Camera-fitted brain needle to make neurosurgery safer
A camera-fitted brain-probing needle might sound like something to steer well clear of.

The high-tech tool, dubbed the "smart needle", has been unveiled at the University of Adelaide and researchers say it will save lives.

It's a biopsy needle fitted with a fibre-optic camera the size of a human hair, allowing neurosurgeons to see inside a brain as they work and avoid blood vessels...