Ready for a test? A research study with an online vocabulary test for people in the Netherlands went viral after nationwide television coverage. In the weekend after the TV exposure, more than 300,000 ...

Learn vocabulary, pronunciation, and idioms using simple news stories. Includes text, audio and videos. Take quizzes, earn points and compete against your friends using this popular, free ...

As is now well-known, scores on “intelligence” tests rose strongly over the last few generations, world-wide—this is the “Flynn Effect.” One striking anomaly, however, appears in American data: ...