Verdun by numbers
10 months. Duration of the battle: lasting from 21st February until 18 December 1916. Verdun was the longest conflict of the First World War.
data analysis
The American Revolution by numbers
£133 million - Britain's national debt after the Seven Years War. This enormous deficit prompted the introduction of unpopular new taxes in North America.
Machine learning
Rubina Raja & Søren M Sindbæk on cognitive technologies