What might be the world's smallest 3D glasses have been developed for praying mantises. People, horses, falcons, cats, monkeys and even toads have 3D vision -- but until 1983, everyone thought that invertebrates didn't, because their brains were so small and simple. That year, Samuel Rossel of the University of Zurich in essence said that mantises had 3D vision. Now researchers have launched a five-year program to study mantis 3D vision. They aim to establish whether mantis 3D vision is capable of more than range-finding.Praying Mantises Sport the World's Smallest 3D Glasses
What might be the world's smallest 3D glasses have been developed for praying mantises. People, horses, falcons, cats, monkeys and even toads have 3D vision -- but until 1983, everyone thought that invertebrates didn't, because their brains were so small and simple. That year, Samuel Rossel of the University of Zurich in essence said that mantises had 3D vision. Now researchers have launched a five-year program to study mantis 3D vision. They aim to establish whether mantis 3D vision is capable of more than range-finding.
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