Martial arts headlines include Her Imperial Highness visiting the Kodokan and the opening of a state-of-the-art dojo in Zanzibar, major achievements like Andi Johnson earning the rare 6th-degree Taekwondo Master title and Nicholas Buckly earning a fourth-degree Black Sash, and insights into MMA such as Gordon Ryan's analysis of Dagestani grappling efficiency and Alice Pereira setting a record as the youngest woman to fight in the UFC