By fitting praying mantises with teeny, tiny glasses, scientists have proved that these insects have 3D vision.
"Despite their minute brains, mantises are sophisticated visual hunters which can capture prey with terrifying efficiency. We can learn a lot by studying how they perceive the world," study researcher Jenny Read, a professor of vision science at Newcastle University in the United Kingdom, said in a statement.
To determine whether insects use 3D vision to hunt, Read and her colleagues had to come up with a way to show mantises both two- and three-dimensional images. So the researchers invented mantis 3D movies.
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