/u/d-Tubocurarine's posts in /r/askscience

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Why is it that conditions that affect the adaptive immune system (AIDS or SCID) have such a devastating effect on us, while invertebrates, which don't have an adaptive immune system to begin with, live and survive just fine?

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What was the evolutionary purpose of the mitral valve being bicuspid instead of tricuspid like all the other heart valves?

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When you eat salt (NaCl), is the salty taste you perceive caused more by sodium or by chloride?

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If you had both kidneys removed, what specifically would you die from first?

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How long could a liver survive if it kept getting transplanted into a new younger body right before the previous owner dies?

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If red+green light and green+blue light combine to make colors in between them on the spectrum, why don’t red and blue light combine to make green?

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How are we able to tell that the current climate change is man-made as opposed to part of the natural cycles of the Earth’s climate?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why is it that conditions that affect the adaptive immune system (AIDS or SCID) have such a devastating effect on us, while invertebrates, which don't have an adaptive immune system to begin with, live and survive just fine?	1
What was the evolutionary purpose of the mitral valve being bicuspid instead of tricuspid like all the other heart valves?	1
When you eat salt (NaCl), is the salty taste you perceive caused more by sodium or by chloride?	1
If you had both kidneys removed, what specifically would you die from first?	1
How long could a liver survive if it kept getting transplanted into a new younger body right before the previous owner dies?	1
If red+green light and green+blue light combine to make colors in between them on the spectrum, why don’t red and blue light combine to make green?	1
How are we able to tell that the current climate change is man-made as opposed to part of the natural cycles of the Earth’s climate?	1