Burning gas has been used to make diamonds before but Professor Zhou is the first to show that the gems form deep inside something as simple as a candle flame.

以前人们曾用过燃烧气体的方式来获得钻石，但是周教授第一个向我们展示了珠宝深藏在像烛光一样平凡的物体中。

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But the designers had also promised to make the first low carbon Olympic flame, and then couldn't come up with anything good enough.

尽管设计者们当初信誓旦旦地保证这会是奥运会史上首个低碳火炬，他们现在却无论如何也做不到尽善尽美。

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It was here that I first learnt of the flame-throwers usedduring the Spartans' siege of Delium.

就在那个时候，我了解到斯巴达人围攻代立昂期间曾使用过火焰投射器。

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Making its way to Britain, the flame will first take in Greek archaeological sites including the Acropolis and Olympic Stadium in Athens, site of the first modern Games in 1896.

CNN: 2012 Olympic flame lit in ancient stadium

The first person to carry the flame there was Elaine Peart, who has bipolar disorder.

BBC: London 2012: Four Paralympic flames kindled around the UK

Russian security firm Kaspersky Labs, which was among the first to reveal details of Flame, told the BBC that it could take months, or even years, to determine where it had originated.

BBC: Flame: Israel rejects link to malware cyber-attack