the control group. The researchers suggest that stress experienced during learning distracts people by diverting their attention during the memory encoding process.

Question: Which hormones are produces when a animal is stressed out?
Ans: adrenal hormones

Here is a question about this article: In 2001, Fuller, Cowell, and TV producer Simon Jones attempted to sell the Pop Idol format to the United States, but the idea was met with poor response from United States television networks. However, Rupert Murdoch, head of Fox's parent company, was persuaded to buy the show by his daughter Elisabeth, who was a fan of the British show. The show was renamed American Idol: The Search for a Superstar and debuted in the summer of 2002. Cowell was initially offered the job as showrunner but refused; Lythgoe then took over that position. Much to Cowell's surprise, it became one of the hit shows for the summer that year. The show, with the personal engagement of the viewers with the contestants through voting, and the presence of the acid-tongued Cowell as a judge, grew into a phenomenon. By 2004, it had become the most-watched show in the U.S., a position it then held on for seven consecutive seasons.
What is the answer to this question: What was Pop Idol renamed to for its American debut?
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So... American Idol: The Search for a Superstar

The problem: Answer a question about this article:
The channel also broadcasts two movie blocks during the late evening hours each Sunday: "Silent Sunday Nights", which features silent films from the United States and abroad, usually in the latest restored version and often with new musical scores; and "TCM Imports" (which previously ran on Saturdays until the early 2000s[specify]), a weekly presentation of films originally released in foreign countries. TCM Underground which debuted in October 2006 is a Friday late night block which focuses on cult films, the block was originally hosted by rocker/filmmaker Rob Zombie until December 2006 (though as of 2014[update], it is the only regular film presentation block on the channel that does not have a host).
What movie block shows silent films?
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The answer: Silent Sunday Nights

Problem: Please answer a question about the following article about 51st state:
The implication has historical basis and dates to the breakup of British America during the American Revolution. The colonies that had confederated to form the United States invaded Canada (at the time a term referring specifically to the modern-day provinces of Quebec and Ontario, which had only been in British hands since 1763) at least twice, neither time succeeding in taking control of the territory. The first invasion was during the Revolution, under the assumption that French-speaking Canadians' presumed hostility towards British colonial rule combined with the Franco-American alliance would make them natural allies to the American cause; the Continental Army successfully recruited two Canadian regiments for the invasion. That invasion's failure forced the members of those regiments into exile, and they settled mostly in upstate New York. The Articles of Confederation, written during the Revolution, included a provision for Canada to join the United States, should they ever decide to do so, without needing to seek U.S. permission as other states would. The United States again invaded Canada during the War of 1812, but this effort was made more difficult due to the large number of Loyalist Americans that had fled to what is now Ontario and still resisted joining the republic. The Hunter Patriots in the 1830s and the Fenian raids after the American Civil War were private attacks on Canada from the U.S. Several U.S. politicians in the 19th century also spoke in favour of annexing Canada.
What did several US politicians suggest doing in the 19th century?
A: annexing Canada

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The Kabul Shahi dynasties ruled the Kabul Valley and Gandhara (modern-day Pakistan and Afghanistan) from the decline of the Kushan Empire in the 3rd century to the early 9th century. The Shahis are generally split up into two eras: the Buddhist Shahis and the Hindu Shahis, with the change-over thought to have occurred sometime around 870. The kingdom was known as the Kabul Shahan or Ratbelshahan from 565-670, when the capitals were located in Kapisa and Kabul, and later Udabhandapura, also known as Hund for its new capital.

Until what century did the Kabul Shahi dynasties rule the Kabul Valley?
Answer: 9th century

Oklahoma City was home to several pioneers in radio and television broadcasting. Oklahoma City's WKY Radio was the first radio station transmitting west of the Mississippi River and the third radio station in the United States. WKY received its federal license in 1921 and has continually broadcast under the same call letters since 1922. In 1928, WKY was purchased by E.K. Gaylord's Oklahoma Publishing Company and affiliated with the NBC Red Network; in 1949, WKY-TV (channel 4) went on the air and later became the first independently owned television station in the U.S. to broadcast in color. In mid-2002, WKY radio was purchased outright by Citadel Broadcasting, who was bought out by Cumulus Broadcasting in 2011. The Gaylord family earlier sold WKY-TV in 1976, which has gone through a succession of owners (what is now KFOR-TV is currently owned by Tribune Broadcasting as of December 2013).
When did E.K. Gaylord's Oklahoma Publishing Compan buy WKY Radio?
1928