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Police arrest protestors in US – level 3
07-05-2015 15:00
Protests have taken place in several US cities over...Medical 3D printing helps babies – level 1
08-05-2015 07:00
Two doctors work at a university hospital. It is...Medical 3D printing helps babies – level 2
08-05-2015 07:00
Two doctors who work at a university hospital in...Police arrest protestors in US – level 1
07-05-2015 15:00
Police arrest a man. He is African-American. This happens...