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

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Organic chemistry and organic chemicals both essentially involve the study of carbon. While carbon is certainly a requirement for life as we know it, why do we refer to its study as 'organic' when many 'organic compounds' like methane have no bearing on the layman definition of 'organic'?

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Why does the body have such a severe reaction to insect bites? Fleas inject nearly negligible amounts of saliva but leave bites that itch for days.

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When the earth's magnetic pole reverses, how gradual is the shift? What is happening in the core to cause it?

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Human eyes are different from most animals in the sense that we have a very small iris / a lot of sclera. Why?

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How energy-efficient is the human body?

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If I lose a substantial amount of blood, does this affect how efficiently I digest food?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Organic chemistry and organic chemicals both essentially involve the study of carbon. While carbon is certainly a requirement for life as we know it, why do we refer to its study as 'organic' when many 'organic compounds' like methane have no bearing on the layman definition of 'organic'?	1
Why does the body have such a severe reaction to insect bites? Fleas inject nearly negligible amounts of saliva but leave bites that itch for days.	1
When the earth's magnetic pole reverses, how gradual is the shift? What is happening in the core to cause it?	1
Human eyes are different from most animals in the sense that we have a very small iris / a lot of sclera. Why?	1
How energy-efficient is the human body?	1
If I lose a substantial amount of blood, does this affect how efficiently I digest food?	1