Most predators use stereoscopic vision for depth p...  ...insects? To find out, researchers put tiny little 3D glasses on praying mantises. Really.Birds and mammals can...  ...ing mantises. Really.Birds and mammals can see in 3D using the differences between the images observed...

Um, I hate to break the news to these undersea cre...  ...o break the news to these undersea creatures, but 3D glasses aren’t cool. You otter get something more f...