What is the “pins and needles” feeling that happens when you cut off circulation to a part of your body? | AskScience Blog

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Friday, July 20, 2018

What is the “pins and needles” feeling that happens when you cut off circulation to a part of your body?

What is the “pins and needles” feeling that happens when you cut off circulation to a part of your body?


What is the “pins and needles” feeling that happens when you cut off circulation to a part of your body?

Posted: 19 Jul 2018 12:27 PM PDT

About the 100 foot fissure in Yellowstone. What could that mean? What are the consequences of it opening up so suddenly?

Posted: 19 Jul 2018 08:23 AM PDT

Are allergies connected to autoimmune disease?

Posted: 20 Jul 2018 07:53 AM PDT

I have an autoimmune disease, I also have always had seasonal allergies for as long as I can remember. According to my allergists, I have been allergic to grass & corn in my twenties, but now am allergic to grass, trees, and several food items such as wheat and walnuts, but no longer corn. I've been on immunosuppressive therapies for at least 12 years, but not at times of allergy testing. Is there a link between my immune disease and the changing food allergies?

submitted by /u/LolliPoppies
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When you lose a pound, how does it get out of you?

Posted: 19 Jul 2018 07:40 PM PDT

Neurologically, what's the difference between, say, thinking of your hand moving, and actually moving it?

Posted: 19 Jul 2018 03:46 PM PDT

What assurance do we have that the Higgs field can continue to impart the same amount of mass to an object that is compressed more and more as is the case in a neutron star or singularity?

Posted: 19 Jul 2018 05:07 PM PDT

Could there be a limit to the density of Higgs bosons achievable such that beyond a certain volume the mass of an object is capped or reaches a limit and proceeding to a "singularity" is simply not possible

submitted by /u/Weaver145
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Why does the road reflect when it is hot out?

Posted: 19 Jul 2018 06:11 PM PDT

Is it true that expansion prevents huamans from ever going past the local group?

Posted: 19 Jul 2018 08:53 AM PDT

I saw a video by youtuber Kurzgesagt that said that beyond the local group (Milky way and andromeda, I think?) there expansion outweighs gravity to the extent that humans can never travel beyond it, other galaxies will always expand away faster than we can travel, is this true?

submitted by /u/gmanflnj
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How exactly do Oncologists predict how long a patient has left to live ?

Posted: 19 Jul 2018 05:29 PM PDT

How does satelite radio differ from fm or am? I can easily build a radio at home for am/fm but whats stopping me from making something that picks up satelite?

Posted: 20 Jul 2018 12:30 AM PDT

Does the brain invert the image percieved back upright if you wear inverted goggles for a certain period of time?

Posted: 19 Jul 2018 08:18 PM PDT

How do we navigate in space?

Posted: 19 Jul 2018 08:37 PM PDT

There is no azimuth, north, south, east or west. What bottom line do we base our space travel off of in order to propel in certain directions once we leave Earth's gravitational pull?

submitted by /u/pulpbear
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If temperature is the average kinetic energy in a group of atoms, why do we use Kelvin instead of Joule ?

Posted: 20 Jul 2018 04:46 AM PDT

I'm thinking a lot about entropy and information recently. Entropy is usually measured in J/K. But K seems that be also in J.

Can we consider entropy to be without dimension, the information linking a difference of temperature (a difference of energy) and energy ?

Is Kelvin used somewhat like angles in radian, to help indicate a dimension while it is in practice dimentionless ?

Can we speak of melting energy level instead of melting temperature ?

submitted by /u/Litrale
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Is there a lot of variance in the size of adult eyeballs?

Posted: 19 Jul 2018 05:55 PM PDT

Or is it mainly the eye opening that gives the appearance of large or small eyes?

submitted by /u/AsgardDevice
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Is the moon getting further away or is it getting closer?

Posted: 19 Jul 2018 09:52 PM PDT

Ever since I can remember I have always heard people say the moon is slowly getting further away from the Earth, but I just stumbled across a video of an Aerospace Engineer Major and she mentioned that the moon is getting pulled closer. I assume since she's going to college for this stuff that she would know a bit about it, but I felt like I would ask here as well.

So which one is true?

submitted by /u/CupcakeJake
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How are gas lines in cities secured from chain explosions?

Posted: 19 Jul 2018 10:10 AM PDT

I would imagine a fracture in a gas line that results in an explosion should ideally not result in a whole city blowing up due to the explosion traveling through pipes. How is that ensured though? Through using non-flamable gas concentration or some sort of blast preventing valves?

submitted by /u/voyti
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Does our atmosphere tend to settle according to density of gases, and in that case would there be a layer of methane around the planet? I just want to know if we live under a fart blanket.

Posted: 19 Jul 2018 06:36 PM PDT

How would all the moons discovered around Jupiter affect an ocean on the planet?

Posted: 19 Jul 2018 02:36 PM PDT

If the planet was solid of course. The recent discovery of 12 moons surrounding Jupiter created the thought of this question.

submitted by /u/WingoWangoJuango
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How do we perceive the color brown?

Posted: 19 Jul 2018 03:04 PM PDT

The color brown isn't part of the electromagnetic spectrum and usually results by mixing colors. Are there cones in our eye that perceived mixed signals as brown? Is it perceived later down the line at the occipital lobe due to the stimulation of multiple cones?

submitted by /u/rickbarr21
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Was the Truman Show delusion a thing before The Truman Show existed?

Posted: 19 Jul 2018 06:54 AM PDT

My understanding of this delusion is that it deals with someone who believes their whole life is a TV show. So, did this delusion exist before the movie? Or was it brought on by the movie? What was it called before the movie?

submitted by /u/j0n5n0w91
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Ion distribution within a superconductor?

Posted: 20 Jul 2018 01:44 AM PDT

Learning more about superconductors, I'm curious when the capacitor is charged and the double layer is formed, and when it discharges, are the number of positive ions equal to the negative ions?

Is there ion-uniformity when the capacitor charges or discharges? In-terms of the motion of ions, and alignment when forming the double layers.

submitted by /u/9tothe9
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What is the highest frequency laser, and what challenges exist for making a higher frequency laser?

Posted: 20 Jul 2018 01:24 AM PDT

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