Questions tagged [biology]

For questions about living things. Does not exclude aliens, but additional information is usually necessary (consider using "xenobiology" instead).

Filter by
Sorted by
Tagged with
1
vote
2answers
140 views

By any scientific/pseudo-scientific means could plasma be used to increase the lifespans of living creatures?

In my semi-realistic science fantasy RPG, I want there to be a newly discovered chemical element that is perfect at generating plasma for use in various futuristic weapons and to increase the ...
4
votes
3answers
132 views

Biological touch based high bandwidth communication

My alien race is supposed to have the ability to communicate a lot of information extremely fast, more akin to uploading something to your partner's mind than telling him. This should happen via ...
22
votes
11answers
3k views

Biological Blimps: Propulsion

A while back, I asked this question about the plausibility of giant floating whales and received an excellent and high-scoring answer from Dubukay demonstrating that, given the assumptions that ...
1
vote
1answer
83 views

on sentient reptiles/ectotherm behaviors [closed]

so, I was searching and reading things about reptiles trying to build a guideline for any kind of cold blooded peoples/aliens I still have a hard time finding precises idea on how temperature ...
4
votes
4answers
298 views

What would happen to a human dragged quickly from the surface to the mesopelagic zone?

My mermaids have returned, and now they're dragging semi-conscious people about 700-ish meters underwater. Is it realistic for the person to still be alive at this point? (Y'know, for about ten ...
6
votes
5answers
257 views

MacGyvering medieval poison

Does anyone know of any compound/substance one could have access to in a stone prison cell (From food? The rocks? The metal bars?) that could be processed through rudimentary means into a quick acting ...
6
votes
4answers
332 views

Would storms on an ocean world harm the marine life?

On a habitable world completely covered in water, with no land above sea-level, there would presumably be storms of biblical proportions. Suppose this world has oceans so deep that the deeper layers ...
53
votes
12answers
7k views

How can an organ that provides biological immortality be unable to regenerate?

After Cain killed his brother Abel, he was cursed by God to wander the earth forever. On his travels, he met a sympathetic woman named Lilith. They discovered that they had a mutual beef with their ...
1
vote
0answers
103 views

How could an amorphous species work? [closed]

In the setting I'm building, then there are two lifeforms to have existed; Angel and Demons. Both are closely related, as speciation between happened rather recently in their history. They both also ...
8
votes
4answers
205 views

Retractable Tusks?

Is there a way to make retractable tusks anatomically plausible in a creature design without relying on an articulated bone structure? Basically, relying fully on musculature instead of articulation ...
4
votes
4answers
118 views

Anti-decomposition mechanisms?

Suppose that due to some kind of magical force I'll leave handwaved, (non-sapient) organisms are able to practice necromancy, reanimating their fallen peers as undead bodyguards. However, the magic ...
15
votes
6answers
5k views

How could a female member of a species produce eggs unto death?

As far as I am aware, female mammals cannot produce eggs (as in ova) after a certain age/maturation. How could the female produce eggs for an unlimited amount of time, resulting in a 'queen' mammal ...
0
votes
2answers
259 views

Can my Alien species be possible with real science?

They are blue to gray skinned with four eyes, two of which can see in infrared, three fingers and toes on each appendage, and reptilian-like ears (eardrums are external), as well as a hair color range ...
48
votes
15answers
13k views

What injury would be of little consequence to a biped but terrible for a quadruped?

Let's imagine a group of people who can turn from human to wolf at will. Wolves are quadrupeds, and humans are biped, so I guess their weight is differently shared in their body, notably when they ...
10
votes
4answers
219 views

What sort of animals would a civilization of small feline omnivore humanoids domesticate

I'm playing around with the idea of making a world heavily based on one of my favorite childhood book series. (basically a fanmade rewrite of sorts). The series is called Warriors, and is about ...
6
votes
2answers
243 views

What is the science of fairy flight?

Assume these homo super-dwarf aka fairy and homo sapiens come from a common ancestor, and somehow they evolved a pair of wings and can do vertical takeoff. The average adult is approximately the ...
0
votes
1answer
155 views

Could another species overtake us technologically? [closed]

Is it possible for another of Earth's species to catch up and overtake us technologically over the next million years or so? Assuming we survive that long as a species and our technology stagnates ...
1
vote
6answers
197 views

How can a terrorist cult genetically engineer human bombs?

