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

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Do woodpeckers have physiological adaptations that protect their brains from the repeated impact events as they peck?

2058 upvotes

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What is responsible for the common stylistic differences between male and female handwriting?

99 upvotes

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Are smaller-stature people comprised of fewer cells than larger people? If so, all else equal, does this translate into lower cancer rates?

92 upvotes

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Would eating boot leather actually provide sustenance?

70 upvotes

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When you pull a hair, does the bulb come out with the shaft? If so, how does it grow back?

54 upvotes

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The ITER fusion experiment is planned to be finished with assembly by 2021 but not start fusing until 2035. Why a 14 year gap?

37 upvotes

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Are there any examples of non-photocatalyzed Vitamin D biosynthetic pathways evolved from e.g. cave dwellers or nocturnal creatures?

11 upvotes

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What is the fastest possible Earth orbit achievable?

7 upvotes

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What is the state of the art of non-invasive brain scanning?

6 upvotes

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What lives in aquifers? How much exploration of has been done of partially-emptied or emptied aquifers?

5 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Do woodpeckers have physiological adaptations that protect their brains from the repeated impact events as they peck?	2058
What is responsible for the common stylistic differences between male and female handwriting?	99
Are smaller-stature people comprised of fewer cells than larger people? If so, all else equal, does this translate into lower cancer rates?	92
Would eating boot leather actually provide sustenance?	70
When you pull a hair, does the bulb come out with the shaft? If so, how does it grow back?	54
The ITER fusion experiment is planned to be finished with assembly by 2021 but not start fusing until 2035. Why a 14 year gap?	37
Are there any examples of non-photocatalyzed Vitamin D biosynthetic pathways evolved from e.g. cave dwellers or nocturnal creatures?	11
What is the fastest possible Earth orbit achievable?	7
What is the state of the art of non-invasive brain scanning?	6
What lives in aquifers? How much exploration of has been done of partially-emptied or emptied aquifers?	5