The sensory superpower that lets seals hunt in total darkness

BY THE OPTIMIST DAILY EDITORIAL TEAM When a fish moves through water, it doesn’t simply pass through and vanish. It leaves a trail of disturbed water behind it, something like the contrail of a plane across a clear sky. That trail is invisible to human eyes and fades within seconds, but to a harbor seal, […] The post The sensory superpower that lets seals hunt in total darkness first appeared on The Optimist Daily: Making Solutions the News.