Biology is a natural science concerned with the study of life and living organisms. With regards to science fiction and fantasy works, it is generally associated with the practicalities of invented forms of life or life-supporting habitats.

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What is the most massive planet a human could stand on? [closed]

At what mass does a planet's gravity become so great that a human can't actually physically remain standing under their own power? To clarify, I'm talking about a trained astronaut, so I'd assume they ...
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156 views

Are there Star Trek Species that are explicitly biologically incompatible? [closed]

We know that Klingon and Human DNA is compatible enough to reproduce (B'Elana Torres); same with Human and Vulcan DNA (Spock), and Cardassian and Bajoran DNA (Tora Ziyal). Are there any examples of ...
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2answers
191 views

What is the gestation period of a Klingon?

I am aware of the gestation periods of Betazeds is 10 months and (obviously) humans, but is the time span ever addressed of Klingon gestation? (Perhaps VOY might have a reference with B'Elana's ...
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1answer
146 views

Short story about mis-delivered cloning kit from the future,?

Short story about mis-delivered cloning kit from the future: Subject man clones himself using scanner and ingredients from the kit(add water), agent arrives (from future) to reclaim the kit, but ...
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1answer
232 views

What function do Xindi cheek holes serve?

All 5 of the extant sapient Xindi species have the same holes (and a line of bumps) on their cheeks, as can be seen below: Has it ever been explained what purpose they serve, or how such ...
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2answers
191 views

Do ST:DS9 Changeling/Founders Regenerate Their Matter?

On a number of occasions, e.g. S07E21 with Odo, Changelings give a sample of themselves for studies. As they don't seem to eat or consume, are they permanently losing mass when they do so? They seem ...
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4answers
2k views

Why aren't there any recognizable elf children in Middle-Earth?

Why aren't there any recognizable Elf children in Middle-Earth? I don't remember reading about younglings, only adults. Hobbit children, goblin imps and human children are all represented in the LOTR ...
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3answers
757 views

Is Wolverine sterile?

Pretty much just that...it seems like there would be a lot of little (and not so little) Wolverines running around by now if not. Surely this is addressed somewhere in the comics.
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126 views

What about the waste?

Was there ever a definitive description of how dragons and fire lizards defecate and what was done about it? I have read some descriptions saying that they do so between, while other sources stated ...
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1answer
284 views

Does Hulk have joint problems? [duplicate]

I just saw Hulk punch a tunnel through a mountain, and jump over others; and I've seen him throw cars so started thinking: he has this strength and muscles but don't his joints wear and tear? Has he ...
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2answers
628 views

What about Pandora's atmosphere is toxic to humans?

On Pandora, humans have to wear oxygen masks when moving about in the open air. On arrival, the soldiers are told, "you lose that mask you're unconscious in 20 seconds, you're dead in four minutes." ...
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2answers
1k views

How do the Dune sandworms move?

The sandworms of Dune are huge and powerful. But how exactly do they move beneath all that sand? They don't necessarily skim above the surface as they apparently only raise smallish (relative to their ...
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1answer
527 views

Poké Balls. Can any such device exist? [closed]

I was wondering if anything such as a Poké Ball can exist. They are said to transform the physical creatures into energy. Could something like this ever be possible? I was also wondering if matter ...
49
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1answer
6k views

What color is smurf blood?

Is it known whether smurf blood is red or blue? I checked the UNICEF ad (an ad where the Smurf village was annihilated by warplanes), but couldn't spot any blood in the ad.
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1answer
414 views

Can you genetically engineer powerful Force users?

Can genetic engineering be used to create more powerful force users than naturally born life forms can become? I was thinking about Vader's claim that the ability to destroy entire planets is nothing ...
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2answers
9k views

Why would Tony Stark need to drink Chlorophyll?

In Iron Man II, Tony Stark is suffering from Palladium poisoning due to having to use the element Palladium as the core for his ARC reactor. In order to combat the effects this has on his body he ...
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2answers
303 views

At what point does the biological portion of the (Arnold) Terminators fail?

In the film franchise we see the Terminator(s) get shot, burned, flayed and smashed. In T1, it begins to rot without medical attention. In T2, Uncle Bob tells Sarah Connor that it will heal as she ...
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1answer
192 views

Story Identification: Carnivorous Pack-Hunting Chipmunks

I recall reading a short story back in the 80's that featured some biologists who ran across a pack of carnivorous chipmunks in a national park. They would gang-up on larger creatures, like owls, and ...
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2answers
440 views

Is this retrovirus actually science fiction? [closed]

In the second book of Dean Koontz's unfinished Moonlight Bay trilogy, there is a retro virus that takes DNA from one creature alter itself accordingly and deposits itself into another cell, causing it ...
23
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1answer
2k views

Does Clark Kent have a weight problem?

