"We debate a lot about what subjects to teach," Luis von Ahn said ...

If you've earned less than 15 hours of college-level credit, you'll have to meet freshman admission criteria to be admitted ... Have your TOEFL, IELTS or Duolingo English test score(s) sent directly ...

Duolingo is making a big change: it’s moving on from hearts in favor of a new “energy” mechanic. The idea is to switch from a ...

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The mission of Harvard Business School is to educate leaders who make a difference in the world. In each MBA class, we create a dynamic environment that mirrors the breadth and depth of our world ...