Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
In 2002, there were no billionaires in China. In 2007, there were 106 billionaires.
129
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5