Health.Zone Web Search

Search results

1. Results from the Health.Zone Content Network

2. Duolingo English Test - Wikipedia

   en.wikipedia.org/wiki/Duolingo_English_Test

   The Duolingo English Test (DET) is a standardized test of the English language designed to be internet-based rather than paper-based. DET is an adaptive test that uses an algorithm to adapt the difficulty of the test to the test-taker. [1][2][3] It was developed by Duolingo in 2014 as Test Center [4] and grew in popularity and acceptance at ...

3. Duolingo - Wikipedia

   en.wikipedia.org/wiki/Duolingo

   Duolingo, Inc. Language, music, and mathematics courses and language assessment. Duolingo, Inc., [b] is an American educational technology company that produces learning apps and provides language certification. Duolingo offers courses on music, [5] math, [6] and 43 languages, [7] ranging from English, French, and Spanish to less commonly ...

4. Luis von Ahn - Wikipedia

   en.wikipedia.org/wiki/Luis_von_Ahn

   Duolingo logo. In 2009, von Ahn and his graduate student Severin Hacker began to develop Duolingo, a language education platform. They founded a company of the same name, with von Ahn as chief executive officer and Hacker as chief technology officer. In November 2011, a private beta test of Duolingo was launched and the app was released to the ...

5. 52 Incredibly Cool Things That Are Free Online That Everyone ...

   www.aol.com/52-helpful-things-free-everyone...

   Image credits: agentp2319 #5. I built [qrfa.st](https://qrfa.st) which offers free qr codes. I built it because I heard horror stories about people making qr codes, only to find out later they had ...

6. Learn a new language with Duolingo's chatbots

   www.aol.com/news/2016-10-06-duolingo-language...

   Duolingo has been offering language learning tools for a while now, but today the company debuted a new tool inside its iPhone app that could make the task a bit easier. Thanks to AI-powered ...

7. Severin Hacker - Wikipedia

   en.wikipedia.org/wiki/Severin_Hacker

   Carnegie Mellon University (PhD) Known for. Duolingo. Scientific career. Institutions. Carnegie Mellon University, ETH Zurich. Doctoral advisor. Luis von Ahn. Severin Hacker (born July 6, 1984) is a Swiss computer scientist who is the co-founder and CTO of Duolingo, the world's most popular language-learning platform. [1][2][3][4]