Mo Rocca shows us the electronic glasses that allow the blind to see; the sun tracking umbrella shielding you from harmful rays; updates on past innovators from previous seasons; and, a look at George Washington Carver, who changed the way farmers farmed.

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.