/r/askscience

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When you feel "full" or "satisfied" after a meal, is this due to the quantity of food eaten or the energy/nutritional value the meal gave?

5802 upvotes • Big_Sem

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Why does the immune system become more compromised the older we become?

5801 upvotes • odd_lens

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What effects would a projectile on Earth fired with near the speed of light cause?

5799 upvotes • Csillagfityma

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How big dogs have much shorter lifespans than smaller dogs, is it the same for humans? Say a 6' 7" inch man vs a 5' 5" man?

5792 upvotes • Quinfluenza

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If space is expanding, are more units of space being made, or are they getting "bigger"?

5791 upvotes • sarapsys

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Vaginas contain lactobacillus, which are needed for healthy digestion. Do we know if performing oral sex in one can have health beneficts?

5789 upvotes • UndercoverDoll49

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How fast do liquids flow from the stomach into the small intestine?

5789 upvotes • bmarcus128

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Why does sticking your fingers back your throat trigger your gag reflex, but swallowing food doesn't?

5786 upvotes • Leadhead1311

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Why aren't there any orbitals after s, p, d and f?

5777 upvotes • wolfgertripathi

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Is there any proof that foods grown with organic pesticides are "healthier" to consume than regular non-organic pesticides?

5775 upvotes • 0neStrangeRock

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
When you feel "full" or "satisfied" after a meal, is this due to the quantity of food eaten or the energy/nutritional value the meal gave?	5802	Big_Sem
Why does the immune system become more compromised the older we become?	5801	odd_lens
What effects would a projectile on Earth fired with near the speed of light cause?	5799	Csillagfityma
How big dogs have much shorter lifespans than smaller dogs, is it the same for humans? Say a 6' 7" inch man vs a 5' 5" man?	5792	Quinfluenza
If space is expanding, are more units of space being made, or are they getting "bigger"?	5791	sarapsys
Vaginas contain lactobacillus, which are needed for healthy digestion. Do we know if performing oral sex in one can have health beneficts?	5789	UndercoverDoll49
How fast do liquids flow from the stomach into the small intestine?	5789	bmarcus128
Why does sticking your fingers back your throat trigger your gag reflex, but swallowing food doesn't?	5786	Leadhead1311
Why aren't there any orbitals after s, p, d and f?	5777	wolfgertripathi
Is there any proof that foods grown with organic pesticides are "healthier" to consume than regular non-organic pesticides?	5775	0neStrangeRock