/u/mikes2123's posts in /r/askscience

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On Earth, we have time zones. How is time determined in space?

4036 upvotes

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Can you donate your blood once you're dead much like you can your organs--or can it not be used?

24 upvotes

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If water is made up of 2 Hydrogen atoms attached to an Oxygen atom, then what additional property makes hot water hot and cold water cold?

1 upvotes

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Is it possible for a post-menopausal woman to obtain and sustain a pregnancy through a medicated IVF cycle?

1 upvotes

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What, from a scientific perspective, is “fresh air”? Is it scientifically different from air in a room with an AC unit?

1 upvotes

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If a brother and sister from one family marry a brother and sister from another family, and each couple has a child, would each of the children’s 23 and me (or similar service) report look exactly the same?

1 upvotes

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Is food equally processed by the human body?

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Why does that first stretch in the morning feel so good?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
On Earth, we have time zones. How is time determined in space?	4036
Can you donate your blood once you're dead much like you can your organs--or can it not be used?	24
If water is made up of 2 Hydrogen atoms attached to an Oxygen atom, then what additional property makes hot water hot and cold water cold?	1
Is it possible for a post-menopausal woman to obtain and sustain a pregnancy through a medicated IVF cycle?	1
What, from a scientific perspective, is “fresh air”? Is it scientifically different from air in a room with an AC unit?	1
If a brother and sister from one family marry a brother and sister from another family, and each couple has a child, would each of the children’s 23 and me (or similar service) report look exactly the same?	1
Is food equally processed by the human body?	1
Why does that first stretch in the morning feel so good?	1