To study the behavior of T-cells, an unusual method was used: DNA molecules were folded in an ingenious way, similar to the paper folding art origami. In this way, not just a double helix is created, ...

1. Take a rectangular origami paper and fold it in half. 2. Then fold it partially, to make a crease on top. 3. Fold the two upper corners to form a triangle. 4. Now fold both the bottom layers of the ...