Never Do The Blinking Contest With A Husky

They always win. This picture however does raise a question that I have never been able to answer conclusively . . .

Besides the different color eyes can freak you out.

By the way, I first thought this was an Alaskan Malamute. However, the eyes of the Alaskan Malamute are always brown while a Husky can have brown eyes, blue eyes, one of each or a split eye. I have been able to find out why scientists believe the Husky developed this variation in eye color. Do you know?