Host Mo Rocca shows us the robot helping keep hospitals running smoothly; the device that can detect if that spot on your arm is skin cancer; concrete that drinks up rainwater; and, how hybrid technology goes back a lot further in history than you might think.

Host Mo Rocca shows us the medical device giving shots with pressure instead of a needle; testing your eyes for glasses with an app on your phone; the airbag backpack saving people during avalanches; and, a glimpse at one family's life during the 1930s.