Host Mo Rocca shows us the London innovator creating artistic globes of the world; the woman who took her grandmother's tea recipe to make food last longer; the drone finding and clearing landmines from war-torn countries; and, the place where modern-day technology began.

Host Mo Rocca shows us the social worker who created a wireless phone-charging purse; reversing hidden hunger by enhancing food nutrition; the daddy of java, Mr. Coffee; and, turning fog into water.