10 Scientific Theories That May Be IMPOSSIBLE to Prove 

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The toughest question is hard problem of consciousness

Sometime in the simulation,somebody is captured.

"why are femboys hotter then real girls" top 10 anime betrays

Alien life returned to watch their civilizations; MAYBE?

Quantum.

Bolsanaro 0:16

I think the toughest question in science is, what is the 1/76 scale weight of 126t? Nobody can give me an answer.

How did Cain of the 'Adam, Eve, Cain & Able' get a wife? Was she an Alien?

You start by saying "theories that science may never prove (or disprove)". Then you correctly define scientific theory. After that you completely go off the rails by spouting platitudes and misnaming them "theories". They aren't by any stretch of the imagination. At BEST they're conjecture. Questions asked that may or may not have any basis in fact. Some of the things you put up, like the Fermi Paradox, were mere morning tea conversation starters, that have become part of serious investigation leading to remarkable conclusions. E.g. the "Lucky Planet"/Rare Earth Theory. Others like white holes, string theory and multiverse theory and wormhole theory, while are mathematically proveable, have no observable phenomena, so remain in the realms of conjecture and hypothesis - not yet achieving the status of theory. It's important to remember, theory is testable, and not set in stone. Theory assumes that the proposition is the sum of all known proveable knowledge at the time, which can be tested and inclusive of further knowledge, until contradictory evidence disproves the theory. At which stage, the theory is amended or incorporated into another. You really should stick better to accepted scientific definitions.

Albert EINSTEIN is wrong everybody knows its Bells Inequality none local noneocality and none realism proved so no body is probably right I am sure a about that 100% .