Scientists put 3D glasses on praying mantises mostly to test their vision, but also so they could fully enjoy Chris Pratt in "Guardians of the Galaxy" like the rest of us. (Image Credit: Newcastle University) #science #3Dglasses #3D #prayingmantis #insects #research #vision #nature #chrispratt #guardiansofthegalaxy #3Dmovies #newcastle #newcastleuniversity