BOSTON--(BUSINESS WIRE)--Global learning company Houghton Mifflin Harcourt (HMH) (NASDAQ: HMHC) today announced a new partnership with Osmo, creators of the award-winning platform that is revolutionizing the way children play and learn on the iPad. This partnership, the first of its kind for Osmo, will bring HMH’s market-leading math programs, learning content, and manipulatives to the new Osmo Numbers game, which utilizes Osmo’s Reflective Artificial Intelligence technology to create a collabo