Mantises get tiny 3D glasses to test depth perception

Next, an insect-sized showing of Ant-Man.

The praying mantis is the only known invertebrate with 3D perception, however this fact was originally proven in the 1980s using prisms and occluders, which only support a limited number of images. Scientists want to deepen their understanding of the insect, so they've taken this research a step further by testing a few mantises with tiny 3D glasses. A team from Newcastle University created a miniature cinema in the hope that the insects would move when they perceived 3D images with the appropriate lenses. The trick worked, but only with a specific kind of spectacles.

Gallery: Mantises wearing 3D glasses | 8 Photos