What do rap shows, barbershop banter and Sunday services have in common? As Christopher Emdin says, they all hold the secret magic to enthrall and teach at the same time — and it's a skill we often don't teach to educators. A longtime teacher himself, now a science advocate and cofounder of Science Genius B.A.T.T.L.E.S. with the GZA of the Wu-Tang Clan, Emdin offers a vision to make the classroom come alive.