/u/[deleted]'s posts in /r/askscience

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Is it possible to ''reactivate'' inactive genes?

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If you use a power tool in a vacuum, where does the extra energy that would usually be expelled as sound go?

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Why can we effectively fight off bacteria but it seems like modern medicine can't help at all against viruses. Why are we still helpless against viruses?

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How far would the electricity spread if I threw a plugged-in toaster into the ocean?

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Is there any net difference in the way my body handles 1000 calories in one sitting vs. 1000 calories over the course of a day?

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How long will it be until the land around the Chernobyl disaster will be viable for repopulation?

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[Astronomy] If there were once water on Mars, why isn't there now? What happened to it?

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How do scientists know that people evolved the ability to digest animal milk recently?

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Domesticated animals of varying species seem to have little problem bonding, hanging out, forming friendships, etc. Does this occur between different species of animal in the wild? Do herds exist that consist of multiple species of animal, like lions with cheetahs, or antelope with water-buffalo?

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Why does the image displayed on some screens become negative when viewed from a certain (extreme) angle?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is it possible to ''reactivate'' inactive genes?	77
If you use a power tool in a vacuum, where does the extra energy that would usually be expelled as sound go?	77
Why can we effectively fight off bacteria but it seems like modern medicine can't help at all against viruses. Why are we still helpless against viruses?	77
How far would the electricity spread if I threw a plugged-in toaster into the ocean?	77
Is there any net difference in the way my body handles 1000 calories in one sitting vs. 1000 calories over the course of a day?	77
How long will it be until the land around the Chernobyl disaster will be viable for repopulation?	76
[Astronomy] If there were once water on Mars, why isn't there now? What happened to it?	76
How do scientists know that people evolved the ability to digest animal milk recently?	76
Domesticated animals of varying species seem to have little problem bonding, hanging out, forming friendships, etc. Does this occur between different species of animal in the wild? Do herds exist that consist of multiple species of animal, like lions with cheetahs, or antelope with water-buffalo?	76
Why does the image displayed on some screens become negative when viewed from a certain (extreme) angle?	76