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

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What is the evolutionary purpose of Lactic Acid?

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Is it (theoretically) possible to move between dimensions, and if so what would experiences be like in the 2nd or 4th dimension?

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If air is ~75% nitrogen, why do scuba tanks and airplanes pump in oxygen?

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Why is it when you stare at something for a while, then quickly look at a clock, the second hand seems stationary for longer than usual?

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If the air we breathe is ~75% Nitrogen, why do we only bring Oxygen into airplanes or scuba tanks? Could we evolve to breathe Nitrogen in the future?

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Can microwaves interfere with WiFi?

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Could you see a desert from a plane during the night?

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Are ass-cheeks required for survival?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What is the evolutionary purpose of Lactic Acid?	1
Is it (theoretically) possible to move between dimensions, and if so what would experiences be like in the 2nd or 4th dimension?	1
If air is ~75% nitrogen, why do scuba tanks and airplanes pump in oxygen?	1
Why is it when you stare at something for a while, then quickly look at a clock, the second hand seems stationary for longer than usual?	1
If the air we breathe is ~75% Nitrogen, why do we only bring Oxygen into airplanes or scuba tanks? Could we evolve to breathe Nitrogen in the future?	1
Can microwaves interfere with WiFi?	1
Could you see a desert from a plane during the night?	1
Are ass-cheeks required for survival?	1