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In March 2014, physicists at the Harvard-Smithsonian Center for Astrophysics announced finding evidence that pointed to the existence of 'gravitational waves', which supports the 'cosmic inflation' theory which postulates events in the immediate aftermath of the Big Bang.

The Economist newspaper headlined its article about this announcement: "_____ flexes its muscles". What was the blank, and why?

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This day last year: Q.927

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In Jan 2017, Finland became the first country in Europe to officially experiment with this socio-economic concept. Similar experiments are scheduled for many Dutch cities and the Canadian city of Ontario in 2017. In the case of Finland, the figure is 560 Euros a month. What concept?

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