3D Printing

3D printing gives lab-grown beef Wagyu marbling 
Researchers have 3D-printed an active tumor
3D-printed nuclear reactor parts installed at US plant
NASA needs people to pretend they’re living on Mars
This 3D-printed graft may improve ruptured eardrum surgery
Surgeons can now practice on a 3D-printed copy of your liver
Many amputees couldn’t afford a bionic arm — until now
Startup turns sawdust “ink” into 3D printed wood
The first 3D-printed house made with dirt
AI reconstructs lost art painted over by Picasso