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

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In Japan, it is common for people with cold infections to wear surgical masks in public. Does this affect the rate of infection in Japan? If so, why does no government elsewhere promote them?

2295 upvotes

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Why are the sex organs and excretory organs in humans so intermingled?

453 upvotes

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How does cling-film (Saran-wrap) stick to itself? Does it leave any residue on the food?

125 upvotes

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What makes human fat cells release the fat that they store when there is a calorie deficit? Can the trigger not be mimicked by a drug?

28 upvotes

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Why has only 10% of the ocean floor been mapped? Surely ships go nearly everywhere now. Don't they have RADAR?

22 upvotes

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What is are the causes of frozen food deterioration?

20 upvotes

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Why do electrical oil radiators have oil in them, rather than heating the air directly?

11 upvotes

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Do the donor cells in donated organs eventually die off completely, being totally replaced by recipient cells? Does this end the tissue rejection issues?

9 upvotes

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How was it noticed that asbestos had a health consequence many years after exposure? How likely is it that some other product around today is unsafe in a similar way?

9 upvotes

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What's the most distant possible orbital path for something orbiting Earth?

8 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
In Japan, it is common for people with cold infections to wear surgical masks in public. Does this affect the rate of infection in Japan? If so, why does no government elsewhere promote them?	2295
Why are the sex organs and excretory organs in humans so intermingled?	453
How does cling-film (Saran-wrap) stick to itself? Does it leave any residue on the food?	125
What makes human fat cells release the fat that they store when there is a calorie deficit? Can the trigger not be mimicked by a drug?	28
Why has only 10% of the ocean floor been mapped? Surely ships go nearly everywhere now. Don't they have RADAR?	22
What is are the causes of frozen food deterioration?	20
Why do electrical oil radiators have oil in them, rather than heating the air directly?	11
Do the donor cells in donated organs eventually die off completely, being totally replaced by recipient cells? Does this end the tissue rejection issues?	9
How was it noticed that asbestos had a health consequence many years after exposure? How likely is it that some other product around today is unsafe in a similar way?	9
What's the most distant possible orbital path for something orbiting Earth?	8