/u/pier4r's posts in /r/askscience

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How come that fruit flies don't seem to have genetic problems even if they replicate from a small population?

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If one uses the same energy to produce a sound, would the sound be heard at longer range in water or in air? And why?

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What are the effects of radiation in places like Chernobyl or Fukushima on the Flora and fauna? Was any clear trend uncovered in those years?

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Why do we have the need to stretch in the morning?

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Is it true that vitamin D is produced with sunlight only if the sun is high enough in the sky?

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How long can a man survive missing specific nutrients ?

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Why are our memories of real events often stronger and more persistent than memories of dreams , although we may experience some dreams for longer time than some events?

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Does the change of CO2 in the air (in ppm) impact our mind performance?

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"Genetics also contribute to diversity: apart from XX and XY chromosome sets, a whole range of combinations is possible, and even cells within the same body can have different chromosome combinations." is that true?

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Why do we feel better if we complete some todos, tasks, tickets, assignments, etc... even when we have a long list of them?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How come that fruit flies don't seem to have genetic problems even if they replicate from a small population?	1
If one uses the same energy to produce a sound, would the sound be heard at longer range in water or in air? And why?	1
What are the effects of radiation in places like Chernobyl or Fukushima on the Flora and fauna? Was any clear trend uncovered in those years?	1
Why do we have the need to stretch in the morning?	1
Is it true that vitamin D is produced with sunlight only if the sun is high enough in the sky?	1
How long can a man survive missing specific nutrients ?	1
Why are our memories of real events often stronger and more persistent than memories of dreams , although we may experience some dreams for longer time than some events?	1
Does the change of CO2 in the air (in ppm) impact our mind performance?	1
"Genetics also contribute to diversity: apart from XX and XY chromosome sets, a whole range of combinations is possible, and even cells within the same body can have different chromosome combinations." is that true?	1
Why do we feel better if we complete some todos, tasks, tickets, assignments, etc... even when we have a long list of them?	1