All Questions
Tagged with biology science-based
1,403
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Can the hemoglobin be fed something besides iron to make blood a different color? [duplicate]
A bit of context here. A species of Fairies in my world have silver-colored blood, and while researching for that, I learned that hemoglobins essentially require blood to be red because they need iron ...
- 163
6
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5
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Evolution of predatory elves
One concept I've toying with for a while is the idea that elves are a species of Homo that have adapted to a more predatory life style. With the idea that their agility and strength is derived from ...
- 4,971
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3
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How can decades-long ageless sleep work without either warping time or allowing biological immortality?
I am working on a setting with interstellar travel but no faster-than-light travel; since generation ships require almost perfect recycling technology and are unlikely to be socially and culturally ...
- 1,859
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4
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multiple retinas in one eye
is it possible to have multiple retinas, would there be advantages to this? Or would it just not work at all? I have a diagram (a shitty one) and more explanation if needed
Edit: sorry for the ...
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Could variation of the universal constants affect computation?
One of the obstacles to realistic - yet interesting - space battles is that of effective computation. If all trajectories and whatnot can be computed much faster than a human could follow, it leaves ...
- 919
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Could an organism breathe SO2 (Sulfur Dioxide) and reuse the sulfur atom for bones made of S8 (Octasulfur) and AlO3 (Aluminium Oxide)?
Problem
Background
I want animals on my fictional planet to use 6 SO2 (Sulfur Dioxide) instead of 6 O2 (Oxygen) to react with C6H12O6 (Glucose), to make 6 CO2 (Carbon Dioxide), ATP, 6 H2O (Water), and ...
2
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4
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151
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observable consequences of perfect healing
What are the Consequences of Perfect Healing?
Or stated another way, what short-to-mid term observable consequences would there be after altering a human being to be in a perfect state of health, ...
- 101
3
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3
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A Better Genetic Polymer?
This is a long one. (TLDR at the bottom)
The prospect of alternative genetic polymers has attracted the interest of people for almost as long as we have known about DNA. Indeed, many alternative ...
7
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4
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Could an ecosystem entirely made up of parasites be possible?
One of the settings for a story I'm writing is gigantic worm-like animal. Being so large it stands to reason that there would be comparatively smaller animals living within and on the surface of it. ...
- 207
6
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1
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383
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Could you breed livestock with structurally colored wool?
Imagine you have low magic, low tech nomads with a magical equivalent of microscopes, and a rudimentary understanding of genetics and optics (blame magic). They are selectively breeding livestock for ...
- 2,803
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Regular travel to planets with higher surface gravities
Say you are born on a planet with 1G surface gravity and are of a species adapted to this. Your society has well-established colonies on other planets in your system which have been extensively ...
user108013
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2
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How biologically plausible is my snake species? [closed]
How biologically plausible is my snake species? The young are about 25 meters long, and the adults average 90 meters. Their proportions are like an ordinary snake’s. What kinds of advantages and ...
- 143
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2
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240
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Can a clone be of the same age as the original [closed]
If I clone a 50 year old what are the ways I can get a 50 year old clone ?
8
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2
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853
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Anatomical requirements for human speech
I am writing a species of humanoid whose skull shape more resembles that of young baboons, with somewhat large canine teeth. They are fellow primates and have a similar upright posture to humans, ...
user108013
6
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9
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Could a bird evolve into something like a Gryphon?
Gryphons are a staple fantasy creature. But for my world I prefer creatures to have some grounding in realism.
Is it possible for a bird to evolve into an effective Gryphon? Increasing number of limbs ...
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