Here's a BBC Science correspondent, Tom Feilden: It's time to get down to the serious business of scanning our MPs–one left and one right-wing to see if we can find any differences in the structure of their brains.

下面是BBC科学记者汤姆·菲尔登的报道：是时候认真地扫描议员的大脑了——一个左派和一个右派，看看我们是否能在他们的大脑结构中发现任何差异。