Episode #413
Length: 29 minutes
During an argument over what is better - horns or antlers - Martin and Chris decide to go on an adventure with the horned Narwhal of the Arctic. But once they get there, they soon discover sometimes a horn isn't a horn and soon are unraveling the mystery of this amazing creature. Science Concept : Differences between horns, antlers and tusks. Rare growth patterns.
Passport (VOD)