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Bats build mental maps to recognise surroundings

Bats build mental maps to recognise surroundings

The study proposes that template-based place recognition might underlie the sonar-based navigation known as echolocation that bats usually are known to use for navigating and finding food in the dark. 
 

A hearing aid that guides blind walk safely

A hearing aid that guides blind walk safely

A tech start-up, floated by a former Wipro geek, has innovated a smart hearing aid with sensors to make the visually challenged (blind) walk safely by avoiding objects on way.