Using brain scans to measure blood flow, British researchers discovered that a brain region known as the ventral striatum was more active when subjects chose unusual objects in controlled tests.
THE British prime minister, David Cameron, wants to measure his nation's happiness.
英国首相大卫·卡梅隆,想要衡量本国的幸福。
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Yet that measure is unlikely to be implemented, even though the big British Banks and the London-based operations of global investment Banks have agreed to it.