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

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How does a self-defrosting, or frostless freezer work?

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What was the selection pressure which lead to humans losing their first set of teeth in childhood, and then having them replaced?

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Assuming it could be done, what would be the consequences to a human female body, with a male brain transplanted into it, and vice versa?

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Does the brain have an upper limit of memory storage?

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Would an obese person tend to live longer than a person of normal weight if starved of food?

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Why is CO2 used in fire-extinguishers? I presume nitrogen would be safer, as CO2 has toxic effects. Isn't it as effective at displacing oxygen from a fire?

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Why does grief stimulate your tear-ducts, and make you cry?

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If you had a piece of a neutron star, such as Thor's hammer, taken out into standard Earth pressure and gravition, wouldn't it expand and drop in density until it reached a new equilibrium?

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Why do domestic refrigerators have a plastic tray in the bottom for vegetables?

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Could it ever be possible for a person on a swing to go over the top of the pivot?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How does a self-defrosting, or frostless freezer work?	1
What was the selection pressure which lead to humans losing their first set of teeth in childhood, and then having them replaced?	1
Assuming it could be done, what would be the consequences to a human female body, with a male brain transplanted into it, and vice versa?	1
Does the brain have an upper limit of memory storage?	1
Would an obese person tend to live longer than a person of normal weight if starved of food?	1
Why is CO2 used in fire-extinguishers? I presume nitrogen would be safer, as CO2 has toxic effects. Isn't it as effective at displacing oxygen from a fire?	1
Why does grief stimulate your tear-ducts, and make you cry?	1
If you had a piece of a neutron star, such as Thor's hammer, taken out into standard Earth pressure and gravition, wouldn't it expand and drop in density until it reached a new equilibrium?	1
Why do domestic refrigerators have a plastic tray in the bottom for vegetables?	1
Could it ever be possible for a person on a swing to go over the top of the pivot?	1