Gesamtlänge aller Episoden: 22 days 6 hours 12 minutes
A brief tour of the last 4 billion years (dinosaurs not included) | Lauren Sallan
Why 1.5 billion people eat with chopsticks | Jennifer 8. Lee
The function and fashion of eyeglasses | Debbie Millman
Why pasta comes in all shapes and sizes | Paola Antonelli