Add Yahoo as a preferred source to see more of our stories on Google. These 3D-printed skulls are made with PLA (Polylactic acid) filament. 3D printing is making the dirty business of mounting an ...

This story is part of a series on 10 life-saving medical breakthroughs. Click here to read the rest. GREG MORRISON, 63, spent decades working as a systems engineer. Now, his own head is a feat of ...

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