We're not taking the tech in our life for granted this week, so we're looking at our fridge, social media, touch screen, and cyber security.
We chat to Professor Lisa Harvey-Smith, reef scientist Emma Kennedy, a company making electronic starter kits for girls, and find out about the history of Women in STEM on this episode.
Meghan Trainor and Tenacious D compete in a series of experiments and illusions to break down how the brain works. Hosted by Keegan-Michael Key.
Lee explains how touch screens on smartphones work. Try some experiments to see what kind of objects can swipe on a touch screen and what kind of objects cannot. What did you discover?