/r/askscience

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Why do viruses mostly affect only one species?

5573 upvotes • VictorVenema

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Do primates have mental disorders like humans?

5572 upvotes • srewoByesaC

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Why do people say that when light passes through another object, like glass or water, it slows down and continues at a different angle, but scientists say light always moves at a constant speed no matter what?

5572 upvotes • DrPotatoEsquire

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Since the placebo effect is a thing, is the reverse possible too?

5563 upvotes • MadMax2910

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Is there any dry land on Earth composed of oceanic crust?

5561 upvotes • hdk759

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How does sunscreen stop you from getting burnt?

5559 upvotes • L-Bread

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During timeperiods with more oxygen in the atmosphere, did fires burn faster/hotter?

5558 upvotes • ShivaEqualOfHeaven

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How do scientists actually know what material the Earth's core is made out of?

5558 upvotes • Lunhala

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As the ISS grew over time, it’s center of mass must have changed location. How did their thrusters change their behavior or were they literally moved to a new location?

5554 upvotes • stoneymunson

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Could a black hole get 'clogged' or 'bottlenecked' by something sufficiently massive collapsing 'all at once'?

5552 upvotes • 1afteryouplease

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Why do viruses mostly affect only one species?	5573	VictorVenema
Do primates have mental disorders like humans?	5572	srewoByesaC
Why do people say that when light passes through another object, like glass or water, it slows down and continues at a different angle, but scientists say light always moves at a constant speed no matter what?	5572	DrPotatoEsquire
Since the placebo effect is a thing, is the reverse possible too?	5563	MadMax2910
Is there any dry land on Earth composed of oceanic crust?	5561	hdk759
How does sunscreen stop you from getting burnt?	5559	L-Bread
During timeperiods with more oxygen in the atmosphere, did fires burn faster/hotter?	5558	ShivaEqualOfHeaven
How do scientists actually know what material the Earth's core is made out of?	5558	Lunhala
As the ISS grew over time, it’s center of mass must have changed location. How did their thrusters change their behavior or were they literally moved to a new location?	5554	stoneymunson
Could a black hole get 'clogged' or 'bottlenecked' by something sufficiently massive collapsing 'all at once'?	5552	1afteryouplease