/u/geak78's posts in /r/askscience

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What is the most distant star/galaxy that is blue-shifted or not shifted? How fast is it moving towards us to overcome space expansion?

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Warming oceans are lowering dissolved oxygen in the midlatitudes. What is protecting the Atlantic Ocean from this? Is it simply mitigating a decrease in atmospheric oxygen? If so, how long before the drop in the atmosphere impacts humans?

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Is there a biological advantage to separating solid and liquid waste? Or is it simply due to the digestive tract and circulatory system evolving separately?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What is the most distant star/galaxy that is blue-shifted or not shifted? How fast is it moving towards us to overcome space expansion?	1
Warming oceans are lowering dissolved oxygen in the midlatitudes. What is protecting the Atlantic Ocean from this? Is it simply mitigating a decrease in atmospheric oxygen? If so, how long before the drop in the atmosphere impacts humans?	1
Is there a biological advantage to separating solid and liquid waste? Or is it simply due to the digestive tract and circulatory system evolving separately?	1