/u/-aurelius's posts in /r/askscience

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Is there a reason that black text against a light background is so much easier on the eyes than white text against a dark background?

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How do non-physical traits like personality and intelligence get coded into DNA and passed on through genes?

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What could possibly replace jet engines on airplanes in the distant future?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is there a reason that black text against a light background is so much easier on the eyes than white text against a dark background?	1
How do non-physical traits like personality and intelligence get coded into DNA and passed on through genes?	1
What could possibly replace jet engines on airplanes in the distant future?	1