Article: Norwegian researchers at the University of Tromsø have shown that some Arctic animals (ptarmigan, reindeer) show circadian rhythms only in the parts of the year that have daily sunrises and sunsets. In one study of reindeer, animals at 70 degrees North showed circadian rhythms in the autumn, winter and spring, but not in the summer. Reindeer on Svalbard at 78 degrees North showed such rhythms only in autumn and spring. The researchers suspect that other Arctic animals as well may not show circadian rhythms in the constant light of summer and the constant dark of winter.

Question: What daily feature do animals that show limited circadian rhythms need?
Ans: sunrises and sunsets


Here is a question about this article: Following a headlining set at Coachella 2011 that was described by The Hollywood Reporter as "one of greatest hip-hop sets of all time", West released the collaborative album Watch the Throne with Jay-Z. By employing a sales strategy that released the album digitally weeks before its physical counterpart, Watch the Throne became one of the few major label albums in the Internet age to avoid a leak. "Niggas in Paris" became the record's highest charting single, peaking at number five on the Billboard Hot 100. In 2012, West released the compilation album Cruel Summer, a collection of tracks by artists from West's record label GOOD Music. Cruel Summer produced four singles, two of which charted within the top twenty of the Hot 100: "Mercy" and "Clique". West also directed a film of the same name that premiered at the 2012 Cannes Film Festival in custom pyramid-shaped screening pavilion featuring seven screens.
What is the answer to this question: What event did Kanye headline in 2011?
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So... Coachella


The problem: Answer a question about this article:
Judicial power—the power to decide cases and controversies—is vested in the Supreme Court and inferior courts established by Congress. The judges must be appointed by the president with the advice and consent of the Senate, hold office during good behavior and receive compensations that may not be diminished during their continuance in office. If a court's judges do not have such attributes, the court may not exercise the judicial power of the United States. Courts exercising the judicial power are called "constitutional courts."
What is the term for judicial institutions exercising their power?
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The answer: constitutional courts


Problem: Please answer a question about the following article about Religion in ancient Rome:
All sacrifices and offerings required an accompanying prayer to be effective. Pliny the Elder declared that "a sacrifice without prayer is thought to be useless and not a proper consultation of the gods." Prayer by itself, however, had independent power. The spoken word was thus the single most potent religious action, and knowledge of the correct verbal formulas the key to efficacy. Accurate naming was vital for tapping into the desired powers of the deity invoked, hence the proliferation of cult epithets among Roman deities. Public prayers (prex) were offered loudly and clearly by a priest on behalf of the community. Public religious ritual had to be enacted by specialists and professionals faultlessly; a mistake might require that the action, or even the entire festival, be repeated from the start. The historian Livy reports an occasion when the presiding magistrate at the Latin festival forgot to include the "Roman people" among the list of beneficiaries in his prayer; the festival had to be started over. Even private prayer by an individual was formulaic, a recitation rather than a personal expression, though selected by the individual for a particular purpose or occasion.
What was missing in the formulas of prayer in Rome?
A: personal expression


Question: Read this and answer the question

The Suez Crisis very publicly exposed Britain's limitations to the world and confirmed Britain's decline on the world stage, demonstrating that henceforth it could no longer act without at least the acquiescence, if not the full support, of the United States. The events at Suez wounded British national pride, leading one MP to describe it as "Britain's Waterloo" and another to suggest that the country had become an "American satellite". Margaret Thatcher later described the mindset she believed had befallen the British political establishment as "Suez syndrome", from which Britain did not recover until the successful recapture of the Falkland Islands from Argentina in 1982.

A British minister thought which country was becoming an 'American satellite'?
Answer: Britain


Nanjing's airport, Lukou International Airport, serves both national and international flights. In 2013, Nanjing airport handled 15,011,792 passengers and 255,788.6 tonnes of freight. The airport currently has 85 routes to national and international destinations, which include Japan, Korea, Thailand, Malaysia, Singapore, USA and Germany. The airport is connected by a 29-kilometre (18 mi) highway directly to the city center, and is also linked to various intercity highways, making it accessible to the passengers from the surrounding cities. A railway Ninggao Intercity Line is being built to link the airport with Nanjing South Railway Station. Lukou Airport was opened on 28 June 1997, replacing Nanjing Dajiaochang Airport as the main airport serving Nanjing. Dajiaochang Airport is still used as a military air base.
When did the airport open for business?
28 June 1997