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

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Has the speed of sound ever been surpassed underwater? What would an underwater sonic boom be like?

2161 upvotes

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Why have we evolved the ability to smell very specific chemicals we would never have been exposed to during our evolution?

65 upvotes

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Did human evolution take place in an area with natural fluoride concentrations of ~0.8 mg/L, which seems to be ideal for our health?

1 upvotes

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What are the practical barriers to creating a 'ternary' computer?

1 upvotes

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What is it about red meat that makes it less healthy than non-red meat?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Has the speed of sound ever been surpassed underwater? What would an underwater sonic boom be like?	2161
Why have we evolved the ability to smell very specific chemicals we would never have been exposed to during our evolution?	65
Did human evolution take place in an area with natural fluoride concentrations of ~0.8 mg/L, which seems to be ideal for our health?	1
What are the practical barriers to creating a 'ternary' computer?	1
What is it about red meat that makes it less healthy than non-red meat?	1