The Ancient Toy That Could Improve Health Care in the Developing World

The Ancient Toy That Could Improve Health Care in the Developing World
One of the most important machines in modern medicine can now be made with little more than paper, string, and tape.

http://ift.tt/2jdYidl January 10, 2017 at 04:10PM
via Digg http://ift.tt/2jdYidl