/u/internetboyfriend666's posts in /r/askscience

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Why do EKGs require 12 leads, and why are they placed where they are?

92 upvotes

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How does our immune system "know" not to attack our gut flora?

27 upvotes

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How/why did life develop with exclusively left-handed amino acids and right-handed sugars?

4 upvotes

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What species of animals are known to regularly adopt offspring other than their own?

2 upvotes

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Why is most household AC current around the world either 50hz or 60hz?

1 upvotes

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Is it possible for a mammal to use hemocyanin instead of hemoglobin as an oxygen transport molecule?

1 upvotes

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Is it feasible to continually develop new antibiotics to combat drug resistance?

1 upvotes

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In genetic chimeras, how does the second cell line affect the "primary" individual?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why do EKGs require 12 leads, and why are they placed where they are?	92
How does our immune system "know" not to attack our gut flora?	27
How/why did life develop with exclusively left-handed amino acids and right-handed sugars?	4
What species of animals are known to regularly adopt offspring other than their own?	2
Why is most household AC current around the world either 50hz or 60hz?	1
Is it possible for a mammal to use hemocyanin instead of hemoglobin as an oxygen transport molecule?	1
Is it feasible to continually develop new antibiotics to combat drug resistance?	1
In genetic chimeras, how does the second cell line affect the "primary" individual?	1