Shedding light — on the polar night

Krill eyeballs. The werewolf effect. Diel vertical migration. Arctic marine biologists really talk about these things. There’s a reason for that — when it comes to the polar night, when humans see only velvety darkness, krill eyeballs see things a little differently. And when the sun has been gone for months, during the darkest periods of the polar night, the moon does unexpected things to marine organisms. Learn more about what biologists are figuring out about the workings of the polar...