Gesamtlänge aller Episoden: 17 hours 16 minutes
Considerate crows | The Vatican's milky walls | When Iceland's women went on strike | Mountain-climbing madness
Your gross ice | Play Super Mario with Grandma | The Eiffel Tower at night | Our forcefield atmosphere
Dogs are nerds | The trick to learning new skills | The great Halifax explosion | Pumice stones for whales
Prehistoric girl power | Turtles' butt-breathing power | How cuddling changes genetics | The negative power of perception
America's Thanksgiving indecision | The long history of the wishbone | Your gluten-less gluten sensitivity | A primer on naming countries
How the dinosaurs could have survived | The healing powers of daytime | The room in your house that bugs prefer | The incredible efficiency of the penguin waddle
How you're hijacking your dog's emotions | Right-handed bees | Chopin's pickled heart | England's sin-eaters
Plants can smell | Bacteria can feel | It snows sunscreen on a planet far, far away | The purpose of those silly little T. Rex arms
Earth-shattering salmon love | The secret genius of daydreaming | Our innate arachnophobia | Diagnosed with a broken heart
The olfactory defenses of the roundworm | Stress is ruining your diet | A fish's lament | The murderer behind the OED