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Rigorous Science

Posts tagged biology

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Q&A What would be the major changes to our body if we were herbivores?

What would be the major changes to our bodies if we were herbivores? Would our bodies be weaker because they were not getting any protein from meat? Would we be completely different? (Probably, I s...

3 answers  ·  posted 9y ago by CrazySlayaNinjaBear‭  ·  last activity 8y ago by CrazySlayaNinjaBear‭

Question biology humans food
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Q&A If songbirds never existed what would replace them?

Back home, the bird order Passeriformes consists of roughly 100 families totaling up to roughly 5400 species--that's over half of the entire class. But if the songbird order never existed, how wou...

3 answers  ·  posted 8y ago by JohnWDailey‭  ·  last activity 8y ago by JohnWDailey‭

Question biology
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Q&A How would society respond to a humanzee?

The humanzee is the theoretical hybrid of human and another primate. No such humanzee has ever been documented in the modern era, though genetics suggest in our distant evolutionary past primitive...

1 answer  ·  posted 8y ago by dsollen‭  ·  last activity 8y ago by dsollen‭

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Q&A Mycolaria: How can radiotrophic fungi symbiotically assist an animal species to mitigate effects of solar radiation?

Mycolaria is my working name for an alien planet featuring a much more visible role for fungi of all kinds, large and small. There are also animals and plants on this world. This is the second in a...

3 answers  ·  posted 8y ago by rumguff‭  ·  last activity 8y ago by rumguff‭

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Q&A How would organic EM transmitters/recievers be different than our mechanical ones

Modern mechanical EM transmitters, like radio towers and radar guns, rely on finely tuned mechanical structures. If these structures do not have the right shapes, the device fails to function. Or...

1 answer  ·  posted 9y ago by Cort Ammon - Reinstate Monica‭  ·  last activity 8y ago by Cort Ammon - Reinstate Monica‭

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Q&A Attributes of an alien world with a larger role for fungi

I would like to explore how to design an alien planet featuring plants and animals but with a much more prominent ecological role for fungi. More fungi, larger fungi, more complex and beautiful fun...

3 answers  ·  posted 8y ago by rumguff‭  ·  last activity 8y ago by rumguff‭

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Q&A What magnetic capability is possible?

Magneto is way over-powered, even for a mutant. With the given relation between electricity and magnetism, what could be possible? here is already study work on biomagnetism, we know the nervous s...

1 answer  ·  posted 8y ago by DeveloperWeeks‭  ·  last activity 8y ago by DeveloperWeeks‭

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Q&A The Frog and the Jelly

Back home, the phylum Cnidaria (jellyfish, coral, anemone) and the class Amphibia are two of the most ancient groups of animals on the planet. But let's say that, on an alternate Earth, many milli...

2 answers  ·  posted 8y ago by JohnWDailey‭  ·  last activity 8y ago by JohnWDailey‭

Question biology apocalypse
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Q&A Phonetic features of human languages spoken by sentient cats

In my world I have a couple species of sentient animals, mainly cats, who among other things are capable of communication with human beings. While I am perfectly happy to resort to explanations i...

3 answers  ·  posted 8y ago by Michele C‭  ·  last activity 8y ago by Michele C‭

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Q&A What effect would a radical gravity change have on plants and fungus?

In relation to this question, what would plants do if they were taken from their environment to another gravity level, in particular zero g. For example would the daisy manage to grow higher bec...

2 answers  ·  posted 9y ago by Fulli‭  ·  last activity 8y ago by Fulli‭

Question biology gravity flora
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Rigorous Science What is the best planetary orbit around a black hole in order to support life?

Note: I am aware of a previous question Physiological effects of living on a world close to a black hole As I understand it, that question refers specifically to a planet that is in a non-ideal ...

2 answers  ·  posted 8y ago by chasly from UK‭  ·  last activity 8y ago by chasly from UK‭

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Q&A Mirrored twins that aren't identical?

If a pair of twins developed when their mother's egg split in half and they were fertilized by different sperm, could one of them develop situs inversus? The child with the condition would be male,...

2 answers  ·  posted 8y ago by jeln‭  ·  last activity 8y ago by jeln‭

Question biology genetics
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Q&A Creating a species with birdlike bone structure

I'm working on creating a race of humanoids with "hollow" bones like birds (they have criss-crossing struts for internal support). They are short - an individual is unlikely to top five feet. Woul...

