Questions tagged [humans]

For questions about humans as we know them or slightly changed, their physiology, psychology, politics, society and goals.

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Will the Anatomical Differences in These Humanoids Affect Baby Development?

Okay, here are two hypothetical species of the genus Homo. One averages 67 to 84 inches (170-213 cm) in height and 99 to 110 pounds (45-50 kg) in weight and gives birth to twins. The other averages ...
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What evolutionary pressures would lead humans to evolve to be able to see ultraviolet light?

In my world, there is a species from the Homo genus named Homo maritimus (which means marine human) (there are still humans, just not Homo sapiens). They are commonly named merfolk. However, they do ...