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The more scientists discover about desert ants, the more impressive they seem. Decades of research have established that ants use path integration – an innate form of mental trigonometry – in order to navigate the visually featureless environments that are the salt pans of Tunisia.

For years cars have had warning systems to let drivers know when they're about to back into something.

A new prototype device allows the visually impaired to more easily walk the streets using sonar-like technology to create an impromptu spatial picture. Blind and visually impaired individuals may soon be walking easier with “virtual canes.” A new device developed by a team affiliated with Israel's Hebrew University allows users to detect all objects within 10 meters for safe navigation. The cane uses sonar-like technology, turning users into virtual batmen and batwomen