Scientific Speculation

71%

+3 −0

Plausibility of "multi-type transmissible animal cell tumor" to form more complex structures.

2 answers · last activity 26 days ago by sox‭

medical animal tumor cell

77%

+5 −0

Centripetal Burn in Orbit

1 answer · last activity about 1 month ago by Olin Lathrop‭

space orbital-mechanics

80%

+6 −0

Why would a race constantly deafened by ambient noises still hear?

3 answers · last activity about 1 month ago by ajekb78‭

evolution senses abilities

37%

+1 −3

How to survive and become self-sufficient in the nature?

3 answers · last activity about 2 months ago by Canina‭

culture technology agriculture survival engineering

80%

+6 −0

How do you establish identity when people can change their appearance at will?

3 answers · last activity about 2 months ago by Pastychomper‭

genetics identity governance

50%

+3 −3

How do you find a mate when everyone looks amazing?

15 answers · last activity 3 months ago by celtschk‭

evolution humans near-future future

50%

+1 −1

Why buy tech from the future?

1 answer · last activity 3 months ago by Jordan‭

technology economy time-travel near-future

60%

+4 −2

Effects of not growing up?

1 answer · last activity 3 months ago by Olin Lathrop‭

biology

50%

+1 −1

An alternative way to rotate or in this case rolltate

5 answers · last activity 3 months ago by Matthew‭

climate astronomy physics solar-system alternate-reality

50%

+0 −0

What is the best apex predator to thin the zombie herds? [closed]

0 answers · last activity 3 months ago by Canina‭

fauna zombies

50%

+0 −0

Exploration of a 50 mile high mountain [closed]

0 answers · last activity 3 months ago by Canina‭

space technology exploration

71%

+3 −0

How do I manage memetic infection while time traveling?

2 answers · last activity 3 months ago by Green‭

time-travel information

80%

+6 −0

Is it realistic to see satellites moving across the sky centuries after humans stopped space activity?

1 answer · last activity 3 months ago by Green‭

space satellites

60%

+4 −2

How to Convince Humans to Allow a Machine Take-Over

8 answers · last activity 4 months ago by celtschk‭

society intelligence artificial-intelligence robots

80%

+6 −0

How efficient can a Dyson sphere be?

1 answer · last activity 4 months ago by celtschk‭

physics dyson-spheres megastructures energy materials

66%

+2 −0

Is a genetically modified human with a much higher height plausible?

3 answers · last activity 5 months ago by Razetime‭

evolution humans

62%

+3 −1

Wings going from locomotive purposes in juveniles to sexual purposes in adults, plausible?

0 answers · last activity 6 months ago by Lundin‭

evolution sex species

75%

+4 −0

How do I realistically keep my large mammalian predator hidden from other pack hunters.

3 answers · last activity 6 months ago by Lundin‭

biology creature-design mammals abilities

77%

+5 −0

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

2 answers · last activity 7 months ago by DonielF‭

biology magnetism electromagnetism

71%

+3 −0

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

13 answers · last activity 7 months ago by James Jenkins‭

biology science-based

55%

+3 −2

How to Terraform a Dead Earth

1 answer · last activity 7 months ago by Olin Lathrop‭

science-based terraforming science-fiction alternate-earth

75%

+4 −0

Restricted Directions for an Alcubierre Drive?

1 answer · last activity 8 months ago by lsusr‭

science-based spaceships science-fiction

71%

+3 −0

Would a 200-Pound Dwarf Still Need to Wear Clothing?

1 answer · last activity 8 months ago by pnuts‭

biology science-based adaptability humanoid alternate-earth

75%

+4 −0

Avoiding Incidental Ion Drive damage to Following Vehicles?

1 answer · last activity 8 months ago by dmckee‭

space-travel ion drive

72%

+6 −1

Why would merfolk have hair?

21 answers · last activity 8 months ago by PinoBatch‭

reality-check evolution creature-design merfolk hair

81%

+7 −0

Would a huge amount of asteroids hitting Earth change its rotation speed or destroy the planet?

