/u/7UPvote's posts

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How did 8.5x11 become such a widely-used size of paper?

38 upvotes • r/AskHistorians

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Why was the Bradley's 25mm autocannon able to knock out Soviet T-55s when the Sherman's 75mm cannon fared so poorly against German medium tanks?

38 upvotes • r/AskHistorians

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Did George H. W. Bush have, or allegedly have, ties to the CIA before his 1976 appointment as its director?

35 upvotes • r/AskHistorians

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Did Plains Indians like Sitting Bull and Red Cloud know that horses were part of the Columbian Exchange?

35 upvotes • r/AskHistorians

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Anyone have any background knowledge on this picture? I've heard it was taken on the road to Stalingrad.

30 upvotes • r/AskHistorians

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[AMA Request] Lawrence Colburn, the sole surviving member of the helicopter crew that intervened during the My Lai massacre.

27 upvotes • r/IAmA

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Why do some metals create a shower of sparks when struck against flint but not others?

21 upvotes • r/askscience

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Energy can be converted into matter and vice-versa. Can energy be converted into antimatter?

19 upvotes • r/askscience

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[WP] technological breakthroughs decades ahead of current human knowledge begin appearing anonymously on Wikipedia.

19 upvotes • r/WritingPrompts

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How do animals that pant regulate their blood pH to prevent themselves from passing out?

15 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
How did 8.5x11 become such a widely-used size of paper?	38	AskHistorians
Why was the Bradley's 25mm autocannon able to knock out Soviet T-55s when the Sherman's 75mm cannon fared so poorly against German medium tanks?	38	AskHistorians
Did George H. W. Bush have, or allegedly have, ties to the CIA before his 1976 appointment as its director?	35	AskHistorians
Did Plains Indians like Sitting Bull and Red Cloud know that horses were part of the Columbian Exchange?	35	AskHistorians
Anyone have any background knowledge on this picture? I've heard it was taken on the road to Stalingrad.	30	AskHistorians
[AMA Request] Lawrence Colburn, the sole surviving member of the helicopter crew that intervened during the My Lai massacre.	27	IAmA
Why do some metals create a shower of sparks when struck against flint but not others?	21	askscience
Energy can be converted into matter and vice-versa. Can energy be converted into antimatter?	19	askscience
[WP] technological breakthroughs decades ahead of current human knowledge begin appearing anonymously on Wikipedia.	19	WritingPrompts
How do animals that pant regulate their blood pH to prevent themselves from passing out?	15	askscience