As if by magic, three squares of paper become a heart, a bird and a box. Origami instructor Janet Deen breaks the magic down into steps to fold the paper into three-dimensional objects. “It’s that ...

Researchers in Denmark and Germany have used an origami technique to make a nanometre-sized box with a lid that can be locked and unlocked. The box is made of DNA and measures 42 × 36 × 36 nm, which ...

Figure 1: Design of a DNA origami box. To further investigate the predictability of the 3D folding, we assembled an open DNA box in which the staple strands closing lid D were omitted. AFM images ...