/u/ryan-a's posts

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What are the oldest species that we could (in theory) bring back from extinction, given the half-life of DNA?

1089 upvotes • r/askscience

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How do sharks smell blood 0.4km away? Does a particle of blood travel to their nose through the water?

1077 upvotes • r/askscience

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Is Pluto small enough that you could obviously see the curvature of the horizon while standing on the surface?

18 upvotes • r/askscience

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[EU] Take a Star Wars prequel scene/s with dialogue that makes you cringe and rewrite it to be less camp/cheesey.

17 upvotes • r/WritingPrompts

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How have some species, e.g. tuatara, gone so long without evolving?

6 upvotes • r/askscience

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What speed would an aircraft headed west have to be doing in order to 'keep up with The Sun'?

3 upvotes • r/askscience

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Why do many Middle Eastern countries have the highest carbon dioxide emissions per capita?

2 upvotes • r/askscience

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What happens when you wind yourself?

1 upvotes • r/askscience

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What is the minimum speed an already airborne aircraft can travel without falling out of the sky?

1 upvotes • r/askscience

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What causes the stinging feeling in your nose when you well up but attempt to hold back the tears?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
What are the oldest species that we could (in theory) bring back from extinction, given the half-life of DNA?	1089	askscience
How do sharks smell blood 0.4km away? Does a particle of blood travel to their nose through the water?	1077	askscience
Is Pluto small enough that you could obviously see the curvature of the horizon while standing on the surface?	18	askscience
[EU] Take a Star Wars prequel scene/s with dialogue that makes you cringe and rewrite it to be less camp/cheesey.	17	WritingPrompts
How have some species, e.g. tuatara, gone so long without evolving?	6	askscience
What speed would an aircraft headed west have to be doing in order to 'keep up with The Sun'?	3	askscience
Why do many Middle Eastern countries have the highest carbon dioxide emissions per capita?	2	askscience
What happens when you wind yourself?	1	askscience
What is the minimum speed an already airborne aircraft can travel without falling out of the sky?	1	askscience
What causes the stinging feeling in your nose when you well up but attempt to hold back the tears?	1	askscience