1 answer · last activity 8 months ago by HDE 226868‭

asteroids earth

66%

+2 −0

Are geographically typed planets realistic?

5 answers · last activity 8 months ago by Canina‭

reality-check planets geography

60%

+1 −0

Is this planet's atmosphere stable and reasonable, and anything to keep in mind for lifeforms living in it?

3 answers · last activity 8 months ago by Canina‭

atmosphere reality-check

40%

+0 −1

How to explain a mermaid's tail morphing into legs and vice versa?

4 answers · last activity 8 months ago by PinoBatch‭

underwater merfolk fantasy-races

57%

+2 −1

How to go from a free person to a slave

11 answers · last activity 8 months ago by PinoBatch‭

science-based psychology slavery

50%

+1 −1

How should I create my Merfolks to make them landbased?

3 answers · last activity 8 months ago by PinoBatch‭

biology underwater merfolk

40%

+0 −1

Earth where all of Equidae went extinct via Ice Age... - Effects

3 answers · last activity 8 months ago by PinoBatch‭

reality-check science-based fauna

40%

+0 −1

Does the sun being blocked affect electricity?

6 answers · last activity 8 months ago by PinoBatch‭

science-based natural-disasters electricity

50%

+1 −1

3D Printer / Replicator : Raw Materials and Distribution Cables

3 answers · last activity 8 months ago by manassehkatz‭

science-based technology science-fiction

42%

+1 −2

Oh crap, it's 2020ad, and the Earth is about to explode! Can we make it to the stars?

9 answers · last activity 8 months ago by manassehkatz‭

apocalypse space-colonization

33%

+0 −2

"Life post-Singularity", or "How to survive without Instagram"

14 answers · last activity 8 months ago by wizzwizz4‭

society computers artificial-intelligence near-future singularity

75%

+4 −0

Competently Mobile Photosynthetic Animal?

1 answer · last activity 8 months ago by Cazadorro‭

biology science-based plant animal

50%

+1 −1

Can a organism control its metabolism and the heat it's generating?

1 answer · last activity 8 months ago by wizzwizz4‭

biology xenobiology

81%

+7 −0

Is it possible to create a beam of non-relativistic neutrinos?

1 answer · last activity 9 months ago by dmckee‭

physics technology relativity particle-physics

66%

+2 −0

How fast would strange matter conversion go?

1 answer · last activity 9 months ago by HDE 226868‭

science-based physics quantum astrophysics

66%

+4 −1

Black as color of magic

2 answers · last activity 9 months ago by Aliza‭

vision colors

50%

+0 −0

What would this nebula look like from a planet?

3 answers · last activity 9 months ago by Monica Cellio‭

science-based stars nebula light

50%

+0 −0

How can I safely brighten my secondary star?

5 answers · last activity 9 months ago by Monica Cellio‭

science-based stars light

66%

+2 −0

How do seasons work in a binary system (planet orbits one star, not both)?

5 answers · last activity 9 months ago by Monica Cellio‭

planets science-based stars light

50%

+0 −0

How much does my secondary star heat the planet orbiting my primary star?

3 answers · last activity 9 months ago by Monica Cellio‭

planets stars

77%

+5 −0

What conditions would cause an extremely dense (dark) coniferous forest to grow?

1 answer · last activity 9 months ago by Olin Lathrop‭

climate forestry ecology

60%

+1 −0

Can velocity drift be used to calculate a radio wave source's distance from Earth?

4 answers · last activity 9 months ago by HDE 226868‭

astronomy radio

60%

+1 −0

Cruelty Free Vampirism [closed]

6 answers · last activity 9 months ago by HDE 226868‭

biology society alternate-history vampires science-fiction

60%

+1 −0

Does crossing a wormhole happen instantaneously, or with the course of time?

2 answers · last activity 9 months ago by ArtOfCode‭

science-based wormholes transportation

60%

+1 −0

How could a bad random number generator explain baryon asymmetry?

3 answers · last activity 9 months ago by HDE 226868‭

science-based physics antimatter computers

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