For a low-cost solution, Karthik Urs, then at the University of Michigan in Ann Arbor, and his colleagues 3D printed a robot with legs that can be adapted to match those of various species — complete ...

The still-classified review of the 1962 war did not publicly name every failure, but what emerged over the decades points to deeper problems in planning, supply and assessment.

D bioprinting, in which living tissues are printed with cells mixed into soft hydrogels, or "bio-inks," is widely used in the ...