askscience

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Are standard UV sunglasses any protection against the cheap lazer pens (not high powered) that you can buy on Amazon?	1
At what percentage of population immunised against Covid19 can we expect life to return to normal?	1
Are the 'do it at home' allergy/intolerance tests any good?	1
Is there an ingredient which can be used like a membrane around something delicate, and will break down in hot water releasing the contents?	1
Was there ever any evidence behind the horse placenta treatments those professional footballers were using about 7 years back?	1
Imagine an EM drive were taken up to the upper stratosphere by a weather balloon, then sprung higher. Would it be capable of leaving the earth's atmosphere? Would it be high enough to test it's thrust?	0
My camper is full of moisture, I'm planning to use calcium carbonate to dehumidify it. Will it work? Is the agricultural powder basically the same as the much more expensive food one? Thank you	0
r/happiness has recently changed to being a sub devoted to the science of happiness, and public projects based on implementing the principles of that science. Does anyone here have some good studies they could post?	0
History folk. i feel young people are sick and tired of our global political system and how little voice we have in it. Is this what happened in the 60's and if so what went wrong/what can we learn from it?... or is it just a constant cycle of youth disapproving of the world they've been handed?	0
So far SETI has not discovered any radio signals from alien civilizations. Has anyone made educated estimations for how long a civilization is likely to use radio signals before the technology becomes obsolete?	0

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