Mo Rocca shows us microphones listening for deforestation; the bot that disinfects the sheets on your bed; the braille watch letting the blind tell time; and, how eggs became a common food throughout America.

Host Mo Rocca shows us the inventor of a bike that's changing the world for those with limited mobility; the emergency airplane slides for buildings and schools; glasses to prevent motion sickness; and, when the sewing machine replaced the needle and thread.