Nocturnal cow ants use polarized moonlight to find their way back to their nests.
Cody Freeze
They may have pinhead-sized brains and terrible eyesight, but carpenter ants can navigate at night by harnessing even the faintest polarized light emitted by the crescent moon.
Light from the sun and moon is made up of waves that vibrate in different directions, but when it enters the atmosphere it becomes polarized, causing the waves to align in the same direction across the sky. Many animals can sense and exploit this polarity of sunlight…
Source: www.newscientist.com
