Noisy/Quiet: Range of Vibration Episode 5
Fast/Slow: Lifetimes Episode 18
Fast/Slow: Speed and Racing Episode 19
Fast/Slow: Time and Time Again Episode 20
Near/Far: Seeing Isn't Always Believing Episode 41
Near/Far: Mapping and Navigating Near Home Episode 42
Order/Disorder: Disordered Episode 49
Surfaces: Shapes and Functions at the Surface Episode 52
