When the Empire State Building was constructed, its 102 stories rose above midtown one piece at a time, with each individual element combining to become, for 40 years, the world's tallest building ...

Forget 3D printing—DNA and water now build tiny machines that assemble themselves A new approach breaks down complicated designs into modular building blocks for easy assembly from the bottom up.

Building Nerf Gun Blasters from DNA Bricks Researchers ingeniously repurposed DNA to assemble a miniaturized blaster at the molecular level.