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

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If humans were to move to a planet where the days were, for example, 72 hours long and the nights the same, could the human body adapt to a sleep/wake cycle of that length?

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Is there any way to determine the original colours in a black and white photo, based on the different shades of grey?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If humans were to move to a planet where the days were, for example, 72 hours long and the nights the same, could the human body adapt to a sleep/wake cycle of that length?	1
Is there any way to determine the original colours in a black and white photo, based on the different shades of grey?	1