Sperm and semen are as normal as men on the planet. Be that as it may, aside from realizing that it originates from the male private parts and is essential for making infants, there are still a ton of stunning things about it that a large portion of us don't have the foggiest idea. Case in point, throughout World War I, British spies had the brilliant thought to utilize semen as imperceptible ink. After one operator chose to store his semen in a flask, the letters he sent utilizing the undetectable ink stank so much that his handlers were compelled to send him a letter letting him know that a "new operation is fundamental for each one letter." But even that could not hope to compare to . . .