User trichoplax is on Codidact now

46 votes

Accepted

What would be the evolutionary advantage for plants to be bioluminescent?

answered Sep 28, 2014 at 11:36

22 votes

Is there a maximum size an ocean bound creature could grow to?

answered Oct 1, 2014 at 17:03

21 votes

Does living without access to sunlight for extended periods have known physical or psychological effects on humans?

answered Sep 22, 2014 at 10:00

20 votes

Accepted

Is it possible to advertise on the moon?

answered Oct 2, 2014 at 15:13

14 votes

Multiple DNA, one creature

answered Jan 12, 2016 at 0:24

13 votes

Why aren't animals photosynthetic?

answered Oct 12, 2014 at 4:08

13 votes

Is there a credible way a shapeshifter could gain/lose body mass when changing forms?

answered Sep 22, 2014 at 19:50

13 votes

Is it physically possible for a planet to have seasons of different lengths?

answered Sep 17, 2014 at 23:21

11 votes

Could fictional species benefit from limited inbreeding?

answered Oct 14, 2014 at 14:17

9 votes

Would gravity be constant inside a Bernal sphere?

answered Oct 9, 2014 at 17:21

9 votes

What could cause rock formations (small stones, boulders, islands...) to levitate?

answered Sep 18, 2014 at 21:22

7 votes

Accepted

What would be the main societal changes if we invented a free and unlimited energy source tomorrow on earth?

answered Sep 21, 2014 at 23:01

7 votes

Are flying plants possible?

answered Mar 4, 2015 at 21:16

6 votes

Accepted

Could computing be developed in a pre-refining society?

answered Oct 4, 2014 at 17:20

6 votes

What would be the next technological step for a civilization after it has depleted all resources that allow for conventional technologies?

answered Sep 18, 2014 at 15:21

6 votes

What environment would make leaves light blue?

answered Oct 1, 2014 at 13:30

5 votes

Less boring classifications of earth-like terrain when making maps

answered Sep 21, 2014 at 20:44

5 votes

Life on Smooth World

answered Oct 25, 2016 at 10:36

4 votes

Is it more likely that merfolk would evolve with horizontal or vertical tails?

answered Oct 9, 2014 at 10:05

0 votes

The Challenge of Controlling a Powerful AI

answered Dec 14, 2014 at 17:54

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20 Answers

What would be the evolutionary advantage for plants to be bioluminescent?

Is there a maximum size an ocean bound creature could grow to?

Does living without access to sunlight for extended periods have known physical or psychological effects on humans?

Is it possible to advertise on the moon?

Multiple DNA, one creature

Why aren't animals photosynthetic?

Is there a credible way a shapeshifter could gain/lose body mass when changing forms?

Is it physically possible for a planet to have seasons of different lengths?

Could fictional species benefit from limited inbreeding?

Would gravity be constant inside a Bernal sphere?

What could cause rock formations (small stones, boulders, islands...) to levitate?

What would be the main societal changes if we invented a free and unlimited energy source tomorrow on earth?

Are flying plants possible?

Could computing be developed in a pre-refining society?

What would be the next technological step for a civilization after it has depleted all resources that allow for conventional technologies?

What environment would make leaves light blue?

Less boring classifications of earth-like terrain when making maps

Life on Smooth World

Is it more likely that merfolk would evolve with horizontal or vertical tails?

The Challenge of Controlling a Powerful AI