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

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When people talk about learning as being "Growing new connections" between neurons, is that a literal description with strands growing in real time and, if not, how does it all happen on a cellular level?

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What is the current "bleeding edge" on artificial lenses? How close are we to being able to restore 20/20 vision, or even surpassing natural lenses?

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How close are we to being able to answer "Why do we sleep?"

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In the absence of convection to provide oxygen, why is fire in a space craft such a major concern? Would the fire not "put itself out"?

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In the absence of convection to provide oxygen, why is fire in a space craft such a major concern? Would the fire not "put itself out"?

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How does current evidence reflect on Shettle's Method of Sexual Selection? Are there newer methods, besides pre-implantation screening, to influence the biological sex of a conceived child?

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How can Van Der Waal's forces be influenced or reduced?

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Very general question but: I've read many things on phytoestrogens recently and the whole area seems to be subject to a lot of bias, limited evidence and full of jargon. What effects, if any, have phytoestrogens been shown to have in humans?

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Can anyone answer a small number of Insect related questions for me?

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If you stuck a syringe in a butterfly cocoon and removed a portion, what would the result be?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When people talk about learning as being "Growing new connections" between neurons, is that a literal description with strands growing in real time and, if not, how does it all happen on a cellular level?	1
What is the current "bleeding edge" on artificial lenses? How close are we to being able to restore 20/20 vision, or even surpassing natural lenses?	1
How close are we to being able to answer "Why do we sleep?"	1
In the absence of convection to provide oxygen, why is fire in a space craft such a major concern? Would the fire not "put itself out"?	1
In the absence of convection to provide oxygen, why is fire in a space craft such a major concern? Would the fire not "put itself out"?	1
How does current evidence reflect on Shettle's Method of Sexual Selection? Are there newer methods, besides pre-implantation screening, to influence the biological sex of a conceived child?	1
How can Van Der Waal's forces be influenced or reduced?	1
Very general question but: I've read many things on phytoestrogens recently and the whole area seems to be subject to a lot of bias, limited evidence and full of jargon. What effects, if any, have phytoestrogens been shown to have in humans?	1
Can anyone answer a small number of Insect related questions for me?	1
If you stuck a syringe in a butterfly cocoon and removed a portion, what would the result be?	1