Hip-hop has become a popular tool in teaching academic subjects, according to a recent report that shows more than 300 schools are incorporating the genre in classroom lessons. One educator teaches history by comparing the American Revolution to the East Coast versus West Coast hip-hop disputes in the 1990s, and compares historical figures with well-known hip-hop artists. Supporters say the teaching method engages students, particularly minorities, and helps them relate to the material. More here.