"Dragon Ball Super" upcoming episode 75 would revolve in Goku's desire to be more powerful. Unfortunately, he doesn't have a training partner. His old pal, Krillin then saves the day by agreeing to train with him.
Another claim of dark matter has been rejected by XENON100's results. Dark matter has not yet been detected and still eludes detectors and researchers all around the world. Further experiments will possibly find the elusive type of matter, but until then, the universe is open to exploration.