All Questions
233
questions
36
votes
9
answers
9k
views
How would tattoos fare on reptilian scales?
In a world with humanized (or at least tool using) reptiles, how long would a tattoo be able to last on the scales? Would the tools need to be much different than what we use today?
Would it be ...
- 872
8
votes
4
answers
626
views
Life in planets with little Solar exposure
Could life originate on planets outside the circumstellar habitable zone (CHZ)
where there is very little exposure to sun (like Uranus). If so what kind of energy source would they depend on.
Could ...
- 1,180
18
votes
12
answers
11k
views
Could a space-dwelling creature survive solely off of sunlight?
On Earth, photosynthetic organisms require additional nutrients to survive; in addition to "feeding" off of sunlight, plants respire and absorb water from the ground in order to grow.
However, the ...
- 4,787
20
votes
3
answers
6k
views
Is metal-based, or other non-carbon-based, life realistic?
One science fiction short story I read (I don't remember the title or author, sorry!) featured some small creatures (unnamed) that were formed from metal, with the argument that "just like life ...
- 2,841
28
votes
7
answers
7k
views
Could life form in outer space?
All life we know of to date (presumably) formed on a rocky planet (more precisely: earth). Fiction has been written about life in more exotic locations. Though as far as I know, these lifeforms were ...
- 5,575
36
votes
5
answers
39k
views
Is it possible to genetically modify a being after birth?
In many stories we hear about people whose genetic structure is modified after they're born (Spider-man, The Fantastic 4 and practically any other superhero you care to mention). However current ...
- 18.7k
59
votes
12
answers
17k
views
Is a man-eating plant realistic?
Carnivorous plants live in nutrient-poor, highly lit habitats, such as bogs or rocks. For example Earth's biggest carnivorous plant, Nepenthes rajah, lives on mountain-tops with high concentration of ...
- 2,939
22
votes
4
answers
2k
views
City in a hollow tree
As a tree grows new layers are added each year so that the trunk expands in radius. The living part of the tree is a relatively thin layer on the outside just beneath the bark, and the wood further ...
