A traditional Japanese card game has been given a new spin by an expert on midwifery as a fun way to teach students about sex and dating etiquette.Minako Saho of Osaka Prefecture University in western Japan came up with a version of "karuta" in 2013 to help create a more relaxed classroom environment for teachers and students to discuss what can for some be an awkward topic.Traditionally played during New Year's celebrations, karuta uses cards with poems or proverbs on them. It contains two sets of playing cards: a picture card known as a "torifuda" with a picture and the first syllable of …READ FULL ARTICLE