Micro-robot that can clear arteries

A microscopic robot small enough to travel through blood vessels has been built by scientists. Less than a millimetre in size, the robot walks like a crab on six legs and has been designed to clear blocked arteries.

It was produced by researchers at Chonnam National University in Korea, who found the robot was able to travel 55 yards in a week. Once inside a blocked artery, it is able to release drugs to dissolve blood clots, which are often the cause of heart attacks.

Read full story in Telegraph