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

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Is the color of your teeth always indicative of the health of your teeth? Commercials imply that white teeth are healthy teeth, but I was under the impression that the natural color of teeth has a yellow tint?

734 upvotes

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Is it possible to get a scab inside your mouth? I bite my lip and cheek a lot, and draw blood, yet I never seem to get a scab. Any insight?

13 upvotes

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What was the advantage(or disadvantage) of early humanoids having a pronounced brow on their skulls?

1 upvotes

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Is it mathematically possible for entire universes to be held within the bigger black holes?

0 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is the color of your teeth always indicative of the health of your teeth? Commercials imply that white teeth are healthy teeth, but I was under the impression that the natural color of teeth has a yellow tint?	734
Is it possible to get a scab inside your mouth? I bite my lip and cheek a lot, and draw blood, yet I never seem to get a scab. Any insight?	13
What was the advantage(or disadvantage) of early humanoids having a pronounced brow on their skulls?	1
Is it mathematically possible for entire universes to be held within the bigger black holes?	0