/r/askscience

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If light has energy, does it lose that energy over time? For example, the stars we see: does that light lose energy between their point of origin and it reaching Earth?

503 upvotes • paulthepenguin

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Is there are maximum of brightness that light can reach?

503 upvotes • Deeplorer

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Before digital scales, how was a weight measurement of accurate to .01g performed?

503 upvotes • CoinNoob7

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Why does decomposition of food in landfills differ from composting?

503 upvotes • StarManSavant

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Are quantum fields in any way similar to classical fields?

502 upvotes • nompynuthead

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Do we know anything about the patients which get COVID19 in spite of the vaccination?

502 upvotes • mschweini

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Is it true some prey taunt predators?

502 upvotes • Ulforicks

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How is a mosquito proboscis physically capable of puncturing human skin?

502 upvotes • ForestManJ

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What exactly determines how much sleep different animals need?

502 upvotes • pupperonipizzapie

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AskScience, are there any concrete studies on whether milk is good for us or not?

502 upvotes • zombiejeff

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
If light has energy, does it lose that energy over time? For example, the stars we see: does that light lose energy between their point of origin and it reaching Earth?	503	paulthepenguin
Is there are maximum of brightness that light can reach?	503	Deeplorer
Before digital scales, how was a weight measurement of accurate to .01g performed?	503	CoinNoob7
Why does decomposition of food in landfills differ from composting?	503	StarManSavant
Are quantum fields in any way similar to classical fields?	502	nompynuthead
Do we know anything about the patients which get COVID19 in spite of the vaccination?	502	mschweini
Is it true some prey taunt predators?	502	Ulforicks
How is a mosquito proboscis physically capable of puncturing human skin?	502	ForestManJ
What exactly determines how much sleep different animals need?	502	pupperonipizzapie
AskScience, are there any concrete studies on whether milk is good for us or not?	502	zombiejeff