/u/[deleted]'s posts in /r/askscience

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Was there a decrease in other infectious diseases other than Covid due to wearing masks during the past 2 years?

218 upvotes

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Is there any scientific consensus regarding the longterm effects of smoking marijuana?

217 upvotes

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Why does my voice sound so different when it's recorded as opposed to when I speak?

217 upvotes

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The average temperature outside airplanes at 30,000ft is -40° F to -70° F (-40° C to -57° C). The average causing speed is 575mph. If speed=energy and energy equals=heat, is the skin of the airplane hot because of the speed or cold because of the temperature around?

217 upvotes

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How often would you see a dinosaur?

216 upvotes

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What is the role of taurine in soft drinks?

216 upvotes

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What, exactly, is entropy?

215 upvotes

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Given that human history is rife with genocides, is it possible that our xenophobic tendencies caused homo sapien sapiens to be the only type of human left?

214 upvotes

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What is the maximum theoretical size that a star can achieve?

212 upvotes

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Is organic food better for you than non-organic food?

212 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Was there a decrease in other infectious diseases other than Covid due to wearing masks during the past 2 years?	218
Is there any scientific consensus regarding the longterm effects of smoking marijuana?	217
Why does my voice sound so different when it's recorded as opposed to when I speak?	217
The average temperature outside airplanes at 30,000ft is -40° F to -70° F (-40° C to -57° C). The average causing speed is 575mph. If speed=energy and energy equals=heat, is the skin of the airplane hot because of the speed or cold because of the temperature around?	217
How often would you see a dinosaur?	216
What is the role of taurine in soft drinks?	216
What, exactly, is entropy?	215
Given that human history is rife with genocides, is it possible that our xenophobic tendencies caused homo sapien sapiens to be the only type of human left?	214
What is the maximum theoretical size that a star can achieve?	212
Is organic food better for you than non-organic food?	212