A nihilistic organization founded by a preacher, Solf J. Kimblee, has reasoned that human beings have fallen short of God's true purpose. Since the betrayal by Adam and Eve, all people are born with ...
12
votes
3answers
2k views

How can an evil spirit take control of a human body during REM sleep?

I have a friend who is a really nice guy. The problem is that he was born as a half demon. While he looks completely normal, he possesses a spirit inside him called "Amon". This being forces him to ...
8
votes
3answers
255 views

Artificially make people incapable of singing at all (even poorly), but still capable of speaking?

Magic has recently become possible in my story, and singing is the mechanism by which humans use magic. A totalitarian regime wants citizens who can speak, but not sing in any way, even poorly. (That ...
16
votes
7answers
650 views

Will food logistics limit the population of a civilization of obligate carnivores with modern technology?

I'm imagining a world populated with a species of intelligent, social, and "modern" (in terms of technology) humanoids. For the purposes of this question, they and their world can be near identical ...
9
votes
1answer
410 views

Cracking Knuckles in Zero Gravity [closed]

Cracking knuckles has something to do with air bubbles, but would it work in the same way if there is no gravity? If not, how would it be different? Would there still be a popping sound and/or ...
3
votes
1answer
159 views

Could a human grow up larger by manipulating their endocrine system?

In my world there are a group of female warriors with an unusual ability: the resources of their bodies are fungible. For instance, they can make the muscles in one part of their bodies stronger at ...
6
votes
1answer
272 views

Eating one whale every three thousand days?

My current ongoing project, about which I've asked many questions, is about a world in which evolutionarily plausible legendary and folkloric creatures roam the Earth. One such creature is the sea ...
6
votes
2answers
412 views

How long would gestation period be for dwarfs?

Dwarfs are intelligent creatures, with stronger bones and muscles but smaller than humans. They live mostly under ground (caves, mines, etc.) and reproduce sexually. How long the gestation period ...
4
votes
3answers
177 views

Performance enhancing drugs (mostly realistic)

I have a character in my story who is immortal and heals very quickly (think Wolverine). Ignoring physical side effects (but keeping in mind psychological ones) what sorts of drugs could he take to ...
9
votes
4answers
536 views

What Would the Third Kind of Angiosperm Look Like?

To put this title into context, there are actually two basic kinds of angiosperms on Earth, showing here: These differences in characteristics serve their own adaptations to survive and thrive. Now ...
-5
votes
1answer
108 views

Can more exercise alter human genes? [closed]

I want to know if exercise can change genes or not, if yes then what is process behind it and is it permanent or temporarily.
17
votes
15answers
3k views

What are the exceptions to Natural Selection? [duplicate]

Consider a population where a low percentage of people (5%) posess a genetic advantage over the rest. In my fictional world, let’s assume this small percent of the population can wield magic while ...
11
votes
11answers
2k views

Alien invasion to probe us, why? [closed]

In popular culture on my Earth-like planet, alien-abduction stories, anal probing and conspiracy-theories are well-known but largely considered by mainstream culture to be delusions or fanciful ideas ...
4
votes
6answers
240 views

How can a terrorist group link a biological plague to a specific genetic signature?

A domestic terrorist organization has come to light due to recent terror attacks that they claim responsibility for. This group has developed a biological weaponized plague that attacks the nervous ...
9
votes
8answers
3k views

Why are all my replica super soldiers young adults or old teenagers?

So, I was working on my setting when I thought, "if I'm going for maximum JRPG feeling, I need several teenager protagonists, who somehow still stand a chance against the armies of Darkness." ...
30
votes
13answers
6k views

Plausible reason for gold-digging ant

Medieval bestiaries describe a creature, a type of desert-dwelling ant that digs for gold. It was also said to be the size of a fox, but I'll ignore that in this question. Why would ants unearth ...
35
votes
9answers
5k views

What species should be used for storage of human minds?

