Since the day the human brain evolved, it never stopped thinking and figuring out how the universe works, from where it came, and how will it end.
This gigantic universe has been around for over 14 billion years, and it still hides many secrets and mysteries that drive scientists and astronomers crazy to this day.
Humans are known to be curious creatures by nature, which is why we never stop asking questions. Sometimes, we even lose sleep trying to figure out many things, even Google doesn’t seem to be a satisfying source to our thirst for knowledge anymore.
So if you have many unanswered questions, here are the ones that humans stood still in front of and couldn’t find a clue for them.