/r/askscience

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If a human is limping, are animals able to tell the human is injured?

2839 upvotes • [deleted]

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Do the pupils of heterochromic people contract and retract at different rates? Does eye color affect the speed at which your pupils contract/retract?

2838 upvotes • PikaMasterWasTaken

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How much work does it take to send a packet across the internet?

2833 upvotes • aggasalk

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How bright would Andromeda be if it were a quasar?

2833 upvotes • 1337h4x0rz69

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Is it possible that a mountain taller than the everest existed in Pangaea or even before?

2832 upvotes • FedexCraft

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Why isn't the bottom of the ocean 4°C?

2831 upvotes • NWQ-admin

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What color is the dress? Why do some people see blue and black and some people see gold and white when looking at a single image of a dress?

2831 upvotes • AskScienceModerator

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Is there any evidence that dogs behave differently around human infants compared to around human adults?

2831 upvotes • Judgment_Reversed

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Why do things smell? Can smell be measured?

2831 upvotes • doublebassed

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When we "lose" fat, where does the fat really go?

2829 upvotes • oTHEDOMINATORo

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
If a human is limping, are animals able to tell the human is injured?	2839	[deleted]
Do the pupils of heterochromic people contract and retract at different rates? Does eye color affect the speed at which your pupils contract/retract?	2838	PikaMasterWasTaken
How much work does it take to send a packet across the internet?	2833	aggasalk
How bright would Andromeda be if it were a quasar?	2833	1337h4x0rz69
Is it possible that a mountain taller than the everest existed in Pangaea or even before?	2832	FedexCraft
Why isn't the bottom of the ocean 4°C?	2831	NWQ-admin
What color is the dress? Why do some people see blue and black and some people see gold and white when looking at a single image of a dress?	2831	AskScienceModerator
Is there any evidence that dogs behave differently around human infants compared to around human adults?	2831	Judgment_Reversed
Why do things smell? Can smell be measured?	2831	doublebassed
When we "lose" fat, where does the fat really go?	2829	oTHEDOMINATORo