Spirals are actually quite common. Electromagnetic waves are spirals, the Earth’s orbit spirals through the galaxy. A spiral is just non-static circular motion. Circular motion is one of the most basic and widespread phenomena in the universe, at every scale. It’s not really mysterious that they would show up a lot.
Is it a double helix spiral? If so, then not that mysterious.
Spirals are actually quite common. Electromagnetic waves are spirals, the Earth’s orbit spirals through the galaxy. A spiral is just non-static circular motion. Circular motion is one of the most basic and widespread phenomena in the universe, at every scale. It’s not really mysterious that they would show up a lot.