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

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Did any dinosaurs live in Japan?

327 upvotes

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If all the cells in our body are replaced in x number of years, why are tattoos able to persist?

4 upvotes

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What sort of emergency communication systems are in place for remote mountain towns in case of emergencies such as snowstorms or avalanches?

2 upvotes

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If I work on one of the lower floors of a high-rise building that's hit by a serious earthquake, am I better off making a break for the exit or getting under a standard metal cubicle desk?

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Why do our buttholes tighten when we think we may fall from some height?

1 upvotes

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Let's say a Mars-sized object is on a direct collision course with Earth. What do we experience, from our perspective, as it approaches?

0 upvotes

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I might be a superhero. What is the nature of the "recharge" we receive from sleep?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Did any dinosaurs live in Japan?	327
If all the cells in our body are replaced in x number of years, why are tattoos able to persist?	4
What sort of emergency communication systems are in place for remote mountain towns in case of emergencies such as snowstorms or avalanches?	2
If I work on one of the lower floors of a high-rise building that's hit by a serious earthquake, am I better off making a break for the exit or getting under a standard metal cubicle desk?	2
Why do our buttholes tighten when we think we may fall from some height?	1
Let's say a Mars-sized object is on a direct collision course with Earth. What do we experience, from our perspective, as it approaches?	0
I might be a superhero. What is the nature of the "recharge" we receive from sleep?	0