Background Universe is a 'yajna' an evolutionary sacrifice in which one form sacrifices to build more complex forms. But it is not one yajna. There are five Yajnas running one inside another in the Universe, according to Brhadharanyaka Upanishad. Each of these Yajna has a 'Purusha', the observer, a 'Pazu' that is sacrificed and evolving (called Prakrti or Stri, the evolute). This observer or witness or sAksi (puruSa) driving the evolution of evolute (prakRti) is a design pattern across these five yajnas. What are those five yajnas..? In my understanding they are 1. Energy evolution : Dark energy driving the evolution of energy. Here Dark energy that expands the Universe is the puruSa, Energy that undergoes transformation is prakRti or pazu or the 'stri' 2. Particle evolution: Dark matter driving the evolution of quantum states of matter. Here Dark matter is the puruSa, matter that undergoes transformation is prakRti or pazu or the stri. 3. Matter evolu...