/u/d-Tubocurarine's posts

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

1 upvotes • 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?

1 upvotes • r/askscience

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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?

1 upvotes • r/askscience

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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?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
What was the evolutionary purpose of the mitral valve being bicuspid instead of tricuspid like all the other heart valves?	1	askscience
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	askscience
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	askscience
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	askscience