This question came to mind while watching an overloaded vehicle tilting down the road ahead of me. Are Kryptonians Height & Weight Proportional (H/W/P) to humans? I'm curious to know if Clark has ...
7
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1answer
236 views

Would an alien chestburster be classified as a parasite or as a hybrid?

Aliens or Xenomorphs, form the Alien franchise go through several stages of development. One of these is hard to define. The chest burster feeds on its host like a parasite, Wiki - Parasitism ...
7
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1answer
206 views

Do Aliens (Xenomorph) have cells?

Do the aliens from the Alien franchise have cells as we know them? I want to know as I assumed they didn't and just secreted a resinous exoskeletal system.
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2answers
1k views

Why does Lyra-a have two belly buttons?

In the 1973 TV movie Genesis II, Lyra-a, a Tyranian (a mutant played by Mariette Hartley), shows Dylan Hunt her belly buttons. Did Gene Roddenberry provide an in-universe explaination as to what ...
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1answer
352 views

Do Vulcans get a patina when exposed to the sun?

Does exposure the sun add color to the skin of green blooded Vulcans in the same fashion that it tans red blooded humans?
14
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3answers
386 views

Can people Exercise in the Matrix?

When Neo is brought onto the Nebuchadnezzar, his muscles are stimulated so that they grow (having atrophied from not being used). However, if in the Matrix fighting can cause real damage (since your ...
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3answers
979 views

Is obesity ever addressed in Star Trek?

I was pondering, as I am wont to do, and it struck me how I could never recall anyone being overweight or obese in Star Trek. As it is such an issue today, and has been a major one issue for the last ...
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4answers
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How does cross-species (Klingon/Human, Vulcan/Human) breeding work genetically in Star Trek?

While humanoids across the galaxy theoretically share a common remote ancestor, from what I remember each species has evolved convergently towards humanoidness by different routes. So we end up with ...
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14answers
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Why do the Walking Dead zombies stop decomposing?

Zombies must have a half-life. They exibit signs of decay as soon as they transform into the undead. Their rotting flesh would attract decomposers, like flys and beetles. Those insects should be able ...
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3answers
1k views

Why are Vulcan lips Human-reddish instead of green?

We know that Vulcan blood is copper based instead of iron as in Humans, making it appear green instead of red. This is shown when bruised or bleeding as well as in Bones' insults to Spock. The lips ...
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3answers
1k views

Do characters in Star Wars & Star Trek even address how odd it is the universe is filled with humanoids?

In Star Trek, basically everyone is a human with facial make-up, and in Star Wars, even Ewoks and Chewbacca and really basically even the Hutt (Jabba et al.) are humanoid; is there an attempt at an ...
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2answers
4k views

Real animals that function like the Mogwai from Gremlins [closed]

I am not asking if Mogwai exist, but Mogwai are pretty interesting in that their are time restrictions for diet and environment that cause it to effectively turn into another species. I know that ...
10
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5answers
2k views

Can't you just bite off a face hugger?

This seems like a serious plot hole to me. The face hugger in the Alien franchise is almost completely soft, short of its crab like legs. It seems like a serious evolutionary disadvantage if your ...
12
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2answers
1k views

How much volume is there in the 'hollows' of human bones?

Since the Extremis storyline, Tony Stark stores a portion of the Iron Man armor inside the hollows of his bones. My really basic understanding of biology knows that inside our bones is marrow, which ...
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2answers
388 views

Is the claim by Kim Stanley Robinson about Carbon Dioxide being poisonous true?

I've read all 3 books, and loved them except for one small claim that keeps bothering me. Specifically, is Carbon Dioxide as poisonous as we are lead to believe? I always thought that if we were in an ...
15
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3answers
658 views

Does the crew of the Destiny have a large enough population to found a colony?

In a recent episode of Stargate Universe, we learn that alternate versions of the crew ended up back in time stranded on a planet. They proceed to establish a colony, which over the years grows to a ...
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6answers
6k views

What would really happen if you were exposed to space?

It seems that every science fiction story has a different idea about what would happen if a human were exposed to the vacuum of space. At the end of Total Recall, Quaid and Melina are ejected to ...
63
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5answers
2k views

Invisibility should cause blindness: how does hard sf cope?

One problem I've always thought of with science fiction characters becoming invisible is that they should go blind, because their retina does not catch any light. Obviously a lot of soft SF or ...
13
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1answer
471 views

What book features aliens defeating humanity with a sleep inducing virus?

What I remember of the plot is that Aliens called Poppers (or something like that) have landed on earth and released a virus that has put the human population to sleep. Only about 1 in a hundred ...