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

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In Canada, I often see train cars carrying "hot molten sulphur". Why is it transported in liquid form instead of solid?

919 upvotes

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How much genetic diversity is there in the sperm from a single donor?

285 upvotes

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Are there any non-mammalian species that masturbate, or is it a mammal-only thing?

168 upvotes

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If the Earth were moved into intergalactic space, how long would it take until the Earth's core was less than twice the CMB temperature?

136 upvotes

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If the amyloid beta protein in existing Alzheimer's patients was destroyed, would they recover their memories or are their memories already permanently gone?

44 upvotes

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Is there any electric potential difference between the planets? E.g., if Earth is ground, is Mars at 5 volts? If so, how is it measured?

44 upvotes

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The Earth's surface area has roughly a 2:1 ocean to land ratio. What is the ratio of ocean biomass to land biomass? (or even ocean biomass:land biomass: atmospheric biomass)

36 upvotes

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How much energy is in Sandy from a perspective of rotational momentum?

31 upvotes

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What kind of digital memory is used in high radiation areas (e.g., in orbit around Jupiter)? What is the expected lifetime of data integrity of these devices?

24 upvotes

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What causes this ocean feature between South America and Antarctica?

21 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
In Canada, I often see train cars carrying "hot molten sulphur". Why is it transported in liquid form instead of solid?	919
How much genetic diversity is there in the sperm from a single donor?	285
Are there any non-mammalian species that masturbate, or is it a mammal-only thing?	168
If the Earth were moved into intergalactic space, how long would it take until the Earth's core was less than twice the CMB temperature?	136
If the amyloid beta protein in existing Alzheimer's patients was destroyed, would they recover their memories or are their memories already permanently gone?	44
Is there any electric potential difference between the planets? E.g., if Earth is ground, is Mars at 5 volts? If so, how is it measured?	44
The Earth's surface area has roughly a 2:1 ocean to land ratio. What is the ratio of ocean biomass to land biomass? (or even ocean biomass:land biomass: atmospheric biomass)	36
How much energy is in Sandy from a perspective of rotational momentum?	31
What kind of digital memory is used in high radiation areas (e.g., in orbit around Jupiter)? What is the expected lifetime of data integrity of these devices?	24
What causes this ocean feature between South America and Antarctica?	21