42 votes

How horny can humans get before it's too horny

You have the wrong horns for your stated goal of defense. Long pointed horns a bad for defense, and even worse on the head of a biped. There is a reason humans only ever put horns on ceremonial ...
John's user avatar
  • 81k
38 votes
Accepted

How are sapient crows utilized if there are phones for communicating?

Haven't you seen the LoTR? What uses has Saruman for the flock of crows? They are used to spy and refer to their Lord. You can do the same. A smartphone, no matter which generation it is, still ...
L.Dutch's user avatar
  • 287k
35 votes

Is this super soldier viable and grounded?

Usually hard sci-fi and "nanomachines anything" don't work together, but your super-soldier has more serious issues that have to be addressed first. Don't bring a fist to a bomb fight. Even ...
Mermaker's user avatar
  • 9,064
28 votes

How would a creature adapted to life in a completely dark environment also have the ability to change its skin pattern like an octopus?

That this creature has skin that can change colour tells us something about the universe from which they come. Perhaps that 'pitch black' universe is pitch black in that it has no stellar light ...
Monty Wild's user avatar
  • 60.3k
25 votes

How are sapient crows utilized if there are phones for communicating?

Crows can do many things that phones can't. For instance, they can deliver many things besides messages. Small things, to be sure, but quite possibly of magic significance. They can wriggle into ...
Mary's user avatar
  • 28.9k
23 votes

Is this super soldier viable and grounded?

Most of your Augmentations are Counter Productive The implant is also used as a cybernetic interface that will operate the Titan armor This one little detail derails your whole idea of what a super ...
Nosajimiki's user avatar
  • 92.9k
20 votes
Accepted

How would a 4-armed, blind species,use firearms?

[Frame Challenge] They probably wouldn't. As @Questor hinted at in a comment, if this species has hearing as their primary sense, they'd be reluctant to use explosives as a propellant for the same ...
MediocreFantasy's user avatar
20 votes

How horny can humans get before it's too horny

You can cover the whole body with sharp, pointy horns if you want... but before you do that, you may need to justify yourself. How did these horns get there? Did they evolve? If they evolved, what ...
Monty Wild's user avatar
  • 60.3k
20 votes

What is the size of the largest possible flying animal? Realistically speaking?

Quetzalcoatlus may be the largest flying creature in Earth's history, with an 11m wingspan. If that's not big enough, take 10 of them and attach them together in a long train. You could have an animal ...
causative's user avatar
  • 7,312
18 votes

How can I make two hearts work?

Vasoconstriction The actual volume of blood in the heart itself isn't particularly large -- only about 0.25 L. A reasonable puddle, but it's not going to kill you to lose it. (It's less than a ...
R.M.'s user avatar
  • 2,637
18 votes

Labour-Intensive staple crop

Incompatible with reaching the Industrial Revolution The problem is that if the crop was that labour intensive then the society would not have survived to reach the Industrial Revolution (IR). Let's ...
KerrAvon2055's user avatar
  • 27.6k
17 votes

Where should an electric organ go in a human

This is a Frame Challenge You appear to be setting the size of the organ without first deciding how the organ operates. Unless you have a reason for such a large organ that you've not explained, ...
JBH's user avatar
  • 123k
17 votes

Why are extra-dimensional monsters harmed by electricity but not physical blows?

Electromagnetism is Mirrored Across Dimensions This is at odds with how we understand actual additional dimensions to work, but so are extradimensional horrors, so we can roll with it. If you shoot a ...
jdunlop's user avatar
  • 32k
16 votes
Accepted

Muons as an Energy Source for Life

I’m afraid there’s no plausible way. There aren’t enough muons in the environment for bacteria to use them. Only about 150 muons reach a square metre of the Earth’s surface per second. Which means ...
Mike Scott's user avatar
  • 20.2k
16 votes

How are sapient crows utilized if there are phones for communicating?

