Some havenworlders and some humans are playing cops and robbers as a training exercise and the Havenworlders quickly learn that humans can control their predictory aura, by either increasing it to a degree that it would make even a vorax run in fear or decrease it to the point of nonexistence. And the worst part is that the humans aren't even aware of it.
An alien equivalent of a lawyer is studying up on various human court cases and stumbles upon a series of cases from family courts dated up to the mid 2030s citing "deviant sexual attitudes" or "deviant sexuality" as reasons for being an unsuitable parent. Upon consultation with its human liaison as to the nature of these cases, the alien discovers the murky and dark legal situations around kinks.
They were doomed. The copper tin alloy for the critical drive component they desperately needed was on a planet weeks away, and even if they had it, they couldnt make the part on the ship.
That's when the human walked into the bridge mopping sweat off hir brow
"All fixed let's go"
"What do you mean all fixed"
"Simply, I made a cast of the part with the pieces, then melted down the original and re cast it. It should last to the next port, the one after at a stretch"
"You what...?!? But how"
"Surely you guys know the concept of recycling?"
"Yes, but I've never heard of ANYONE doing it MANUALLY!!!"
There are some scienists that wants to make human look unbridled and unthrustworthy. They make a bullet with weird mixture that makes humans agressive and bloodthirsty.
Human [name] was spending some time with her co-workers when she feels a little pain in her neck, she blackout. When she wake up she was bonded by her friends and not her blood was on the floor, her and her co-worker.
(sorry for everything bad in this prompt. My grammar isn't perfect. Anyway English isn't my native language )
Obsession about humans it's almost natural in some species. Scientists literally love watching his human being on tests. But some scientist went too far, when they ask: How much pain can human endure before he give up?
Humans have a way of betting that causes the right people for a particular challenge to attempt what is at the time seemingly impossible.
An Inducement prize Contest like the "Ansari X prize" for making the first reusable private Spacecraft, or a Wager like the story of "Around the world in 80 days", even just friends and the ole "Hold my beer".
Humans strive to do the impossible because they like to win. its in the DNA
With so many deathworlders in the crew, their was bound to be at lease one personal chamber decorated in horror and all things creepy. That was not surprising in the least. The surprising part is that this is the room of a class 5 havenworlder.