164 votes

Realistic Santa and Reindeer

How many kids? This is the toughest factor to find. While Santa isn't specific to a single religion, traditions differ in various parts of the world, and belief rates in Santa Claus are not tracked ...
type_outcast's user avatar
  • 7,235
122 votes

Why isn't a magical obligate parasite living in a wizard library exterminated?

Regarding: There is no benefit for a wizard or mage to keep this creature around. I disagree. The parasite feeds on remnants of magic power used from experiments or spell casting. Often, it ...
vodolaz095's user avatar
  • 5,775
86 votes

What clothes would flying-people wear?

Everyone else is speculating when there are proper reality check examples. Flight suits that allow for free movement of wings, legs and tail are a thing. Some also contain diapers, so that your bird ...
The Square-Cube Law's user avatar
85 votes

Anatomically Correct Succubus

Warning - answer below might not be suitable for some readers. Sounds to me like a parasite is the most likely evolutionary track. We can imagine a creature like Cymothoa exigua - but instead of an ...
Jim's user avatar
  • 2,298
82 votes

Why is clothing turned inside-out my weakness?

Totally different perceptual system. Mythical creatures clearly don't prey on humans because they have to; they do so because they can. They have not evolved with human beings, they often come from a ...
LSerni's user avatar
  • 55k
79 votes

How would tiny dragons strike TERROR?

Cities in the Middle Ages were flammable. Like, really flammable. London suffered from two devastating fires and several smaller ones before the Great Fire of 1666 that destroyed most of the inner ...
F1Krazy's user avatar
  • 14.2k
78 votes

What Purpose Would a Unicorn's Horn Serve in the Wild?

It could be an organ for communication. As we know, Dolphins and Whales communicate by sonar sound waves. The teeth of dolphins are arranged in a way that makes them act like sonar antennae (read ...
Elmy's user avatar
  • 15.5k
74 votes

How do I keep my slimes from escaping their pens?

Bundt cake pen. Frisky slimes gotta move! If it hits a dead end it will start looking for cracks or go up the wall. But if there is a path of least resistance the slime will take it. It will head ...
Willk's user avatar
  • 304k
72 votes

Anatomically Correct Medusa

Before you read on, I’d like to first apologize for the length and any glossing over of subjects in my answer. Not sleeping well will do that ... and I doubt I’ll be sleeping after having written this....
platypus-rising's user avatar
68 votes

Plausible reason for gold-digging ant

Why would ants unearth pieces of gold? What evolutionary purpose would this behavior serve? It makes their chimneys work better. The workers gather the gold and bring it to the colony. The soldiers ...
Escaped dental patient.'s user avatar
67 votes

Physically, how do dragons grasp and *transport* the contents of their hoards?

If you're a dragon, why are you gathering coins one at a time? If I'm a dragon, the biggest baddest dude on Middle Earth or Faerun or wherever, I'm not going to pick-pocket people. I'm not robbing ...
kingledion's user avatar
  • 85.1k
66 votes

Why isn't a magical obligate parasite living in a wizard library exterminated?

Easy. They can't. Why are rats not exterminated easily? Cockroaches? Pigeons (in big cities, I remember an anecdote about one city that had a population of 50k pigeons, killed 120k over a few years, ...
DonQuiKong's user avatar
  • 3,179
62 votes

How would tiny dragons strike TERROR?

just to add to the other answers: Tiny dragons setting an entire city on fire not only is realistic, we have something similar in our world too: Let me introduce you to the Australian Firehawk Raptor ...
KiraraVS's user avatar
  • 962
61 votes

How to not starve gigantic beasts

The creatures eat rocks. The excreta from this is fertile loam that is ideally suited to farming. They can be trained to eat from rock formations in such a way as to create walls and fortification. ...
chasly - supports Monica's user avatar
60 votes

How do I scientifically explain a specific type of wood piercing through armor when not even bullets can?

