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

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How come when I breathe in through my nose I'm able to smell the odors around me but when I exhale through my nose I don't smell my breathe or any of the odors inside my body?

863 upvotes

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Why is does the brain have the "ball of noodles" shape that it has?

1 upvotes

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How do gills work?

1 upvotes

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What would happen if someone took an even amount of both estrogen and testosterone supplements regularly?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How come when I breathe in through my nose I'm able to smell the odors around me but when I exhale through my nose I don't smell my breathe or any of the odors inside my body?	863
Why is does the brain have the "ball of noodles" shape that it has?	1
How do gills work?	1
What would happen if someone took an even amount of both estrogen and testosterone supplements regularly?	1