askscience

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Nature has always been filled with fatally sharp objects. Why haven't we evolved to be immune to stabbing?	1
With all stars dying off, will the whole universe eventually be plunged into eternal darkness or do scientists believe that there will be other sources to illuminate it? If yes, what would they potentially be?	1
Is there a break even point beyond which the detrimental mental health impacts of social distancing start outweighing its physical health benefits? Is there a point when you say: " yeah, I'd rather risk dying from covid than socially distance coz any more isolation makes suicide a viable option"?	1
Given that AI robots in the future would be able to perform creative endeavors such as writing a novel, painting a picture, making a piece of music, etc., would it be possible to create AI which can determine whether a creative piece was made by a human or an AI robot?	1
As far as we can tell, will the universe end in Fire or Ice? Also, will it end with a bang or a whimper?	1
Is the biggest challenge we face to interplanetary/intergalactic travel a physics one or an engineering one? Do the laws of physics and what we know about the universe allow us, in theory, to travel at such mind-boggling speeds?	1
If we weren't able to successfully develop a vaccine for Covid, what would have been the overarching guiding principles for dealing with it?	1
From a medical point of view, is there a certain amount of regular alcohol consumption that is recommended?	1
Given that a significant portion of the population are anti-vaccine, how worried are doctors/epidemiologists that the delta variant could mutate into something so deadly that the current vaccine becomes ineffective and we have to start all over again?	1
What exactly is pain? We know that it causes a discomfort and a desire for it to stop, but how? how does the brain "create" pain?	1

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