1 answer  ·  posted 9y ago by CoolCurry‭  ·  last activity 8y ago by CoolCurry‭

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Q&A How long will it take to restore genetic diversity if it is reduced drastically in a human population?

I read in this question that the minimum viable population without causing large problems in genetic diversity is about 50. If we have a larger population (say a hundred) and genetic diversity beco...

4 answers  ·  posted 9y ago by JDSweetBeat‭  ·  last activity 8y ago by JDSweetBeat‭

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Q&A Are there any side effects if genomic imprinting no longer exists?

I'm trying to make a world that human sex ratio is 2:8 (male:female). Most of the females are homosexual, and male is not necessary for reproduction. I thought it was easy at first, just say that t...

2 answers  ·  posted 8y ago by fairytale‭  ·  last activity 8y ago by fairytale‭

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Q&A Asia vs. the Americas

For 10,000 years since Beringia, the bridge connecting Asia to North America, had vanished, the Asian and Native American races show great distinction. But if Beringia has persisted to this day, c...

2 answers  ·  posted 8y ago by JohnWDailey‭  ·  last activity 8y ago by JohnWDailey‭

Question environment biology
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Q&A Lifespan with unaging sleep?

As the question title suggests, I'm looking to find out how long a human could live for if they didn't age in their sleep. Assume that this ability kicks in at about the age of 16 and they have com...

1 answer  ·  posted 8y ago by Titanide‭  ·  last activity 8y ago by Titanide‭

Question biology
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Q&A A Completely Different Kind of Reef

In this scenario, corals, sponges and bryozoans have been extinct for 65 million years. In their place as reefbuilders are echinoderms, bivalves, barnacles and worms of the infraclass canalipalpat...

3 answers  ·  posted 9y ago by JohnWDailey‭  ·  last activity 8y ago by JohnWDailey‭

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Q&A Is it possible that any life on earth could evolve to live off a liquid which is not water?

Is it possible that any life on earth could evolve to live off a liquid which is not water? Something like oil or some other natural liquid?

3 answers  ·  posted 9y ago by CrazySlayaNinjaBear‭  ·  last activity 8y ago by CrazySlayaNinjaBear‭

Question biology evolution
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Q&A What engines would a bioship have?

Bioships - biological spaceships - appear in a lot of SF, so I thought I'd have a go. However, in most books they are depicted as more powerful than conventional tech in all and any regard. This ...

4 answers  ·  posted 8y ago by moran‭  ·  last activity 8y ago by moran‭

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Q&A How would a world without any mind-altering (via substances) differ as far as humans?

By some combination of changes in both the environment, and human biology, humans evolved on Earth in a way that basically makes them 100% unable to alter their minds using traditional methods: A...

1 answer  ·  posted 8y ago by Viola Molin‭  ·  last activity 8y ago by Viola Molin‭

Question biology evolution
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Q&A Are subsidiary lifeforms on the Moon possible?

In my world, Earth populated the Moon. Even if people are concealed in stations they got to go out from time to time (to explore or repair things that robot can't). My question is: Is it possible...

5 answers  ·  posted 8y ago by Ephasme‭  ·  last activity 8y ago by Ephasme‭

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Q&A In a Full-Body VR MMORPG, how I would force confidence?

If we had Full-Body Immersion MMORPGs, how would morale-boosting and morale-lowering skills work for players? By that, I mean, how would the game forcibly make players more or less confident, even ...

9 answers  ·  posted 8y ago by Malady‭  ·  last activity 8y ago by Malady‭

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Q&A What modifications would be needed to allow humans to survive in space with limited protective gear?

Would it be possible to modify a human to be able to survive in space without protective gear? Genetic engineering and cybernetic enhancement are both allowed, although when not in space the perso...

6 answers  ·  posted 9y ago by Tim B‭  ·  last activity 8y ago by Tim B‭

Question space biology
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Q&A Are diamond berries possible?

Diamonds are carbon. Plants take in CO2 and use the carbon. Chemically, could the right kind of plant have diamonds for berries, or is there some other limiting factor?

8 answers  ·  posted 9y ago by Sam Washburn‭  ·  last activity 8y ago by Sam Washburn‭

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Q&A How can people naturally become smaller?

