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

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Does penis size come from your mother’s side?

11108 upvotes

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Why does a firefly light up? Is it a defense mechanism?

6342 upvotes

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Why do rarely used muscles shake after using them?

1796 upvotes

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How does a human lung remove inhaled dust and other small foreign objects?

462 upvotes

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Why does it sometimes foam up in the toilet when you urinate like a head on a draft beer?

124 upvotes

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Why is processed sugar bad for you if your body breaks down food into sugars cells use to power your body?

46 upvotes

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What causes one to vomit during/after strenuous exercise?

26 upvotes

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Is it possible to keep a cell phone charged longer by using stray electromagnetic energy and a broadband antenna?

16 upvotes

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Is there any proof that a large asteroid caused the Earth to tilt 23.4° or has the earth always had this tilt?

7 upvotes

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Scientists, what software tools do you use everyday to solve engineering and mathematical problems?

3 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Does penis size come from your mother’s side?	11108
Why does a firefly light up? Is it a defense mechanism?	6342
Why do rarely used muscles shake after using them?	1796
How does a human lung remove inhaled dust and other small foreign objects?	462
Why does it sometimes foam up in the toilet when you urinate like a head on a draft beer?	124
Why is processed sugar bad for you if your body breaks down food into sugars cells use to power your body?	46
What causes one to vomit during/after strenuous exercise?	26
Is it possible to keep a cell phone charged longer by using stray electromagnetic energy and a broadband antenna?	16
Is there any proof that a large asteroid caused the Earth to tilt 23.4° or has the earth always had this tilt?	7
Scientists, what software tools do you use everyday to solve engineering and mathematical problems?	3