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

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How is it mechanically possible for a hummingbird to flap their wings from 50-200 times per second?

11 upvotes

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How exactly do we know that Uranium-238 has a half life of 4.47 billion years, as well as all the elements it decays into?

1 upvotes

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Why do all felines do the "cat stretch," or playing or resting in boxes, etc.?

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[Biology] Why do all felines do the "cat stretch," or like to rest or play in boxes,etc.?

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How does global warming affect the ongoing and future brush fires across the globe?

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[Chemistry] How does Aqua Regia dissolve gold, and how can you get it back through precipitation?

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When you forget something, why is it that you sometimes remember it momentarily when you cross a doorway, or return to the place you were previously standing in?

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Is it theoretically possible to shoot something so fast into a black whole as to escape matter spaghettification?

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How big would an asteroid need to be to boil the world's oceans upon impact? How big might the resulting crater be?

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Does/did "dark antimatter" exist?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How is it mechanically possible for a hummingbird to flap their wings from 50-200 times per second?	11
How exactly do we know that Uranium-238 has a half life of 4.47 billion years, as well as all the elements it decays into?	1
Why do all felines do the "cat stretch," or playing or resting in boxes, etc.?	1
[Biology] Why do all felines do the "cat stretch," or like to rest or play in boxes,etc.?	1
How does global warming affect the ongoing and future brush fires across the globe?	1
[Chemistry] How does Aqua Regia dissolve gold, and how can you get it back through precipitation?	1
When you forget something, why is it that you sometimes remember it momentarily when you cross a doorway, or return to the place you were previously standing in?	1
Is it theoretically possible to shoot something so fast into a black whole as to escape matter spaghettification?	1
How big would an asteroid need to be to boil the world's oceans upon impact? How big might the resulting crater be?	1
Does/did "dark antimatter" exist?	1