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

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What is the minimum number of individuals required to establish a long-term viable population?

2737 upvotes

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How would the cosmos/physics change if space suddenly stopped expanding?

1766 upvotes

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Why are so many people with eyesight problems today?

5 upvotes

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They say every cell in your body is replaced every 7 years. How does this work with transplants?

1 upvotes

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What is the optimal speed to drive over a speed bump?

1 upvotes

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What's the temperature at the center of a black hole?

1 upvotes

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If somehow, your cells magically no longer had telomere fraying (every division results in two perfect genetic copies of the original cell), would you stop aging? If not, what would happen instead?

1 upvotes

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How likely is intelligent life to evolve? If you replaced our earth today with the primordial one, how long would it take for intelligent life to evolve?

1 upvotes

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As the universe expands, the potential energy between masses increase. If conservation of energy were true, the universe would have to stop expanding at some point. Is my logic sound?

1 upvotes

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What is space? It has no mass or energy and yet there is more of it in the universe each second.

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What is the minimum number of individuals required to establish a long-term viable population?	2737
How would the cosmos/physics change if space suddenly stopped expanding?	1766
Why are so many people with eyesight problems today?	5
They say every cell in your body is replaced every 7 years. How does this work with transplants?	1
What is the optimal speed to drive over a speed bump?	1
What's the temperature at the center of a black hole?	1
If somehow, your cells magically no longer had telomere fraying (every division results in two perfect genetic copies of the original cell), would you stop aging? If not, what would happen instead?	1
How likely is intelligent life to evolve? If you replaced our earth today with the primordial one, how long would it take for intelligent life to evolve?	1
As the universe expands, the potential energy between masses increase. If conservation of energy were true, the universe would have to stop expanding at some point. Is my logic sound?	1
What is space? It has no mass or energy and yet there is more of it in the universe each second.	1