Categories Articles Duolingo is replacing hearts with energy Post author By crystalg Post date May 12, 2025 The Verge Tags Duolingo, Energy, hearts, replacing ← Trump Welcomes Planeload of White South Africans, While Shutting Out Other Refugees → ‘They’re the Backbone:’ Walgreens Says Using Robots to Fill Prescriptions Helped It Save $500 Million. Here’s How.