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AskScience AMA Series: I'm Karestan Koenen, a licensed clinical psychologist, author, and professor at Harvard where my lab focuses on research and training around trauma and mental health both in the US and globally. AMA about childhood trauma and the effect it can have on our mental health!

1913 upvotes • AskScienceModerator

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[Is It Possible to Magnetize Dirt, Wood, or Other NONMAGNETIC Materials?]

1912 upvotes • EnderQuakePlayz

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If energy cannot be created or destroyed, how come the universe is expanding at an accelerating rate? Where does the energy for this expansion come from?

1910 upvotes • CrimsonAshes28

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There have been a few recent studies coming out that have claimed/proven that medium-to-long-term periods of sitting causes serious damage to one's health. How does this happen? What sort of damage is it? Is there less damage by simply laying down instead of sitting? Is it reversible?

1910 upvotes • greenday5494

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What's the difference between a slug, a sea slug, and a nudibranch?

1909 upvotes • Xierrax

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When a photon is created, does it accelerate to c or does it instantly reach it?

1907 upvotes • theonewhoknock_s

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Is there a limit to how acidic (or basic) something can be?

1907 upvotes • 42sn0wstic

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Is there anything interesting in our solar system that is outside of the ecliptic?

1906 upvotes • cbrian13

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Are there people with down syndrome who are of average intelligence?

1903 upvotes • FirstFromTheSun

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AskScience AMA series: I'm Lee Feinberg, Optical Telescope Element Manager for NASA's James Webb Space Telescope; we're installing the primary mirror on the Space Telescope, AMA!

1903 upvotes • NASAWebbTelescope

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
AskScience AMA Series: I'm Karestan Koenen, a licensed clinical psychologist, author, and professor at Harvard where my lab focuses on research and training around trauma and mental health both in the US and globally. AMA about childhood trauma and the effect it can have on our mental health!	1913	AskScienceModerator
[Is It Possible to Magnetize Dirt, Wood, or Other NONMAGNETIC Materials?]	1912	EnderQuakePlayz
If energy cannot be created or destroyed, how come the universe is expanding at an accelerating rate? Where does the energy for this expansion come from?	1910	CrimsonAshes28
There have been a few recent studies coming out that have claimed/proven that medium-to-long-term periods of sitting causes serious damage to one's health. How does this happen? What sort of damage is it? Is there less damage by simply laying down instead of sitting? Is it reversible?	1910	greenday5494
What's the difference between a slug, a sea slug, and a nudibranch?	1909	Xierrax
When a photon is created, does it accelerate to c or does it instantly reach it?	1907	theonewhoknock_s
Is there a limit to how acidic (or basic) something can be?	1907	42sn0wstic
Is there anything interesting in our solar system that is outside of the ecliptic?	1906	cbrian13
Are there people with down syndrome who are of average intelligence?	1903	FirstFromTheSun
AskScience AMA series: I'm Lee Feinberg, Optical Telescope Element Manager for NASA's James Webb Space Telescope; we're installing the primary mirror on the Space Telescope, AMA!	1903	NASAWebbTelescope