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General Q&A about worldbuilding and other speculative developments that can be extrapolated from science.

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Activity Age Score Native Lottery
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Anatomically Correct Diclonius

1 answer  ·  last activity 4 months ago by Arbiter Elegante

biology reality-check evolution creature-design
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Biological reason for organically formed crystals in or outside of body

2 answers  ·  last activity 4 months ago by Mark Gardner

biology xenobiology
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How to prevent people from ever using the Founder Titan again without rendering it inoperable?

2 answers  ·  last activity 4 months ago by Mephistopheles

science-based robots security
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is it possible for creature to have loose jaw like snake but also has enough bite strength to bit off big chunk like most predator or human do?

4 answers  ·  last activity 4 months ago by Li Jun

biology reality-check science-based creature-design xenobiology
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Could a species be able to be impregnated by anything?

3 answers  ·  last activity 4 months ago by FelisMiscellaneous

biology aliens reproduction genetics xenobiology
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Procedurally generating a galaxy's worth of names

2 answers  ·  last activity 4 months ago by rek

science-based mathematics terminology names
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If it could be shaped, would chitin from giant insects make decent body armor?

6 answers  ·  last activity 4 months ago by Arvex

biology armors low-fantasy
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What, visually, would a hole bored in the moon look like?

1 answer  ·  last activity 4 months ago by Joe Bernstein

space astronomy
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Can the color of an alien sky be calculated solely from atmospheric composition and the star's (or stars') spectral type(s)?

1 answer  ·  last activity 4 months ago by John O

atmosphere science-based stars colors
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Could a Species Survive Getting Nutrition Only by Smelling Things?

5 answers  ·  last activity 4 months ago by Capillary Cumorah

science-based creature-design mythical-creatures food mythology
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A sound reason for vampires to be weak to sunlight?

3 answers  ·  last activity 4 months ago by Mephistopheles

science-based chemistry vampires biochemistry
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Without modern electronics, how could you determine your longitude, latitude, and altitude while lost deep underground?

12 answers  ·  last activity 4 months ago by possiblySerious

reality-check science-based caves underground navigation
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Planning intra-city public air transport

4 answers  ·  last activity 4 months ago by PentalimbedP

science-based cities transportation aircraft transport air
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Alternatives to amino acids

3 answers  ·  last activity 4 months ago by Aezyc

biology chemistry xenobiology biochemistry
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How could dragons use their forepaws as hands?

2 answers  ·  last activity 4 months ago by Mephistopheles

science-based dragons bio-mechanics
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How to prevent ship's AI from initiating self destruct sequence regardless of captain's permission?

2 answers  ·  last activity 4 months ago by user6760

space spaceships technology intelligence artificial-intelligence explosions ships
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What attributes can fathers pass on through their spirit?

4 answers  ·  last activity 4 months ago by Incognito

biology society culture
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What Adaptation would Humans in a Volcanic Underworld Develop?

2 answers  ·  last activity 4 months ago by James McLellan

evolution science-based adaptability
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How do you explain a "brooder" sex evolutionarily?

3 answers  ·  last activity 4 months ago by Ettina Kitten

biology evolution races fantasy-races xenobiology
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How could an ability to project fire from your body occur plausibly?

1 answer  ·  last activity 4 months ago by DEMI

biology physics super-powers mutation
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What abnormalities can result from long term cryogenic preservation?

1 answer  ·  last activity 4 months ago by Incognito

science-based genetics evil
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How CAN a Wyvern be a Scansoriopterygid Dinosaur?

1 answer  ·  last activity 4 months ago by JohnWDailey

science-based adaptability dragons alternate-history history dinosaurs
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Can Earth be isolated from a settled Solar System?

4 answers  ·  last activity 4 months ago by Wax

science-based isolation earth kessler-syndrome
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Dragons and fall damage

2 answers  ·  last activity 4 months ago by Mephistopheles

science-based dragons
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2 elbowed forelimbs: advantageous or detrimental?

