A praying mantis wears the tiny 3-D glasses. The new research could help robots interpret the world around them. Newcastle University, UK ...

Mantis 3D vision, it turns out, is based on movement (like a T-rex from Jurassic Park). Unlike most insects, the praying mantis has two forward-facing eyes.

Unlike most insects, the praying mantis has two forward-facing eyes. This led scientists to think this ambush predator has some form of 3D vision.