This misses one of the best mantis shrimp facts. One of its receptors only detects circularly polarized light But the only thing we know of, in the entire nat

This misses one of the best mantis shrimp facts. One of its receptors only detects circularly polarized light But the only thing we know of, in the entire natural world, that emits circularly polarized light... is the reflection off the shell of the mantis shrimp.