/u/pier4r's posts

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

1 upvotes • r/askscience

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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?

1 upvotes • r/askscience

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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?

1 upvotes • r/askscience

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

1 upvotes • r/askscience

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

1 upvotes • r/askscience

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How long can a man survive missing specific nutrients ?

1 upvotes • r/askscience

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PDF - US Chess Ratings Workshop - July 18, 2024

1 upvotes • r/ChessStats

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As far as understood only recently historians started to connect the brutality of Nazis on the eastern front with the problem of food, why was this not observed for half a century or more?

0 upvotes • r/AskHistorians

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ww2: Why did Germans use enigma communications also within Germany and not, say, the phone line?

0 upvotes • r/AskHistorians

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Male population of age 18-49 left in Berlin after the end of the war and Trümmerfrauen.

0 upvotes • r/AskHistorians

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Title	Upvotes	Subreddit	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	askscience
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	askscience
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	askscience
Why do we have the need to stretch in the morning?	1	askscience
Is it true that vitamin D is produced with sunlight only if the sun is high enough in the sky?	1	askscience
How long can a man survive missing specific nutrients ?	1	askscience
PDF - US Chess Ratings Workshop - July 18, 2024	1	ChessStats
As far as understood only recently historians started to connect the brutality of Nazis on the eastern front with the problem of food, why was this not observed for half a century or more?	0	AskHistorians
ww2: Why did Germans use enigma communications also within Germany and not, say, the phone line?	0	AskHistorians
Male population of age 18-49 left in Berlin after the end of the war and Trümmerfrauen.	0	AskHistorians