Out of all those in your list Prime hiruzen is the biggest mystery LOL1) How the Universe Came About
2) Black holes
3) Speed of Light Travel
4) Prime Hiruzen
5) Bermuda triangle pyramids
To keep their ears warm. They also held their radio earphones. Duh...Only mystery in life is why the Kamikaze pilots wore helmets.
Yes, because you want your ears warm before you explode into little pieces. The radio earphones could be right.To keep their ears warm. They also held their radio earphones. Duh...