Harvard Engineers Create the First Fully 3D-Printed Heart-on-a-Chip

The heart-on-a-chip is made entirely using multimaterial 3D printing in a single automated procedure, integrating six custom printing inks at micrometer resolution.

MIT Develops Nanobionic Plants That Can Detect Explosive

By embedding spinach leaves with carbon nanotubes, engineers transformed spinach plants into sensors that can detect explosives and wirelessly relay that information to a handheld device similar to a smartphone.

How a college student built a self-driving car for $700

The kids these days: Brevan Jorgenson, a college senior, has built a self-driving car using $700 in parts and free access to hardware designs and software. He has been driving it around successfully, and even taking his grandmother for a ride.

Is it legal, you might wonder? That are plenty of rules for automakers building autonomous vehicles, and enough regulatory inquisitiveness to keep parts suppliers from selling kits. But for a garage tinkerer who puts it all together, there appear to be few constraints.