studylines

Is there any proof for the non-existence of vampires? It is just a belief that there are no vampires in this universe. Or probably many people had no oppoutunity to see a vampire.

vampires - I have seen

All of you had a teacher like that. Now, I am having a teacher like that. He teaches everything with only four terms: known, unknown, variant and invariant. Everything that he teaches is known to god and my beloved biophysical chemistry teacher!

There is a chemical answer to this question. One has to look at intellectual development of an individual; not on knowledge development or social development. If you try to answer - what is the operational basis of human intellect?, you will get an answer on consciousness