/u/whoami4546's posts in /r/askscience

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When did the first male / female ancestor appear in the history of life?

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In the wild is there a general ratio between predator population size and its preys population size?

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I need help understanding a part of evelution.

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Can the principles of science be applied to make moral choices?

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For orgains and tissue that come in pairs (lungs or eyes), Is there a set of dna for each or does a group of dna control both?

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Can you calculate the maximum weight that can be Buoyant in a given body of water?

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Can two people who are HIV positive have unprotected sexual intercourse with no negative repercussions?

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If space time can be curved, What are the odds that there is huge holes in space time that we can not perceive or simply just go around?

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Are emotions a possible requirement for an organism to have human level intelligence?

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What controls the intensity that we perceive pleasure or pain either from a physical or mental source?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When did the first male / female ancestor appear in the history of life?	3
In the wild is there a general ratio between predator population size and its preys population size?	3
I need help understanding a part of evelution.	3
Can the principles of science be applied to make moral choices?	3
For orgains and tissue that come in pairs (lungs or eyes), Is there a set of dna for each or does a group of dna control both?	2
Can you calculate the maximum weight that can be Buoyant in a given body of water?	2
Can two people who are HIV positive have unprotected sexual intercourse with no negative repercussions?	2
If space time can be curved, What are the odds that there is huge holes in space time that we can not perceive or simply just go around?	2
Are emotions a possible requirement for an organism to have human level intelligence?	2
What controls the intensity that we perceive pleasure or pain either from a physical or mental source?	2