The business of mind storage became a profitable one, after the discovery of a magical process that allows the memories and personality of a living being to be transferred into another body. ...
5
votes
7answers
627 views

How can someone be immortal and still age?

I need an explanation for how one could be immortal and still age. If one was truly immortal one would remain an infant forever. How could this be explained? I'm working on a character who is ...
5
votes
4answers
246 views

Why would a demigod born to a goddess not be immortal? [closed]

In this alternate world, demigods were human beings which gained divinity from a divine parent. A male deity would knock up a mortal woman, who would carry the child to term. This demigod would share ...
1
vote
1answer
82 views

Genetically engineered Moray Eel?

Is it conceivable to genetically engineer a moray eel large enough to hunt and eat humans in its cave like habitat? It needs to have: armored skin that can withstand gunfire good all around swimming ...
-5
votes
1answer
203 views

Are two headed creatures possible? [closed]

I'm looking at making an alien race with two heads. The idea is that it has two brains as well, which instead of having two consciousnesses the brains are linked together as one. Is this possible? ...
4
votes
14answers
3k views

How to achieve physical gender equality? [closed]

Now, I am constructing a human-like civilization that has more advanced technology than our own. They share genes through sexual reproduction. I hope in this world, there will be fewer rapes caused ...
3
votes
1answer
244 views

Is this humanoid dragon realistic the way I’ve imagined it?

In this world I’m dabbling with, the dominant species is a race of six limbed humanoid with two wings on its back slightly below the shoulder blades. They are very slender (“BMI” is between 17 & ...
-2
votes
3answers
120 views

Non-lethal nanite weapon, how could they quickly incapacitate any animal?

So, I was working on limitations for my cheesy overpowered cyborg, Anon, and then pacifism came to my mind. Being forced into using non-lethal measures drastically decreases and caps any character, ...
4
votes
1answer
80 views

Can Aspen forests have other species of tree present?

In a world dominated by steppe, the warmest regions give way into parklands dominated by stands of Aspen. My research suggests that Aspen groves may tend to exclude other species of tree, but I am ...
6
votes
1answer
151 views

What tree type grows into the most dense forests?

"Tree" is (apparently) not a very well defined term as far as scientific classifications are concerned, so I'll put my own restrictions on it for this question: Typical healthy adult specimens must ...
8
votes
2answers
866 views

Could Gymnosperms Develop Fruits and Flowers Like Angiosperms?

Here is the scenario: A Paleo/Mesozoic mass extinction wiped out 96% of all terrestrial species, and the only plants that survived were as follows: One genus of conifer One genus of cycad One genus ...
23
votes
17answers
8k views

Would life expectancy increase if we replaced healthy organs with artificial ones?

Can we increase life expectancy by replacing important organs for life such as the heart, kidneys, young blood, etc. (but not the brain)? Most organs can fail and, for the ones which we already have ...
7
votes
2answers
241 views

Brain Tick, how could it take over a host's brain?

There was once 12 kingdoms in the ancient days until the kingdom of Eo was devoured by the very forests it called home. The people of Eo have been turned into beasts wandering the woods and preying ...
-4
votes
4answers
188 views

Anal Retentiveness in a tribal nomadic society - why would it be advantageous?

Please note: This has no relation to any real persons on this site or elsewhere and should not be taken to be such. In my world there is a human nomadic desert tribe. They have a long-standing custom ...
6
votes
1answer
97 views

Effects of Red Dwarf CME (Flare) on Biological Life and Atmosphere

I have a planet circling an M-Class star (M3/M4). I'm trying to figure out what the effects of flaring on the planet's biosphere might be. Background: As some of you may know, M-class stars are ...
10
votes
3answers
1k views

Is it theoretically possible for the human body to not defecate?

Assume that I have some way to introduce nutrients into the body of a healthy human but I do not have any method of changing their biology. No surgical procedures nor special "drugs" that would affect ...
4
votes
1answer
226 views

Origin of life on a waterworld

Take a planet like Gliese 1214 B, which has no land, an ocean 100s of kilometres deep and a seabed of Ice VII. For the purposes of the question, let's assume that the pressure and/or temperature near ...