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

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How is the electricity that your brain uses to transmit signals throughout your body generated?

150 upvotes

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The "face" of the moon is always visible because of tidal locking. Are there any other common examples of this phenomenon that might help a rube like me to understand it?

42 upvotes

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How do herbivores that consume the placenta and afterbirth digest or deal with eating that meat?

3 upvotes

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How do plants "know" which way the sun is facing?

2 upvotes

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Why doesn't bacteria in your intestines get absorbed into your bloodstream, yet eating uncooked or spoiled food can result in you getting really sick?

1 upvotes

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Were prehistoric animals more primitive (as in, less efficient/capable) than their modern counterparts?

1 upvotes

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Why do humans have a dominant hand whereas other animals like cats or bears don't appear to? In other words, what's the evolutionary advantage (if any) of having a dominant hand?

1 upvotes

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How real is the risk of Creutzfeld Jacob Disease ("Mad Cow") if I were to donate blood?

1 upvotes

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Scientists are currently interbreeding specific modern cattle in an attempt to bring back the ancient Aurochs. Setting aside the obvious ethical/legal/logistical problems, would it be theoretically possible to do something similar with Neanderthals or Denisovans?

1 upvotes

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How much larger would Jupiter need to be to turn into a star?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How is the electricity that your brain uses to transmit signals throughout your body generated?	150
The "face" of the moon is always visible because of tidal locking. Are there any other common examples of this phenomenon that might help a rube like me to understand it?	42
How do herbivores that consume the placenta and afterbirth digest or deal with eating that meat?	3
How do plants "know" which way the sun is facing?	2
Why doesn't bacteria in your intestines get absorbed into your bloodstream, yet eating uncooked or spoiled food can result in you getting really sick?	1
Were prehistoric animals more primitive (as in, less efficient/capable) than their modern counterparts?	1
Why do humans have a dominant hand whereas other animals like cats or bears don't appear to? In other words, what's the evolutionary advantage (if any) of having a dominant hand?	1
How real is the risk of Creutzfeld Jacob Disease ("Mad Cow") if I were to donate blood?	1
Scientists are currently interbreeding specific modern cattle in an attempt to bring back the ancient Aurochs. Setting aside the obvious ethical/legal/logistical problems, would it be theoretically possible to do something similar with Neanderthals or Denisovans?	1
How much larger would Jupiter need to be to turn into a star?	1