Duolingo, best known for its whimsical owl and language-learning app, is working on a new product to add to its growing suite: a math app, according to CEO Luis von Ahn. The co-founder mentioned the ...

You may draw examples from Miguel Secillano, Terence Tao, or even from Shakuntala Devi, all you want – but if getting your kid to sit with their math homework is nothing short of a challenge for you, ...