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

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In cultures where people file their teeth, are there higher rates of tooth decay due to removed enamel?

224 upvotes

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Are humans instinctually inclined to forming dominance hierarchies?

81 upvotes

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Homo sapiens' nearest relatives live in hierarchical bands, but hunter-gatherer bands are egalitarian. Most agricultural societies are hierarchical. Was the reemergence of hierarchy cultural or did farming allow for the reappearance of previously culturally supressed hierarchical instincts?

9 upvotes

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Was the Indo-Gangetic plain covered by tropical rainforest before human activity?

6 upvotes

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Before the invention of wooden/leather/hollow gourd canteens - how did hominids drink water? Would they visit a watering hole and just drink a gallon of water at once for the entire day?

5 upvotes

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Why does evolutionary niche specialization occur when generalist organism always to seem to do better in novel environments and after extinction events? What advantage does specialization offer?

3 upvotes

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If in most processes some energy is lost as heat, does that mean that heaters are nearly 100% efficient?

3 upvotes

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Are there any indications or credible hypotheses of there being more time dimensions than one?

1 upvotes

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According to Wikipedia, the double-slit-experiment-with-detectors-at-the-slits I've seen described in numerous videos/internet comments is a thought experiment and has never been performed. Is there any actual evidence that in such a scenario the interference pattern wouldn't actually form?

1 upvotes

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Has there ever been any attempts to design or build a spaceship capable of maneuvering freely in space as opposed to just rockets?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
In cultures where people file their teeth, are there higher rates of tooth decay due to removed enamel?	224
Are humans instinctually inclined to forming dominance hierarchies?	81
Homo sapiens' nearest relatives live in hierarchical bands, but hunter-gatherer bands are egalitarian. Most agricultural societies are hierarchical. Was the reemergence of hierarchy cultural or did farming allow for the reappearance of previously culturally supressed hierarchical instincts?	9
Was the Indo-Gangetic plain covered by tropical rainforest before human activity?	6
Before the invention of wooden/leather/hollow gourd canteens - how did hominids drink water? Would they visit a watering hole and just drink a gallon of water at once for the entire day?	5
Why does evolutionary niche specialization occur when generalist organism always to seem to do better in novel environments and after extinction events? What advantage does specialization offer?	3
If in most processes some energy is lost as heat, does that mean that heaters are nearly 100% efficient?	3
Are there any indications or credible hypotheses of there being more time dimensions than one?	1
According to Wikipedia, the double-slit-experiment-with-detectors-at-the-slits I've seen described in numerous videos/internet comments is a thought experiment and has never been performed. Is there any actual evidence that in such a scenario the interference pattern wouldn't actually form?	1
Has there ever been any attempts to design or build a spaceship capable of maneuvering freely in space as opposed to just rockets?	1