/u/Berkamin's posts

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I heard that detergents, soaps, and surfactants have a polar end and a non-polar end, and are thus able to dissolve grease. But so do fatty acids; the carboxyl end (the acid part) is polar, and the long hydrocarbon tail is non-polar. So why don't fatty acids behave like soap? What's the difference?

7179 upvotes • r/askscience

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How does water become super clear in the wild? What happens to suspended solids, algae, and plankton?

128 upvotes • r/askscience

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They call toilet splash-back "Poseidon's kiss"...

106 upvotes • r/TwoSentenceHorror

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How are molecular structures determined with such precision? How were they determined in the past?

71 upvotes • r/askscience

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I shuddered with relief as I kicked open the toilet stall door and aimed my ass at the toilet to let out my explosive diarrhea.

67 upvotes • r/TwoSentenceHorror

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As I sat bouncing my 25 year old son on my arthritic knees to soothe him

62 upvotes • r/TwoSentenceHorror

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According to the Smithsonian Channel, the Roman pilum was unmatched as a ranged weapon. Why wasn't this weapon and its tactic copied by others, and why did it fall out of use?

47 upvotes • r/AskHistorians

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"You're safe from the demon if you just stay inside the ring of salt."

44 upvotes • r/TwoSentenceHorror

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It's not unusual to see shoe racks packed with shoes when exploring abruptly abandoned homes.

42 upvotes • r/TwoSentenceHorror

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As stood by the taco truck with taco in hand, I tilted my head and opened my mouth to take a bite

37 upvotes • r/TwoSentenceHorror

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
I heard that detergents, soaps, and surfactants have a polar end and a non-polar end, and are thus able to dissolve grease. But so do fatty acids; the carboxyl end (the acid part) is polar, and the long hydrocarbon tail is non-polar. So why don't fatty acids behave like soap? What's the difference?	7179	askscience
How does water become super clear in the wild? What happens to suspended solids, algae, and plankton?	128	askscience
They call toilet splash-back "Poseidon's kiss"...	106	TwoSentenceHorror
How are molecular structures determined with such precision? How were they determined in the past?	71	askscience
I shuddered with relief as I kicked open the toilet stall door and aimed my ass at the toilet to let out my explosive diarrhea.	67	TwoSentenceHorror
As I sat bouncing my 25 year old son on my arthritic knees to soothe him	62	TwoSentenceHorror
According to the Smithsonian Channel, the Roman pilum was unmatched as a ranged weapon. Why wasn't this weapon and its tactic copied by others, and why did it fall out of use?	47	AskHistorians
"You're safe from the demon if you just stay inside the ring of salt."	44	TwoSentenceHorror
It's not unusual to see shoe racks packed with shoes when exploring abruptly abandoned homes.	42	TwoSentenceHorror
As stood by the taco truck with taco in hand, I tilted my head and opened my mouth to take a bite	37	TwoSentenceHorror