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

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Is the strength of the sun's rays directly dependent on how high it is in the sky, independent of the season?

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Could someone survive by eating only cooked, non-toxic bacteria?

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How much food (by weight) is sitting in the average person's digestive tract at any given time?

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If a human living far enough away from the equator supposedly cannot expose themselves to enough sunlight during certain months of the winter to sufficiently synthesize vitamin D naturally, how is it that they can still get a sunburn during those winter months?

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During exercise, how much mass is lost through actual heat coming off the body?

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How would human blood flow and other non-skeletal challenges be different on a planet with twice Earth's gravity?

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If radio waves from cell phones do turn out to be harmful at all, even though they are not ionizing radiation, aren't the huge signals from the cell towers etc more of a concern than our puny phones?

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Is the DNA a sperm delivers to the egg the same DNA that is having its genes expressed in the sperm cell itself, or is the packaged DNA separate?

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Does fat I ate years ago and stored on my body ever get replaced if I remain the same weight or gain weight?

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Why are humans innately disgusted by so many things that other animals are fine with?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is the strength of the sun's rays directly dependent on how high it is in the sky, independent of the season?	1
Could someone survive by eating only cooked, non-toxic bacteria?	1
How much food (by weight) is sitting in the average person's digestive tract at any given time?	1
If a human living far enough away from the equator supposedly cannot expose themselves to enough sunlight during certain months of the winter to sufficiently synthesize vitamin D naturally, how is it that they can still get a sunburn during those winter months?	1
During exercise, how much mass is lost through actual heat coming off the body?	1
How would human blood flow and other non-skeletal challenges be different on a planet with twice Earth's gravity?	1
If radio waves from cell phones do turn out to be harmful at all, even though they are not ionizing radiation, aren't the huge signals from the cell towers etc more of a concern than our puny phones?	1
Is the DNA a sperm delivers to the egg the same DNA that is having its genes expressed in the sperm cell itself, or is the packaged DNA separate?	1
Does fat I ate years ago and stored on my body ever get replaced if I remain the same weight or gain weight?	1
Why are humans innately disgusted by so many things that other animals are fine with?	1