Praying Mantises Sport the World's Smallest 3D GlassesWhat 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.
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Praying Mantises Sport the World's Smallest 3D Glasses
