On Downstream: Med-tech to change global healthcare

The week's top stories from the world of science and technology from Al Jazeera Technology Editor Tarek Bazley.

This week: We look at four low-cost high-impact technologies that could change global healthcare, how a new US law aimed at tackling cybercrime could see white-hat hackers being prosecuted, how extreme competitors in the Yukon could help prepare us for space travel, the technology behind new robotic limbs and 3D mapping the world's endangered coral reefs.

Source: Al Jazeera