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

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Could a human survive if cleansed completely free of bacteria, viruses, and other parasites and diseases and then he lived in a clean environment? How would his life be impacted?

48 upvotes

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Why does the meat of animals that live in the water (i.e. seafood) spoil faster than the meat of land animals?

42 upvotes

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What would the original domesticated dog have looked like in terms of modern breeds?

15 upvotes

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Do dead human bodies actually have a stronger smell than any other type of animal carcass? Or have I been reading too many fantasy and mystery novels?

12 upvotes

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As I understand it, tasting sour is detecting acid, and tasting bitter is detecting base. How is it possible that some drinks and foods seem to taste both sour and bitter?

7 upvotes

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Why is it when animals like bears store up fat they can so without harm but for humans storing up a lot of fat causes a huge variety of health problems?

4 upvotes

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In all cultures around the world, is missionary position considered the "basic" or "default" position? Are there other animals that are known to have sex in more than one position?

2 upvotes

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How do pets get fleas from going outside? Are the fleas just hanging around waiting for a host to come by, or is it from the pet's interaction with other hosts?

1 upvotes

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Is there any legitimate reason to get a new toothbrush when the old toothbrush still appears to be performing perfectly?

1 upvotes

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You hear about many species that only lay their eggs where they themselves hatched (salmon, sea turtles, etc.). How do these species spread to colonize more places?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Could a human survive if cleansed completely free of bacteria, viruses, and other parasites and diseases and then he lived in a clean environment? How would his life be impacted?	48
Why does the meat of animals that live in the water (i.e. seafood) spoil faster than the meat of land animals?	42
What would the original domesticated dog have looked like in terms of modern breeds?	15
Do dead human bodies actually have a stronger smell than any other type of animal carcass? Or have I been reading too many fantasy and mystery novels?	12
As I understand it, tasting sour is detecting acid, and tasting bitter is detecting base. How is it possible that some drinks and foods seem to taste both sour and bitter?	7
Why is it when animals like bears store up fat they can so without harm but for humans storing up a lot of fat causes a huge variety of health problems?	4
In all cultures around the world, is missionary position considered the "basic" or "default" position? Are there other animals that are known to have sex in more than one position?	2
How do pets get fleas from going outside? Are the fleas just hanging around waiting for a host to come by, or is it from the pet's interaction with other hosts?	1
Is there any legitimate reason to get a new toothbrush when the old toothbrush still appears to be performing perfectly?	1
You hear about many species that only lay their eggs where they themselves hatched (salmon, sea turtles, etc.). How do these species spread to colonize more places?	1