[WP] The concept of shoot to kill is foreign to other galactic species. Only humans condition their warriors to kill in the most efficient and cold methods possible. When faced with a war they can not win a race does the unthinkable, they set the humans loose.
[WP] An archaeologist 5,000 years in the future digs up a store of nuclear waste, dismissing the warning of the deadly energy which it radiates as a myth of a long fallen civilization.
[WP] Aliens come to earth with a gift of technology far more advanced than our own. However for some reason they think welsh is the most common language and nobody but the welsh can understand them so they give their technology to wales, who refuse to share the technology, now the welsh rule earth.
[WP]"Worked out FTL? Well done!" The Galactic Council said, casually rejecting humanity's application. "Come back when you've finished off poverty and, maybe we'll talk."
[WP] You’d always wanted to be a rocket scientist, but oddly nobody hired you and so you worked alone. You launch your first prototype only for it to crash against the sky, darkening one of the many lcd screens that compose it.
[WP] An omnipotent dude walks into a military base. They can't kill him. They can't make him go. He hasn't hurt anybody but darn if he isn't annoying.
[WP] You just developed a machine which scans the brains of the deceased to explore their memories. A stranger walks into your office, places a brain-filled cooler on your desk, and offers you a large sum of money to scan it. What you discover changes history forever.
[WP]You turn on the radio one day to find another one of those rap songs where every 5th word is a curse word. Naturally the radio beeps it out, but you realize that it sounds familiar. you realize that the rappers are speaking in Morse code.