The Fifth Power in Nature | Dark Matter in the Universe | The cohesion of the universe
Physicists and astronomers have concluded that the majority of the matter in the universe is the "dark matter of the universe", which we can infer from its gravitational effects and through the coherence of the universe, but not through electromagnetic effects, as in the case of ordinary matter. But dark matter in the universe, one of the simplest concepts in physics and the fifth force in nature, can be a mystery in the coherence of the universe because of our human perspective.
https://m.youtube.com/watch?v=gC-N6zdeJU8&t=11s