DNA supercoiling means under or over winding of the DNA strand and basically is to become more condensed and more organized. Supercoiling is very important as it compacts the genetic code and as if that was not enough supercoiling also regulates and oversees the access the the genetic code.
The parietal lobe contains the primary sensory cortex, which controls sensations such as touch or pressure.
I think the answer is the moon in its orbit around the Earth
