An animal care curator shows us how she's helping to conserve small desert cat populations. Dr. Brain reveals why you sometimes see faces in inanimate objects. Then, we get crafty – building morse code robots! And we meet a textile engineer who's making the sustainable fabric of the future. 

Meet an engineer who does her work … underwater. Then, learn how to build yourself a robot who brews you tea. And does your brain need language to think? Dr. Brain can explain. Plus, discover how science helps one woman create hit pop songs.