Messages sent via phones and internet are sent via multiple parties: the local providers at the end, and one or more backbone providers. Each of them can be compromised, either because they are hacked,...
Abigail's user avatar
  • 701
15 votes
Accepted

Could a species be highly apathetic to their brethren yet have a strong pack/herd mentality?

Maybe they are like ants, but bigger, more independent and more intelligent. Still, like ants. What looks like apathy on the surface is potentially an adaptation to environment that is incredibly ...
Jani Miettinen's user avatar
15 votes

What is the size of the largest possible flying animal? Realistically speaking?

Very big (if you include lighter-than-air creatures) Historically, airships were massive, dwarfing even the biggest flying machines we have today from rockets to aircraft to (the few) of today's ...
Dragongeek's user avatar
  • 22.9k
14 votes

How might this creature evolve a biological gun

So, what you've described (whether intentional or not) sounds eerily similar to the Tyranids from WH40K and their Bio-Weapons: Details here In the Lore - there's different types of Ranged bio-weapons, ...
TheDemonLord's user avatar
  • 24.7k
14 votes

How would one design a superhuman?

Whenever people start talking about super-soldiers, they often fail to realise the trade-offs that must be made. Without considering the difficulty of making any effective biological changes to ...
Monty Wild's user avatar
  • 60.3k
13 votes

How horny can humans get before it's too horny

Anything more than a handful is too much. Humans have something no horned animal has: prehensile hands. Any horns large enough to be grabbed will be a massive disadvantage in a fight, giving the ...
Jack Aidley's user avatar
  • 7,507
13 votes

What types of materials would be generated by a lava monster that has been cooled down rapidly?

A minor frame challenge: You're not looking for gems that might form as it dies, but gems that it reasonably might have Diamonds, Peridot, Garnets, I think Rubies and Sapphires as well all form in the ...
lupe's user avatar
  • 5,437
13 votes
Accepted

Why does a vampire have tusks?

"The Boar" was one of several subspecies of vampire to evolve hollow, hypodermic fangs which suck blood from its prey, rather than solid ones used to punch through skin and cause bleeding. ...
KEY_ABRADE's user avatar
  • 12.8k
12 votes

How might this creature evolve a biological gun

PENISES This is an example of Nature did all the hard work for you. A gun is, essentially a tube of some length from which a projectile is expelled at some velocity. Every male on the planet knows ...
elemtilas's user avatar
  • 40k
12 votes

How might this creature evolve a biological gun

So how did it evolve? Other answers seem to be focusing on what the end point might be, but you asked how a gun could evolve, that is, what the stages of evolution could have been to result in a gun. ...
causative's user avatar
  • 7,312
12 votes

Could a species be highly apathetic to their brethren yet have a strong pack/herd mentality?

One of the weaker herd animals would fit your scenario if it gained intelligence. They're geared towards being apathetic in terms of one being killed by a predator they won't try and retaliate or ...
Kilisi's user avatar
  • 26.5k
12 votes

How are sapient crows utilized if there are phones for communicating?

Feathernet You've probably encountered the terminologies of "email" or "snailmail" when it comes to short text-based messages. However, there is also an informal/jocular ...
DotCounter's user avatar
  • 1,013
12 votes
Accepted

How biologically plausible is my snake species?

The largest snake to ever exist in real life was Titanoboa — at the very absolute maximum 15 meters long, 1$\frac{1}{4}$ metric tons, and a meter wide. From this several conclusions can be drawn. The ...
KEY_ABRADE's user avatar
  • 12.8k
12 votes

No stomach, how do I eat?

Tapeworms do what you want, residing in the intestine of their host and using the host's digestion to process the food for them. They are able to feed with no stomach at all. Eucestoda, commonly ...
L.Dutch's user avatar
  • 287k
12 votes

No stomach, how do I eat?

A human is human-like and adaptable, and can live just fine without a stomach. See: National Cancer Institute. You are a high risk for multiple vitamin and mineral deficiencies after total ...
g s's user avatar
  • 5,290

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