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Rigorous Science

Posts tagged biology

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Rigorous Science Do plants need ambient oxygen?

Do {any, some, all} {unicellular, multicellular} plants require free oxygen? For example, would a cabbage asphyxiate over night, or even in daylight, in an oxygen-free atmosphere?

0 answers  ·  posted 2mo ago by chris-barry‭

Question biology
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Rigorous Science What is the most efficent way of killing prey much larger than yourself?

The title sums it up pretty well - I'm basically trying to envision the ultimate predator of much larger prey. A couple of requirements: The predator must weigh 44 kilograms or more (Megafauna) ...

14 answers  ·  posted 4y ago by SealBoi‭  ·  last activity 1y ago by KalleMP‭

Question biology fauna
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Rigorous Science How could dragons be explained without magic?

Dragons are a grand classic of fantasy. For this question, let's assume we're talking about the following stereotype: hatches from an ostrich-sized egg and can grow to mountain size if nothing l...

18 answers  ·  posted 8y ago by Sheraff‭  ·  last activity 1y ago by celtschk‭

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Rigorous Science Is the combination of water and medical skin laser dangerous?

Many physicians apply numbing agent creams/ointments such as Lidocaine+Prilocaine or Benzocaine+Lidocaine+Tetracaine (BLT) preparations topically some 30 minutes before laser hair removal treatment...

1 answer  ·  posted 1y ago by deleted user  ·  last activity 1y ago by Olin Lathrop‭

Question biology medical laser
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Rigorous Science Effects of not growing up?

Let's say I have a bunch of pre-pubescent children (circa 8-12 years old). Let's also say I subjected them to some drug/process/whatever that caused them to stop growing. In particular: Whatever...

1 answer  ·  posted 2y ago by Matthew‭  ·  last activity 2y ago by Olin Lathrop‭

Question biology
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Rigorous Science How do I realistically keep my large mammalian predator hidden from other pack hunters.

What coloration pattern/ technique could a large mammalian predator employ to evade detection from other mammalian predators at 100 -&gt; 20 meter distances (or close enough so that it could sprint...

3 answers  ·  posted 2y ago by Cazadorro‭  ·  last activity 2y ago by Lundin‭

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Rigorous Science Magnet strong enough to rip the iron out of your body feasible?

Is it possible, given a strong enough magnet, to rip out iron based molecules out of the blood stream/body of a person/animal? Would such an event be the thing that kills someone or are there other...

2 answers  ·  posted 2y ago by Cazadorro‭  ·  last activity 2y ago by DonielF‭

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Rigorous Science How to make an animal which can only breed for a certain number of generations?

What would be the best way in which to genetically modify (or create through some other method) an animal which breeds normally for a certain number (50?) of generations before becoming sterile? Ge...

13 answers  ·  posted 3y ago by Richard Smith‭  ·  last activity 2y ago by James Jenkins‭

Question biology
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Rigorous Science Would a 200-Pound Dwarf Still Need to Wear Clothing?

How does a Neandertal compare with an anatomically modern human? This diagram below is a simplification of the real answer: The average Neandertal male stood 64 inches tall, weighed 143 pounds an...

1 answer  ·  posted 2y ago by Enfield‭  ·  last activity 2y ago by pnuts‭

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Rigorous Science How should I create my Merfolks to make them landbased?

I want a mermaid protagonist. If I am to make this story realistic, how should the Merfolk's body structures be made to make them adaptable for both water (swimming) and land (walking, running)? Is...

3 answers  ·  posted 8y ago by Pobrecita‭  ·  last activity 2y ago by PinoBatch‭

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Rigorous Science Competently Mobile Photosynthetic Animal?

I have an idea for a land based mobile organism that moves and uses photosynthesis for its primary means of energy generation. Can a motile organism conceivably get enough energy from photosyntheti...

1 answer  ·  posted 2y ago by Cazadorro‭  ·  edited 2y ago by Cazadorro‭

Question biology plant animal
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Rigorous Science Can a organism control its metabolism and the heat it's generating?

How would it switch between if endothermic and ectothermic and in between and how would it be able to create different temperature in specific areas in the body?

1 answer  ·  posted 2y ago by Random guy‭  ·  last activity 2y ago by wizzwizz4‭

Question biology xenobiology
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Rigorous Science Cruelty Free Vampirism [closed]

Setting: "One Big Lie" Sci-fi RPG The lies in this setting are an extension of relativity with a couple of extra dimensions allowing for FTL/Backwards Time Travel, and Thaumons. Thaumons (Magic B...

