/r/askscience

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Do identical twins need to take immunosuppressants if an organ transplantation happens between them?

3216 upvotes • Bionic404

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Is it true that even if Antarctica were to melt it wouldn't cause flooding due to water displacement?

3215 upvotes • iSh0tYou99

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Does multi-verse theory allow for variation in the laws of physics or must the laws of physics be constant across all universes?

3215 upvotes • Infiltrator41

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Does dark energy actually exert a force? Is it actually energy?

3215 upvotes • saramiie

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Why does the speed of light being constant for all observers imply spacetime is non-Euclidean?

3215 upvotes • millenniumpianist

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Curiosity found methane and water on Mars. How are we ensuring that Curosity and similar projects are not introducing habitat destroying invasive species my accident?

3213 upvotes • El-Coqui

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Why are deep sea fishs "uglier" and less symmetrical then their higher sea counterparts?

3212 upvotes • greatsawyer

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How do we know what the magnitude of earthquakes was before the Richter scale was a thing?

3212 upvotes • bestem

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AskScienceAMASeries: Hi Reddit! We’re NOAA scientists Jamison Smith and Ed Lyman. In celebration of #WhaleWeek and World Whale Day on Saturday, February 18, we’re here to talk about the whales we protect and the entanglement response teams that risk their safety to rescue them. Ask us anything!

3210 upvotes • NOAAgov

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Is there any underlying reason we say protons are positive and electrons are negative? Would it work if we just switched both in all our equations?

3210 upvotes • NewtonsFourth

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Do identical twins need to take immunosuppressants if an organ transplantation happens between them?	3216	Bionic404
Is it true that even if Antarctica were to melt it wouldn't cause flooding due to water displacement?	3215	iSh0tYou99
Does multi-verse theory allow for variation in the laws of physics or must the laws of physics be constant across all universes?	3215	Infiltrator41
Does dark energy actually exert a force? Is it actually energy?	3215	saramiie
Why does the speed of light being constant for all observers imply spacetime is non-Euclidean?	3215	millenniumpianist
Curiosity found methane and water on Mars. How are we ensuring that Curosity and similar projects are not introducing habitat destroying invasive species my accident?	3213	El-Coqui
Why are deep sea fishs "uglier" and less symmetrical then their higher sea counterparts?	3212	greatsawyer
How do we know what the magnitude of earthquakes was before the Richter scale was a thing?	3212	bestem
AskScienceAMASeries: Hi Reddit! We’re NOAA scientists Jamison Smith and Ed Lyman. In celebration of #WhaleWeek and World Whale Day on Saturday, February 18, we’re here to talk about the whales we protect and the entanglement response teams that risk their safety to rescue them. Ask us anything!	3210	NOAAgov
Is there any underlying reason we say protons are positive and electrons are negative? Would it work if we just switched both in all our equations?	3210	NewtonsFourth