Graph maker Cold front hits Northeast China and Inner Mongolia, with local temperatures dropping by more than 10°C, and some areas such as Xinjiang still h ...

Line graph maker Excel What happened to the death of Sequoia's founder? The true legend of Silicon Valley has passed away A Dutch family of seven ...

In 1944 its 1,100 workers produced a "staggering" seven million nautical charts that showed servicemen and allies the exact locations and routes to take during the Normandy landings. Mr Webb said ...