Around one in six secondary school pupils are unable to write a simple story or message at the end of their second year, according to an education ministry inspectors’ report. The problem is ...

Depending on the underlying graph, you also need to handle cycles intelligently. In social networks, mutual relationships are ...

Acclaimed as a mathematical genius, Ada Lovelace is said to have understood the potential of the first computer blueprints better than their inventor. A serendipitous friendship with the mathematician ...