The Oort cloud is a vast belt of dust and ice that is believed to lie around one light year from the Sun and is the origin of many of the comets that pass through our solar system.

奥尔特云是一个由粉尘和冰组成的庞大云带，据信它距离太阳约一光年，许多穿越我们太阳系的彗星都来自那里。

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An analysis of wine prices by two French researchers shows that prices are driven by the label on the bottle, which gives the year and the origin of the wine.

两位法国研究人员撰写的一篇关于红酒价格的分析文章表明，红酒的价格是由酒瓶上的标签决定的——标签上写明了酒的年代和产地。

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More and more, these diseases are a public health threat, and almost every year the world's population is at risk of another disease of animal origin.

这类疾病不断增加对公共卫生的威胁。世界人口几乎每年都要受到一种新的源自动物的疾病的威胁。

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Darwin published On the Origin of Species a year later.

BBC: Alfred Russel Wallace's 19th Century letters go online

The idea was first published in a scientific article by both scientists, printed in 1858, although it is often attributed solely to Darwin, who published On the Origin of Species a year later.

BBC: Alfred Russel Wallace statue at Natural History Museum

New Year's Day has no very religious origin, and so can be celebrated by the most zealous secularist - but perhaps not with new year resolutions, which are a Puritan tradition of spiritual improvement.

BBC: How much Christianity is hidden in British society?