Well
Science and spirituality are basically the same thing in different form.
One deals primarily with denser states of energy.
The latter deals primarily with low density forms of energy, which we get to experience during meditation etc.
The thing about the latter is , that it is an individual journey.
And just as in science, unless an individual isn't willing to learn the truths out there, he wont be learning anything at all.
Just as in science, a particular set of conditions like a vegetarian diet, discipline < mental and physical > , meditation, breathing techniques etc aids in discovering this energy hidden in our bodies , and thus our worlds.
And as is the case in science, just like the way you would learn from a high end professor who is doing research in an area, you learn a lot from the words of enlightened masters or from themselves.
One of them is Paramahansa Nityananda... Others would be Paramahansa Yogananda, Confucious, Lao Tzu , OSHO,Zen masters, Jesus Christ, Buddha, Siva Baba, HamsaYogi ... and many others.
My experience in research in this area would include Hindu scriptures like Vedas, Upanishads, Bhagawath gita, Ashtavakra Gita, principles of tantra and things like that.
The funny thing is that, most of the scriptures seem to claim that all of us are indeed one. and our egos tend to limit the grandiose reality that we are.
We tend to get stuck in one area of the mind, which would be just the conscious , and classify the rest of the mind as sub conscious only, without even realizing the existence of sub sub conscious < where the seeds of our sub conscious impressions or desires generate > , sub super conscious < where intuitions come from , and mind you even Einstein says that intuition is the highest thing that could happen to a scientist > and the super conscious mind < which is the state of godhead > .
Friends,
I guess its time that we really took on this journey of spirituality scientifically, by exploring like a scientist within, and base all our theories based on our experiences alone, and validate that with experiences of others, and that in the scriptures.
Honesty as in any research should reveal you the ultimate grandiose in this universe, instead of clinging on to the externalities of mind which are good or bad.
WISH YOU ALL GOD LUCK!! MY PRAYERS WITH YOU!! :)