Over the course of Homo-sapiens, we have become larger, because of diet & selection. Even in the last couple centuries. Today, we vary across geography and cultures, too, of course. Now it i...

6 answers  ·  posted 9y ago by Mikey‭  ·  last activity 8y ago by Mikey‭

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Q&A How would humans eradicate an organism that can actively spread through Earth's atmosphere?

So let's say that an alien civilization that we have made enemies with decides to use an advanced non-lethal biological weapon on the Earth as a warning. The aliens, while not infamous for any tec...

3 answers  ·  posted 8y ago by System‭  ·  last activity 8y ago by System‭

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Q&A Crystalline materials in someone's bloodstream -- what effect would they have?

What effect would a crystalline material that is inert under ordinary environmental conditions have on someone if it was injected into their bloodstream? Examples materials include finely pulverize...

4 answers  ·  posted 9y ago by Shalvenay‭  ·  last activity 8y ago by Shalvenay‭

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Q&A Would a clone army be a viable means of reproduction?

I have been reading on Wikipedia about cloning and am considering it a possibility for reproduction in my world. I am finding it slightly difficult to find all of the cons and pros associated with ...

5 answers  ·  posted 9y ago by JDSweetBeat‭  ·  last activity 8y ago by JDSweetBeat‭

Question biology
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Q&A Would keeping dinosaurs as livestock be feasible for a society like ours?

When you mention livestock you think of creatures such as cows, pigs, sheep, chickens and so on. We've been domesticating animals for like 17,000 years or so and have used them for a variety of mea...

5 answers  ·  posted 9y ago by Thomas Jacobs‭  ·  last activity 8y ago by Thomas Jacobs‭

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Rigorous Science Is non-manmade pandemic a realistic threat to modern first world?

Inspired by this question, and my own answer to it: Avoiding galactic pandemics. World ending pandemics are a common disaster/after-the-end story trope, I'm trying to determine if plausible, and h...

5 answers  ·  posted 8y ago by dsollen‭  ·  last activity 8y ago by dsollen‭

Question biology modern-age
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Q&A The Mystery of the Missing Ginkgoes

In my alternate Earths, the plant class Ginkgoopsida has retained its prehistoric diversity, unlike back home, in which only Ginkgo biloba remains. In order for that diversity to be possible in th...

2 answers  ·  posted 9y ago by JohnWDailey‭  ·  last activity 9y ago by JohnWDailey‭

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Q&A The Fullest Potential of The Human Race

70,000 years ago, Homo sapiens sapiens suffered a genetic bottleneck that reduced the population of likely 100,000 to 3,000. Over seven billion people of several distinctive races are descended fr...

1 answer  ·  posted 9y ago by JohnWDailey‭  ·  last activity 9y ago by JohnWDailey‭

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Q&A Mechanisms behind different metabolisms for regular and synthetic food

In this world I'm building, a bunch of previously inactive genes in humans have started expressing, and changed newborns' metabolic system dramatically. As a result, a portion of population cannot...

6 answers  ·  posted 9y ago by wellagain‭  ·  last activity 9y ago by wellagain‭

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Q&A May a very short-lived species raise as a stable civilization?

Consider a planet similar from Earth: very suitable for life, with vegetal and animal life forms thriving onside. I wonder if one of these life forms could raise as a civilization as humans did, i...

5 answers  ·  posted 9y ago by Aracthor‭  ·  last activity 9y ago by Aracthor‭

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Q&A Alternate Timeline/Universe where the extinction level incident that occurred 65 million years ago didn't happen

Disclaimer : I'm working on the entire pseudo-science thing , so the scientific part of this whole thing isn't made up properly... Certain things have not been explained , this is to keep the post ...

3 answers  ·  posted 9y ago by Greymtr‭  ·  last activity 9y ago by Greymtr‭

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Q&A Technology using only biomaterials

Could primitive human like species evolve into highly advanced race only using bio materials (other than wood) during their advancement (instead of other tools as early humans developed from iron, ...

3 answers  ·  posted 9y ago by user93‭  ·  last activity 9y ago by user93‭

Question biology technology
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Q&A What are the requirements for the zombie in order to reach a full zombie apocalypse?