6 answers  ·  posted 5y ago by Douglas‭  ·  closed 2y ago by HDE 226868‭

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Rigorous Science TotalRewind™ (brain chip)

In 2015 we can rewind the TV, our CCTV footage and, if we wear an action cam, our latest adventure. However if we walk down the street and something happens we didn't quite catch, the annoying fact...

5 answers  ·  posted 7y ago by chasly from UK‭  ·  edited 2y ago by Canina‭

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Rigorous Science Which of these changes to physics will have the least effect on Earth's biology?

The Solar System has entered a region of space where the laws of nature are slightly different. It will experience different physics for 3 years, then things will return to what we know now. Which...

2 answers  ·  posted 3y ago by Vogon Poet‭  ·  edited 2y ago by HDE 226868‭

Question biology physics
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Rigorous Science Anatomically Correct Mokèlé-mbèmbé

The Mokèlé-mbèmbé (meaning "one who stops the flow of rivers") is a legendary water-dwelling creature of Congo River basin folklore, loosely analogous to the Loch Ness Monster in Western culture. ...

3 answers  ·  posted 6y ago by Uncle Tres‭  ·  edited 2y ago by Canina‭

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Rigorous Science If an ET has caramel blood, what it implies?

I want to write a SF story where humans discover that a species of ET has caramel instead of blood and I need some biological information in order to develop it in a realistic way. For my story, i...

1 answer  ·  posted 2y ago by raiden‭  ·  last activity 2y ago by raiden‭

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Rigorous Science What organs or modification needed to have tree that gain energy from lightning or electricity?

As the title: I want to know what kind of organs or modifications need for plants like tree to gain energy from lightning or electricity (and still fine or safe or alive of course). Since I have a...

5 answers  ·  posted 2y ago by Li Jun‭  ·  last activity 2y ago by Li Jun‭

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Rigorous Science Could my leviathans exist?

Leviathans are closely related to hydrophis spiralis. Some characteristics of these leviathans include: continuing to grow until they die and are able to grow almost as large as a blue whale are ...

1 answer  ·  posted 2y ago by icewar1908‭  ·  last activity 2y ago by icewar1908‭

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Rigorous Science Exclusively underground creature experiencing sun-light for the first-time

I have this creatures which were hiding underground for millennia. They are, from the beginning of their history, exclusively nocturnal. They emerged back on surface after moon disappeared (irrel...

3 answers  ·  posted 2y ago by Prahara‭  ·  last activity 2y ago by Prahara‭

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Rigorous Science Can a Slime run?

In my world slimes are intelligent creatures of various sizes which can take the shape of anything they like and change color to camouflage. A slime can camouflage as floor , as a box, a snake or...

4 answers  ·  posted 2y ago by Murray‭  ·  last activity 2y ago by Murray‭

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Rigorous Science How would Humans change, or evolve, to being Domed for many thousands of years?

A little snippet from my story idea, for some context- "The Earth Government Collapses, caused by the cutoff of resources from the Colonies. Large-Scale war soon erupts, with Nuclear Weapons being...

2 answers  ·  posted 2y ago by Hunt Castle‭  ·  last activity 2y ago by Hunt Castle‭

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Rigorous Science What evolutionary pressures would lead to solitary hominids?

Solitary humanoids aren't uncommon in works of fantasy/cryptozoology with Bigfoot coming to mind. What I want to know is What evolutionary pressures would lead to solitary humanoids? Some character...

2 answers  ·  posted 2y ago by icewar1908‭  ·  last activity 2y ago by icewar1908‭

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Rigorous Science What anatomical changes would you need to get 1 ton ride-able rodent?

So, I've decided that in my fantasy fiction, I want to have Megabara riders. Massive Capybaras, being ridden into a battle. I've done some basic research and I came across this extinct species tha...

2 answers  ·  posted 2y ago by Failus Maximus‭  ·  last activity 2y ago by Failus Maximus‭

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Rigorous Science Could complex Precambrian life be possible?

I have a really good question. Could it be possible for complex life to have existed in the Precambrian? I'm aware that only the fossilized remains of bacteria have been discovered from that time p...

