A  12-year-old Nigerian, Joshua Obadin, has emerged as one of the ten winners of the prestigious IDEASforEARS Children’s Invention Contest, earning an all-expenses-paid trip to Austria. According to a statement from a hearing implant company, MED-EL, Obadin, a Lagos-based innovator, received recognition for inventing a sleepwear cover designed for his friend, Master Mikel, who uses