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

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If a helicopter were to spin it's rotor in space, would the blade and helicopter spin in opposite directions at equal speeds, or what?

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Do exoskeletons wear away after a while?

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As there is a lower limit to heat (0K), is there an upper limit?

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Are there any animals that train themselves to get better at things on purpose?

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What is the cause of decreased oestrogen production leading to menopause?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If a helicopter were to spin it's rotor in space, would the blade and helicopter spin in opposite directions at equal speeds, or what?	2
Do exoskeletons wear away after a while?	2
As there is a lower limit to heat (0K), is there an upper limit?	1
Are there any animals that train themselves to get better at things on purpose?	1
What is the cause of decreased oestrogen production leading to menopause?	1