1 answer  ·  posted 2y ago by Daikyu Maryu‭  ·  last activity 2y ago by Daikyu Maryu‭

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Rigorous Science A creature with a built in flashlight

I know things like flashlight fish exist; things with luminescence and all that. But how strong could the light be? I have this cave dwelling species with three eyes except the middle one isn't ex...

2 answers  ·  posted 2y ago by Chickenpeep Chickenpeep‭  ·  last activity 2y ago by Chickenpeep Chickenpeep‭

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Rigorous Science How big can a giant get before losing human level intelligence?

In many fantasy worlds, giants are as intelligent as human beings and others races that they either avoid stepping on or step on regularly. However, due to the square cube law, giants have a limit...

4 answers  ·  posted 2y ago by Seraphim‭  ·  last activity 2y ago by Seraphim‭

Question biology evolution
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Rigorous Science Could a Monotreme Griffin exist?

in the story i'm writing there is an island of mostly Monotremes which have diversified into a variety of ecological niches from giant platypus's to megafauna larger than the largest Placental Mamm...

1 answer  ·  posted 2y ago by icewar1908‭  ·  last activity 2y ago by icewar1908‭

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Rigorous Science Could a creature use lightning/electricity as its energy supply?

Could a creature use lightning (or any other source of electricity) as a sole energy source, and not need to eat? Would any additional organs be needed to store or use the electricity? I have a ra...

1 answer  ·  posted 2y ago by AlexT‭  ·  last activity 2y ago by AlexT‭

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Rigorous Science Alternative evolution mechanisms using cell fusion

I am trying to understand if it would be possible for organisms to evolve by different means other than random mutations and natural selection. Eukaryotes were predicted to be formed by fusion with...

1 answer  ·  posted 2y ago by LDR‭  ·  last activity 2y ago by LDR‭

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Rigorous Science anatomy or musculature to achieve full rotate jaw?

you know a jaw or mouth where the jaw full of teeth fully rotate like a drill or gear to shred their food or prey, usually show often in worm type of monster (my question is not necessary to be wor...

7 answers  ·  posted 2y ago by Li Jun‭  ·  last activity 2y ago by Li Jun‭

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Rigorous Science Could penguins evolve to have fingers?

I've been trying to make a penguin-like humanoid race for a pretty long time now. I want to make them as realistic as possible. And I know such creatures could not exist in the real world, but I w...

1 answer  ·  posted 2y ago by Thormind‭  ·  last activity 2y ago by Thormind‭

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Rigorous Science To carry a person in its palm (like King Kong) how much pressure and at what speed would a kaiju need to apply?

Assume my kaiju is around 200 feet tall, weighs around 4,000 US tonnes and resembles a large lobster with two giant claws for its front legs and long spindly limbs with tiny pincers on the ends for...

2 answers  ·  posted 2y ago by Luke Duffy‭  ·  last activity 2y ago by Luke Duffy‭

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Rigorous Science biologically or anatomically is there a problem with this type of double mouth or jaws?

i am not talking about xenomorph or moray eel type of jaws or multiple mouth or lower jaw inside the mouth. but this type of mouth/jaws or i called it double chin jaws where the chin also work as ...

5 answers  ·  posted 2y ago by Li Jun‭  ·  last activity 2y ago by Li Jun‭

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Rigorous Science Would a sapient being sensitive to polarized light be able to see the angle of polarization in a photograph?

Many animals have the ability to see polarized light (or rather, are sensitive to the direction of polarization), most notably birds and bees but also a wide range of other animals including cephal...

7 answers  ·  posted 2y ago by user2352714‭  ·  last activity 2y ago by user2352714‭

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Rigorous Science How long can a human body function at safe levels in slightly higher and lower gravity?

I have a number of alien species from different planets with gravity between 0.5g and 1.75g and I wanted to have groups of each of the species to exist together in a space habitat. As pointed out t...

1 answer  ·  posted 2y ago by RandySavage‭  ·  last activity 2y ago by RandySavage‭

Question biology gravity
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Rigorous Science Why haven't scientists found evidence of humans interbreeding with aliens?

In my alternative universe, Atlantis was a real city that existed, although it wasn't called Atlantis or founded by humans. Atlantis or rather, Dosham was a city on an isolated landmass in the nort...

5 answers  ·  posted 2y ago by Arbiter Elegante‭  ·  last activity 2y ago by Arbiter Elegante‭

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Rigorous Science Giant velvet mites?

