Why Don't Sled Dogs Ever Get Tired?

About this video

Sled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolism.

Script Writer: David Goldenberg

MinuteEarth

MinuteEarth

This learning resource was made by MinuteEarth.
MinuteEarth

MinuteEarth

This learning resource was made by MinuteEarth.