Tied Up in Knots

Anything that can tangle up, will, including DNA

Knotted threads secure buttons to shirts. Knots in ropes attach boats to piers. You can find knots in shoestrings, ties, ribbons, and bows. But even without Boy Scouts or sailors, knots would be everywhere.

CATALOG OF COILS. Ropes knotted up spontaneously when tumbled in a box.