46 votes
Accepted

Could a hive mind work for a non-insectoid species?

If you mean "all the individual organisms are telepathically linked to produce a single coherent mind for the hive", then... even insects don't have hive minds. That's a pure fantasy ...
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9 votes

How to overcome the hygiene issues of prehensile mouthparts?

Most animals do a lot more handling of items with their mouths than we do, because the human quirk of having kept two limbs aside for non-locomotive activities is pretty unusual. So overall you are ...
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  • 1,622
8 votes

Anatomically Correct Rull?

Difficult to imagine due to the need for reversibility One of the requirements of biochemistry is that there is a certain amount of reversibility. Take haemoglobin as an important example. It gets ...
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  • 2,660
8 votes

Anatomically Correct Rull?

All terminally fluorinated. I imagine a being that swims in a sea of molten salts and metals. Above is an atmosphere of harsh oxidizers as described. The sea is not full of these oxidiziers- ...
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  • 272k
7 votes

Could a hive mind work for a non-insectoid species?

The hard part is the communication. If your SF is soft, you can just say that they are telepathic and leave it at that. How? Narrator doesn't know, reader isn't told. Humans can be pretty hive-...
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  • 11.3k
6 votes

How does my primitive species make baby carriers?

Most primitive people have cordage; basically ways to use plants to make cord, string, rope, etc. The word "linen" comes from the word "lin" which was the German word for the flax ...
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  • 28.7k
6 votes

Anatomically Correct Insect From Shaggai

Have 12 limbs: Easy. They are from another planet. Be sapient and intelligent Maybe you could get rat-level intelligence in something that size. There are no small sapient animals so either give up ...
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  • 37.4k
6 votes

Anatomically Correct Insect From Shaggai

Delusional parasitosis. https://www.health.state.mn.us/diseases/pests/dp.html ... Other than their delusion, patients usually appear to be normal. Most patients describe the infestation as being on ...
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  • 272k
6 votes

Could a hive mind work for a non-insectoid species?

Resistance is futile The Borg seem to hit most of the queues you're going for. Adding a few legs to them and making them look different shouldn't be much of an issue. Two caveats: One is that they are ...
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  • 409
6 votes

A creature has one heart per bodily extremity. How large does each have to be?

This is already the case in the human body, to a limited extent. The pumping action of the blood through the arteries is not just restricted to the heart. The muscles all along the arteries contract ...
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6 votes

How can a creature have an efficient bird like respiratory system without hollow bones?

Sure. The main advantage of the avian respiratory system over the mammalian one is that the airflow is unidirectional. This is a huge advantage for oxygen transfer, but it's a challenge to get there ...
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  • 1,156
4 votes

How to overcome the hygiene issues of prehensile mouthparts?

Don't overestimate the role of proper hygiene in the wild, there are plenty of animals who practice rather unhygienic habits: chickens and birds in general seems to have no problems in feeding among ...
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  • 237k
4 votes

How can I make this squid dive all the way to the bottom and live?

You would need to not only make it able to withstand the pressure, but at the depth that you require, they'd need to burrow through the ice too. On Earth in the occeans, the water increases in ...
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4 votes
Accepted

My creature mixes lye and sal ammoniac to cool its blood. How cold can its blood get before it stops working as blood?

Ten Celsius Lizards are cold blooded and can survive as low as 10C. For comparison a pitiful human will simply stop working if the internal temperature goes outside the 35C - 40C range for too long. ...
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  • 37.4k
4 votes

A creature has one heart per bodily extremity. How large does each have to be?

The size of the heart of a creature the size of the limb. A heart has to counter the resistance of the circulatory system. This is in large part the capillaries, the smallest blood vessels that ...
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  • 412
4 votes

A creature has one heart per bodily extremity. How large does each have to be?

The torso heart would still be almost the same size as a human heart's. This is because the blood volume that needs to be circulated in the unit time remains the same, so the work to do remains ...
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  • 52k
4 votes

A creature has one heart per bodily extremity. How large does each have to be?

The case of the Extra Hearts: Some creatures, like the octopus, already have multiple hearts. In the case of the octopus, this is to compensate for hemocyanin, which is less efficient than hemoglobin ...
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  • 51.8k
4 votes

How can a creature have an efficient bird like respiratory system without hollow bones?

A bird's respiratory system is about 8x as efficient as ours A bird's lungs and air sacs take up twice as much of a bird's volume as a terrestrial mammal's lungs. A bird's pneumatic bones are also ...
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  • 63.8k
3 votes

How does my primitive species make baby carriers?

Wicker Papoose How is babby carried? In a wicker papoose of course. Wicker is made of woven grass or reeds. Similar to textiles but with larger fibres. The softness of the wicker depends on how dry ...
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  • 37.4k
3 votes

How does my primitive species make baby carriers?

Grow It: These are plant people, right? Perhaps they grow a structure when they are having a baby, and then the parent that grows the structure has it growing off of them' Wicker: You don't need a ton ...
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  • 51.8k
3 votes

My creature mixes lye and sal ammoniac to cool its blood. How cold can its blood get before it stops working as blood?

Within a degree of absolute zero. There are many species of fish that survive in the sea below 0 C, the normal freezing point of water. Frogs and turtles can freeze solid during the winter. With the ...
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  • 18.6k
3 votes

How to overcome the hygiene issues of prehensile mouthparts?

The issue of hygiene that comes from having to put your mouth on everything you want to pick up. I have two family members who face this ordeal on a daily basis: my baby kid and my dog. Hopefully at ...
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3 votes

Humanoid Race with Surpressed Myostatin Gene - Appearance?

I am the first female to score a rushing touchdown in a male high-school varsity football game. I was 4'11" 130 lbs and even a starter my junior year as a fullback and outside linebacker. I ...
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3 votes

Could a hive mind work for a non-insectoid species?

They are all one organism And they are connected. What appear to be individuals are in fact organismoid appendages that are connected with one another and also with specialized individuals deeper in ...
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  • 272k
3 votes

Anatomically Correct Insect From Shaggai

Have 12 limbs Be some kind of insect These requirements are in direct conflict. If it has 12 limbs, by definition it is not an insect. But if you just mean "arthropod", then there's no ...
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3 votes

Shock resistant brains

Non-newtonian cerebrospinal fluid Protection from impact forces (blunt object etc) vs sudden acceleration/deceleration may not use the same mechanisms; in fact, if we had a more elastic skull, we'd ...
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  • 1,622
3 votes
Accepted

Could it ever become a custom for human women to breed with ogres?

Trivially, yes Going off the perhaps contentious assumption that women are a) sentient and b) subject to sexual desire, the answer is pretty trivial as long as the ogres are hot. The main objection to ...
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  • 1,622
2 votes

Could it ever become a custom for human women to breed with ogres?

If you have feudal societies, it'll happen. There have been societies where competition for strong, healthy peasants has been intense; Western Europe after the Black Death, and in an extreme case, ...
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  • 2,660
2 votes

Shock resistant brains

Pneumatization of calvarium. https://www.semanticscholar.org/paper/Hyperpneumatization-of-the-temporal%2C-occipital-and-Rebol-Munda/5ce992b733d447b0d7b9eedb63332a17ddf43044 Hyperpneumatization of the ...
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  • 272k
2 votes

Could a hive mind work for a non-insectoid species?

It seems to me that naked mole rats on earth have a social behaviour quite close to the societal organisation of insect hive-like species with queen, soldiers, workers. I would say that in order to ...
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  • 21

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