Similar, but a bit more broad, to Would a zombie apocalypse be possible if a zombie existed? A secret lab (owned by a private company) near Chicago creates a virus strain called 'ZB01' (to be so...

8 answers  ·  posted 9y ago by wposeyjr‭  ·  last activity 9y ago by wposeyjr‭

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Q&A The Ultimate Protein Bar - As a Fruit

Here is the setup: Elves, through magic, have the ability to cause regeneration of limbs/healing of wounds through natural cellular processes. Regenerating a limb, while now possible, obviously tak...

4 answers  ·  posted 9y ago by Thomas Myron‭  ·  last activity 9y ago by Thomas Myron‭

Question biology flora
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Q&A Big, big, big... beans

I'm trying to find explanations for a strain of beans (or any other food-producing plant) that have become large, maybe as large as most trees, and about as wide in girth, that overgrows countries ...

4 answers  ·  posted 9y ago by AJFarmar‭  ·  last activity 9y ago by AJFarmar‭

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Q&A What needs to be different in order for a parthenogenetically reproducing species to evolve sentience?

I am specifically interested in a form of reproductive cycle something like that of aphids on earth, where several generations of female-only parthenogenesis go by, followed by a generation being b...

3 answers  ·  posted 9y ago by Lostinfrance‭  ·  last activity 9y ago by Lostinfrance‭

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Q&A Adjusting to changes in gravity and pressure

You go to sleep one day, and wake up on a different planet. Let's say the atmosphere of this planet has about the same composition as on Earth. Actually, this planet has pretty much all of the same...

2 answers  ·  posted 9y ago by Seth‭  ·  last activity 9y ago by Seth‭

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Q&A Interlocking, ultra-high forest, is it possible?

I was trying to create a world that has extensive massive rain-forests unlike anything on earth where the trees interlock with thick branches to allow them to rise much higher into the air (several...

1 answer  ·  posted 9y ago by Khwarezm‭  ·  last activity 9y ago by Khwarezm‭

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Q&A Trait-Absorbing Race

I am building a race of humans (or humanoid constructs) that have the ability to alter their DNA (or store a second set and use it selectively) as to gain superhuman (or meta-human) abilities. Is ...

2 answers  ·  posted 9y ago by HadesHerald‭  ·  last activity 9y ago by HadesHerald‭

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Q&A How would different kinds of eyes (polycoria, differently shaped pupils, etc.) work?

These questions are a sort of follow up of my question about white pupils. I'm designing some other creatures whose defining traits involve "weird" eyes: How would a creature with oddly shaped pu...

1 answer  ·  posted 9y ago by Hawkpelt‭  ·  last activity 9y ago by Hawkpelt‭

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Q&A How to make the orcs meet these biological standards?

This is loosely linked to my nature Mage questions. In my fantasy world I want a race of Orcs. These are the characteristics they have to have: Stand between 6 and 7 feet tall Have crude weapons ...

2 answers  ·  posted 9y ago by JDSweetBeat‭  ·  last activity 9y ago by JDSweetBeat‭

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Q&A Is metal-based, or other non-carbon-based, life realistic?

One science fiction short story I read (I don't remember the title or author, sorry!) featured some small creatures (unnamed) that were formed from metal, with the argument that "just like life dev...

3 answers  ·  posted 9y ago by Shokhet‭  ·  last activity 9y ago by Shokhet‭

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Q&A Effects of suspended animation

Major Camila de Ocampo, "La Comandante", wakes with a start. As she's been trained to do when coming out of stasis, she flexes each muscle, beginning with her toes until she finally finishes by rai...

1 answer  ·  posted 9y ago by Seth‭  ·  last activity 9y ago by Seth‭

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Q&A What kind of entertainment would be possible in a microbiological world?

Imagine a world in which the structures and resources are our own organs, tissues and cells. The society would be run by special cells and living microorganisms. My inspiration is from the animati...

2 answers  ·  posted 9y ago by gibertoni‭  ·  last activity 9y ago by gibertoni‭

Question biology society
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Q&A Could life be sustained purely from a gas?

Could life be sustained only by a gas? Humans need food, water and air but can a ET or Alien could just live off gas.

4 answers  ·  posted 9y ago by CrazySlayaNinjaBear‭  ·  last activity 9y ago by CrazySlayaNinjaBear‭

Question biology aliens