There is still a great deal we don’t know about the Universe. Consider this quote regarding neutrinos speeding up radioactive decay:
“What we’re suggesting is that something that doesn’t really interact with anything is changing something that can’t be changed.”
Quote from Jere Jenkins, Purdue nuclear engineer. Source: Dan Stober, The Strange Case of Solar Flares and Radioactive Elements, August 23, 2010, http://news.stanford.edu/news/2010/august/sun-082310.html.