We do not, under any circumstances, have a perfect grasp on science. We do not know everything, and anyone into quantum theory will tell you we have just scratched the surface when it comes to most science.
That is why we still have incurable diseases. That is why we cannot travel beyond our solar system. That is why we cannot cure mental illness. The answer lies beyond what we are capable of. The answer will not come from a major breakthrough. It is a constant building of knowledge. And we have only been around X number of years. Out of the X number of years we have existed, we have only RECORDED our knowledge for Y number of years.
Now, if we truly do not understand most science, then it is more than possible that anything...and I mean anything....is possible. More so, it is PROBABLE