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

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Did humans evolve sapience due to having opposable thumbs or evolve opposable thumbs due to sapience?

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Could you live without drinking water but getting it from food alone? If not, how long would you be able to survive?

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Is iron in food literally elemental iron? How is it processed in the body, from ingestion to usage?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Did humans evolve sapience due to having opposable thumbs or evolve opposable thumbs due to sapience?	1
Could you live without drinking water but getting it from food alone? If not, how long would you be able to survive?	1
Is iron in food literally elemental iron? How is it processed in the body, from ingestion to usage?	0