The video, posted by Southeast Missouri Pets in Missouri, featured Lila's soulful eyes as she sat in her kennel, staring at the camera. In the caption, they wrote: "POV: you lock eyes with a dog ...

Through natural selection, different types of eyes have emerged in evolutionary history -- and the human eye isn't even the best one, from some standpoints. Because blood vessels run across the ...

Due to human intervention in natural selection ... Dogs see green, yellow and blue just as we do, but their eyes aren’t sensitive to red, which must appear as dark grey. Dogs do smile, but ...