How clans form and evolve within human societies has been modeled using a simple computer model developed by a RIKEN ...

The brain teaser read: "Simple Math test: 9 = 63, 8 = 48, 7 = 35, 6 = 24, 4 = ?" This puzzle also caught the attention of many, with people struggling to find the pattern. It’s this kind of ...

The test's purpose, Sanzi added, is to screen out teachers who lack "basic competency in reading, writing and math." "It is a major red flag that so many aspiring teachers fail that test — and ...