As "TikTok refugees" flood to Chinese site RedNote, language learning app Duolingo has reported an over 200% spike in people ...

President Xi Jinping has touted people exchanges as the foundation of healthy US ties. A flood of TikTok “refugees” to ...

Trading options involves greater risks but also offers the potential for higher profits. Savvy traders mitigate these risks ...

I’ve always wanted to be fluent in multiple languages, but at 27 years old with just English under my belt, I think I’m ...

Introduction English has become a global language unlocking opportunities for education career advancement and cultural exchange For individuals seeking to improve their English proficiency the good n ...

To find out, systems are subjected to a range of tests—often called evaluations, or ‘evals’—designed to tease out their limits. But due to rapid progress in the field, today’s systems ...

Duolingo also has a system for keeping its users engaged. While it's a little more time-consuming, the company does A/B tests on all of its features. This constant refinement lets it double down ...