/r/askscience

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If it only takes the Earth 23 hours and 56 minutes to rotate on its axis, why doesn't the sun eventually set "in the middle of the day"?

1759 upvotes • slow3

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Why does mars have ANY surface features given that it has no plate tectonics and has wind storms?

1759 upvotes • tijR

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How can a virus reside in a host,but not trigger symptoms?

1757 upvotes • eehoe

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does flu medicine ease symptoms and help you get through the virus quicker, or does it ease symptoms without shortening the duration?

1757 upvotes • violettkidd

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How different would the movie Jurassic Park be with today's information?

1756 upvotes • Dymodeus

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Why are melting Ice Caps causing the world water level to rise, when (correct me if i'm wrong) the higher percentage of the ice is in the water already and ice has a lower density than water?

1756 upvotes • [deleted]

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In a microwave, why doesn't the rotating glass/plastic table get hot or melt?

1756 upvotes • wuh_happon

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Light is generally described as having a sinusoidal waveform. Is it possible to have light as other waveforms, such as a square wave, saw-tooth wave or triangle wave? If so, how differently would such light behave in relation to "classic" sinusoidal light?

1755 upvotes • platinum95

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Mass of humans vs wild animals: is XKCD correct?

1753 upvotes • ctesibius

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Did the Spanish flu cause long-flu symptoms similar to how Covid causes Long Covid?

1753 upvotes • aaRecessive

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
If it only takes the Earth 23 hours and 56 minutes to rotate on its axis, why doesn't the sun eventually set "in the middle of the day"?	1759	slow3
Why does mars have ANY surface features given that it has no plate tectonics and has wind storms?	1759	tijR
How can a virus reside in a host,but not trigger symptoms?	1757	eehoe
does flu medicine ease symptoms and help you get through the virus quicker, or does it ease symptoms without shortening the duration?	1757	violettkidd
How different would the movie Jurassic Park be with today's information?	1756	Dymodeus
Why are melting Ice Caps causing the world water level to rise, when (correct me if i'm wrong) the higher percentage of the ice is in the water already and ice has a lower density than water?	1756	[deleted]
In a microwave, why doesn't the rotating glass/plastic table get hot or melt?	1756	wuh_happon
Light is generally described as having a sinusoidal waveform. Is it possible to have light as other waveforms, such as a square wave, saw-tooth wave or triangle wave? If so, how differently would such light behave in relation to "classic" sinusoidal light?	1755	platinum95
Mass of humans vs wild animals: is XKCD correct?	1753	ctesibius
Did the Spanish flu cause long-flu symptoms similar to how Covid causes Long Covid?	1753	aaRecessive