6 answers  ·  last activity 4 months ago by ProjectApex

biology reality-check evolution creature-design xenobiology anatomy
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Mechanics and structure for an artificial giant creature?

1 answer  ·  last activity 4 months ago by RandySavage

materials robots engineering
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How would a species be unable to produce steel?

21 answers  ·  last activity 4 months ago by SealBoi

biology science-based races fantasy-races metalworking
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Temple fell down sinkhole in mining area, toxic gases

1 answer  ·  last activity 4 months ago by geneaux

reality-check geology
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Without powered greenhouses or trade, what's the coldest possible climate for a sustainable nation?

1 answer  ·  last activity 4 months ago by Mae

environment science-based fauna flora
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What is the most effective location for spinnerets in a vertebrate?

2 answers  ·  last activity 4 months ago by ProjectApex

reality-check evolution aliens anatomy
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Plausible reasons for a whole planet to have a temperate oceanic climate?

2 answers  ·  last activity 4 months ago by The Weasel Sagas

environment climate reality-check planets history
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Could spasmoneme muscles be useful for a living creature?

2 answers  ·  last activity 4 months ago by Mephistopheles

science-based creature-design bio-mechanics chemistry biochemistry
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Why are my Lovecraftian puppetmasters afraid of fire and light?

3 answers  ·  last activity 4 months ago by Space_Cadet

biology
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How would evolution be influenced by the remnants of humanities servant robots?

2 answers  ·  last activity 4 months ago by Stefan

evolution technology creature-design far-future future
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How long and where could an antimatter object survive in space?

3 answers  ·  last activity 4 months ago by RandySavage

space antimatter
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Could Vikings make something close to modern reverse draw crossbow?

7 answers  ·  last activity 4 months ago by kelari4377

science-based vikings
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How can I increase brain processing capabilities without overloading it?

4 answers  ·  last activity 4 months ago by Incognito

biology science-based species
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Effect of high frequency of impact events on geography,climate, and environment

2 answers  ·  last activity 4 months ago by Eloc

environment climate reality-check geography
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Feasibility of Hydrogen-Oxygen Atmosphere

2 answers  ·  last activity 4 months ago by Starsong67

space atmosphere reality-check technology
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How Different Would the Outcome of the Fall of the Dinosaur Empire Be if Chicxulub Hit at a Different Season?

1 answer  ·  last activity 4 months ago by JohnWDailey

science-based time alternate-history history prehistoric-times extinction
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Would these processes be probable on this planet?

3 answers  ·  last activity 4 months ago by Covision

planets stars geology volcanoes chemistry
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Civlization with no domestication

4 answers  ·  last activity 4 months ago by Guy with jewels' names

races fauna technological-development fantasy-races
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Why would the offspring of a clone not suffer from a degenerative illness?

6 answers  ·  last activity 4 months ago by Incognito

reality-check science-based
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How Would Victorian-Era Firearms Fare Against Dinosaurs?

3 answers  ·  last activity 4 months ago by Ely Miller

biology fire dinosaurs firearms victorian-era
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In an Ice Age Extinction, Which Latitude Would Be Hit Harder--Tropical or Temperate?

3 answers  ·  last activity 4 months ago by JohnWDailey

environment science-based adaptability earth extinction alternate-earth
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Control of atmospheric conditions

1 answer  ·  last activity 4 months ago by Lelu

climate physics
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What might be an effective mode of transportation for Giants?

2 answers  ·  last activity 4 months ago by icewar1908

physics races fantasy-races vehicles
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Could marsupials convergently evolve sapience?

3 answers  ·  last activity 4 months ago by icewar1908

biology evolution science-based sapience
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Could a marine plant have a salt-filtration system for when plants suck up the sea-water (providing a source of fresh water?)?

3 answers  ·  last activity 4 months ago by Topsy-Scurvy

flora sea health ocean plant-design
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creatures that uses sounds/vibrations as a defense mechanism

2 answers  ·  last activity 4 months ago by user3556983

biology fauna zoology
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