Linked Questions

6
votes
6answers
1k views

Could “soylent” or “body fuel” be mass produced cheaply without the reliance on agriculture?

I'm trying to figure out how a minimalist style society would work. Its secretive founders have been planning this since the 19th century, hiding in universities, influencing the young to attempt to ...
12
votes
3answers
476 views

Feasibility of floating city-sized forests

My world is essentially a Neptune-sized gas planet that got seeded with life and its surface layer filled with oxygen, therefore gaining a sizeable layer with Earthlike conditions. Within this layer,...
10
votes
3answers
297 views

Life on a small Neptunian/big super-Earth planet?

I want to create an alien life for a planet which is at about 6–8 Earth masses. It has a thick atmosphere made of hydrogen, helium, methane and nitrogen. I want that life to evolve slowly and be quite ...
13
votes
3answers
623 views

Pharbohydrates vs Carbohydrates

Question: Are there are any serious biological or evolutionary plausibility issues with separating the energy storage/production function from the production of structural/regulatory biomass? ...
7
votes
1answer
642 views

Hot rods into space!

Based on this question about an impossible barbell planet, how hot would the bar be if it extended from halfway in the Earth's mantle to an altitude of 2r of Earth's radius? The diameter of the bar ...
3
votes
2answers
371 views

What stellar qualities would allow our Sun to support human photosynthesis?

I am interested in a character or race of humanoids similar to the green man in the tent in Wolfe's Book of the New Sun. What qualities would the Sun need to have in order to support a race of human-...
8
votes
1answer
373 views

The Rocky Road of Life for Rocks

Back in highschool I had a teacher who was adamant that rocks were alive; stating things like "They reproduce when you break them". They might have been a bit on the "outthere" side, but I was ...
2
votes
2answers
217 views

Using chemosynthesis in mammals [closed]

I have a genius new idea, that could not possibly fail. What if... we would use the methane created during digestion and use it to create even more energy and biomass. The idea of this process was ...
9
votes
1answer
193 views

A reciprocal metabolism is needed on a world overrun by crazy plants

In this paper by Bains et al, an alternative to oxygenic photosynthesis is discussed. Apparently, 4 times the amount of biomass can be produced using hydrogenic over oxygenic photosynthesis. Oxygenic ...
0
votes
5answers
217 views

Creating the Alga of algae

I have to feed my dinosaurs, the plants in the land are mostly destroyed, but the ocean is almost "untouched", so of course, I'm gonna feed my feathery friends with a lot of algae, specially made by ...
1
vote
2answers
219 views

How to build a race which uses photosynthesis? [duplicate]

I've built a species that does eat, but I would also like them to get some of their energy from the sun. Consider the conditions to be identical to earth as far as the sun and atmosphere is concerned. ...