check your facts.. i meant go and check !
all of science in all of mankind's history follows a simple rule.
you go and evaluate the information at hand..
sitting on your ass with your eyes closed and your ears plugged does not solve any mysteries

The father of science was an Iraq guy he literally wrote the book.
https://en.wikipedia.org/wiki/Alhazen

If it wasn't for him and some of the other middle east guys 'Merica would be throwing spears around still.
So it's funny when they lost a drone and claimed Iran couldn't figure it out etc.

Smug people who owe every shred of their American science to Irag / Middle east guys.
When China burned books it was the middle east guys who preserved them all for people for hundreds of years
same with the burning of libraries in Greece.. 'Merica owes their way of life to those dumb "sand people"

There is no conclusive proof that ghosts exist ?

There is no conclusive proof that ghosts do NOT exist either..

How about Big Foot ? LOL

Chemtrails ?