When it comes to working out the relationships between ancient languages, grammar is more enlightening than vocabulary, scientists say. There are some 300 language families in the world today.

Children don’t have to be told that “cat” and “cats” are variants of the same word—they pick it up just by listening. To a computer, though, they’re as different as, well, cats and dogs. Yet it’s ...

The English Communicative and English Language and Literature papers of Class 10 were held for 80 marks and the time allotted was three hours.