Velvet mites are some of the largest mites in the world, with species in the genus Dinothrombium reaching 12 mm in length (absolutely massive for a mite). What is the largest possible size a velvet...

0 answers  ·  posted 2y ago by Praearcturus‭

Question biology insects
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Rigorous Science is it possible for quadrupedal or hexapodal flying monster to fly well while their limbs retracted?

just suddenly struck by curiosity, i vaguely remember that big quadrupedal or hexapodal (if you count the wings) animals cant fly well basically. I dont remember why, but i think it was related to ...

2 answers  ·  posted 2y ago by Li Jun‭  ·  last activity 2y ago by Li Jun‭

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Rigorous Science Earth-sized Moon with Host Planet launched from Star System

Could a planet with the size and characteristics of the Earth orbit a gas giant and would the earth-like moon be able to maintain its orbit if the gas giant went rogue and was launched from its hos...

4 answers  ·  posted 2y ago by user76027‭  ·  last activity 2y ago by user76027‭

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Rigorous Science More Human-Like Secretary Birds

So, I am dealing with a certain trouble that I'll need a help with. In my fantasy story, there is artificially formed species (magically created, but non-magic anatomy rules apply) of "humanized" ...

1 answer  ·  posted 2y ago by Failus Maximus‭  ·  last activity 2y ago by Failus Maximus‭

Question biology avian anatomy
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Rigorous Science Proportions of a giant humanoid?

In a humanoid mammal, say 15-20 feet tall, how would the brain, heart, reproductive organs, facial feature and other attributes scale up? In very large mammals, the brain seems to be comparatively ...

2 answers  ·  posted 2y ago by Praearcturus‭  ·  last activity 2y ago by Praearcturus‭

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Rigorous Science Most efficient actinopterygian jaw structure?

Ray-finned fishes have a variety of interesting and complex jaw structures. Here is the skeleton of an anglerfish Here is the skull of another actinopterygian I am designing a large (roughly...

2 answers  ·  posted 2y ago by Praearcturus‭  ·  last activity 2y ago by Praearcturus‭

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Rigorous Science Anatomically correct quadrupedal arthropod?

Most arthropods have at least six legs. Some mites have four and some insects have none, but for the most part, they have six or more. What would the anatomy of a large quadrupedal arthropod be li...

1 answer  ·  posted 2y ago by Praearcturus‭  ·  last activity 2y ago by Praearcturus‭

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Rigorous Science Feasibility of six inch space-faring aliens

I've recently been playing a alien game with various alien species. After playing for a bit, I wondered whether or not a 6-inch tall intelligent race could exist. I can already see some major disa...

3 answers  ·  posted 2y ago by RotNDecay‭  ·  last activity 2y ago by RotNDecay‭

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Rigorous Science How large can an animal's eye realistically get?

The largest eye in the world belongs to the giant squid, which has eyes up to 27 cm in diameter (some reports from the 1800s say 40 cm). Extinct ichthyosaurs also had very large eyes, 20-30 cm in d...

1 answer  ·  posted 2y ago by Praearcturus‭  ·  last activity 2y ago by Praearcturus‭

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Rigorous Science Evolved insect eyes

In one question I asked how insects can evolve their base biology to grow in size here. Which was followed up by this question about how well the antennae would fare when increased in size here ...

5 answers  ·  posted 2y ago by Seraphim‭  ·  last activity 2y ago by Seraphim‭

Question biology evolution
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Rigorous Science What species will benefit most from humanity's having been here?

Assuming that as a species, we do ourselves in, not through war but through environmental neglect and overpopulation, what species will benefit most from the effect we have had on the planet during...

15 answers  ·  posted 2y ago by Henry Taylor‭  ·  last activity 2y ago by Henry Taylor‭

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Rigorous Science Could aliens from beyond the singularity of a rotating black hole survive and colonise regions of a normal universe?

Would it be possible for aliens that originated and evolved in a planetary system beyond the ring singularity of a rotating black hole to send individuals out into a normal universe to colonise it?...

2 answers  ·  posted 2y ago by Ichthys King‭  ·  last activity 2y ago by Ichthys King‭

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Rigorous Science Ending "Natural" Reproduction

Quick Overview Here's the situation: your species, under directive of your friendly world government, has been informed that all "natural" (aka reproducing like your normally would and having a ch...

6 answers  ·  posted 2y ago by Millennium‭  ·  last activity 2y ago by Millennium‭