The monster doesn't have armor - it has blubber. Bullets don't bounce of the monster - instead they penetrate, but not deep enough to pass through the protective layer of blubber. The blubber ...
Arcanist Lupus's user avatar
59 votes

What kind of deadly ranged weapon can pixies use against humans?

Don't bother killing humans, kill their stuff! When you kill a human they go crazy. Humans with weapons and blue flashing lights appear with big scary dogs that can smell pixies and chomp them down, ...
Ash's user avatar
  • 44.1k
57 votes

Werewolves have the same fur color as their human form's hair color. What gave humans the idea that they're all gray?

It was night time Werewolves are smart and deadly predators. It's rare for someone to see one and survive, and actual colours are hard to tell when all you see is a flash in the moonlight. They're ...
Thorne's user avatar
  • 45.9k
56 votes

Shapes for an infinite animal?

You specify "creature", but would a fungus fit your requirements? Taking inspiration from Armillaria ostoyae, one example of which is the largest living organism, covering 3.4 square miles of the ...
Dave's user avatar
  • 1,186
55 votes

Kaijuu-like monsters killing humans: What is their viable reason to do so?

They don't need one. Let's say you take a walk. You're killing millions of microorganisms every time you breathe. You might step on ants and hardly notice. Crunch a snail when you aren't looking. ...
Journeyman Geek's user avatar
53 votes

How do I keep my slimes from escaping their pens?

Glass jugs Make them big enough to accommodate your slimes; the slime should fill the bottom few inches and most of the jug should be empty space to prevent escapes. A slime that climbs up the wall ...
kingledion's user avatar
  • 85.1k
52 votes

What Purpose Would a Unicorn's Horn Serve in the Wild?

Display. A peacock's display feathers have no practical function and exist solely to demonstrate the animal's fitness as a potential mate. From a practical perspective, its display feathers are ...
Anthony X's user avatar
  • 1,090
50 votes

Realistic Santa and Reindeer

If people are living in a virtual reality, Santa will be a parallel process that can scale up as needed to handle everyone at the same time. Since the virtual realm will have been designed with Santa ...
JDługosz's user avatar
  • 69.2k
50 votes

What does the Minotaur eat?

Insects Tasty tasty insects. If insects aren't plentiful enough in the Labyrinth, he can supplement his diet with spiders. The Minotaur needs food which is calorically dense, but doesn't require ...
ckersch's user avatar
  • 46.2k
49 votes

Why isn't a magical obligate parasite living in a wizard library exterminated?

The librarians like them. Wizards don't like the creatures, but librarians like them. For one thing, it keeps the wizards from casting spells in the library. Any librarian will tell you that spell-...
Stig Hemmer's user avatar
  • 11.8k
48 votes

Anatomically Correct Medusa

Snakes for Hair This is pretty easy, actually. In fact, you could even have "realistic" hair-snakes, that move independently, without direct control of the medusa. Each "snake" is, in reality, a ...
ArmanX's user avatar
  • 12.3k
46 votes

Anatomically Correct Phoenix

Birds evolved from dinosaurs, but the Phoenix evolved from dragons. A baby phoenix has the vestigial need to eat ash, a trait it maintained from its ancient dragon ancestors. This is to due to a ...
Samuel's user avatar
  • 48.5k
46 votes

How could a magical, sentient library defend itself?

Since the library can manipulate memory by making people forget itself, I would just use that. Make people forget any plans the library (or whoever set the protection spell) does not approve of before ...
Ville Niemi's user avatar
  • 43.2k
46 votes

How to not starve gigantic beasts

We have a historical precedent for a world with monsters the size of houses. The difference was arguably higher carbon dioxide, and tropical temperatures, leading to richer and more vibrant plant ...
Jedediah's user avatar
  • 10.5k
45 votes

Anatomically Correct Sleipnir

Something that evolution very seldom does is create extra limbs. One of the best reasons for this is that there's no viable intermediate forms; you have to grow the new limbs to the same length as the ...
DaaaahWhoosh's user avatar

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