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Beautiful medical testing

It looks like a piece of decorative iron, but it's really a tiny chip that allows blood to roll through its tiny tubes, casting off information a…

It looks like a piece of decorative iron, but it’s really a tiny chip that allows blood to roll through its tiny tubes, casting off information about what diseases may lie within

http://news.bbc.co.uk/2/hi/science/nature/8366405.stm