/r/askscience

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Is there a "natural" way that the human body wakes itself up in the morning? If so, does drinking coffee in the morning lessen the effect of that process?

1044 upvotes • Boccard

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Why are 300+ years old "mastercraft" violins supposedly superior to anything that can be crafted with modern technology?

1044 upvotes • arkandji

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If a woman has an irregular period, let's say once every five months, does she extend her birthing years?

1044 upvotes • shroomstamper

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Why are only 151 cases of Covid-19 sufficient to demonstrate that Moderna's vaccine is 60% effective in a trial with 30,000 participants?

1044 upvotes • mylastnameandanumber

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How do the alveoli maintain a different air composition to the atmosphere if they are connected to the atmosphere by an open tube?

1044 upvotes • Electrical_Rest99

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Can Musou black / Vanta Black paint defeat police laser and radar speed guns?

1044 upvotes • Notta_spaz

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Was reading something related to Rock Salt mining. In places like the Himalayas where rock salt mining is done in cold temperatures, a lot of miners report burns. Why is it so that salt burns in a colder surroundings? Would it be the same reason why the salt ice challenge was so dangerous?

1044 upvotes • vvdmoneymuttornot

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why do most of the planets revolve around the same plane?

1043 upvotes • amap100

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How does a wild animal population naturally recover from an STD outbreak? NSFW

1043 upvotes • Baskin

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In an oxygen-free environment or vacuum, would a very hot piece of wood melt? What about meat?

1043 upvotes • Kenley

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Is there a "natural" way that the human body wakes itself up in the morning? If so, does drinking coffee in the morning lessen the effect of that process?	1044	Boccard
Why are 300+ years old "mastercraft" violins supposedly superior to anything that can be crafted with modern technology?	1044	arkandji
If a woman has an irregular period, let's say once every five months, does she extend her birthing years?	1044	shroomstamper
Why are only 151 cases of Covid-19 sufficient to demonstrate that Moderna's vaccine is 60% effective in a trial with 30,000 participants?	1044	mylastnameandanumber
How do the alveoli maintain a different air composition to the atmosphere if they are connected to the atmosphere by an open tube?	1044	Electrical_Rest99
Can Musou black / Vanta Black paint defeat police laser and radar speed guns?	1044	Notta_spaz
Was reading something related to Rock Salt mining. In places like the Himalayas where rock salt mining is done in cold temperatures, a lot of miners report burns. Why is it so that salt burns in a colder surroundings? Would it be the same reason why the salt ice challenge was so dangerous?	1044	vvdmoneymuttornot
why do most of the planets revolve around the same plane?	1043	amap100
How does a wild animal population naturally recover from an STD outbreak? NSFW	1043	Baskin
In an oxygen-free environment or vacuum, would a very hot piece of wood melt? What about meat?	1043	Kenley