askscience

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Assuming all the eyelets are used with the traditional method as well, how does heel lock lacing (runner's loop) actually create the extra stability it has over traditional lacing method?	24
What is the most primitive organism that makes either oxytocin, vasotocin, vasopressin or biochemical which serves the same function as those, and what does that compound do in that organism?	24
Other than the younger dryas impact hypothesis, what proof of other cataclysms such as a pole shift or a solar flare do we have that occured around the late pleistocene era?	10
Has there been a study on Y-Chromosome sperm count in relation to how much cortisol is in the male?	1
When a bullfrog is eating a hornet, does thr frog's mouth get stung as it is eating it?	1
When you flick a mosquito off of you while it is feeding, do the mouthpiece(s) stay lodged into your skin after? If yes, what happens to the mouthpiece(s) after? Also, can a mosquito regenerate it's mouthpieces if it has been displaced in this manner?	1
From what we know (not speculating about the undiscovered), which 4 organisms can be named as the primitive animals which use either serotonin, oxytocin, dopamine, or endorphins?	1
When predators eat their prey's whole body (ie. crocodiles eating tortoises, cats eating mice, sharks, etc...) how do they digest the prey's guts which contain feces/typhoid/bacterium/parasites without becoming ill?	1
Not being able to feed your young seems like a sure fire way to be unsuccessful at passing on your genes. Why was evolution not able to select away mothers who do not lactate out of the gene pool?	1
Why does the Evian sold in the U.K. contain more nitrates in it that the Evian sold in Canada?	1

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