If you have food allergies, are there any that make you ineligible for organ donation? | AskScience Blog

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Saturday, June 22, 2019

If you have food allergies, are there any that make you ineligible for organ donation?

If you have food allergies, are there any that make you ineligible for organ donation?


If you have food allergies, are there any that make you ineligible for organ donation?

Posted: 21 Jun 2019 11:04 PM PDT

I was just talking about this and the question raised up, like, I have allergy to salmon and banana, does that make my organs "unusable" or is there no connection?

submitted by /u/inimigor
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Is a rock from space (Moon, asteroids, etc.) different from a rock formed on Earth?

Posted: 21 Jun 2019 04:27 PM PDT

If aliens, or even ignorant humans, tried to make something similar to a periodic table, would it look the same as our standard one?

Posted: 22 Jun 2019 01:39 AM PDT

How good are modern Radiation Suits at shielding people from radiation? And how could they be better?

Posted: 21 Jun 2019 09:14 PM PDT

I was watching Chernobyl and noticed that most of the scientists seemed to consider personal protection against radiation useless in the long term(and even short term exposure to high dosages).

Are radiations suits today better? Could they make someone immune to some levels of radiation? If not, why? Could they be better if the budget to make them was bigger?

I once read NASA had plans to use shields made with magnetic fields to protect space vehicles from radiation, could we, with sufficient tech make a "magnetic shield" suit(polarized?) that would shield the wearer from radiation?

submitted by /u/Kellar21
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How do halogens and sulfur confer lipid-solubility to a molecule?

Posted: 21 Jun 2019 02:30 PM PDT

Hi, everyone. First post here, and one related to chemistry, too!

In my pharmacology course, a useful rule of thumb was that halogens and sulfur both confer lipid-solubility to a drug molecule. I am aware that lipophilic is synonymous with non-polar, but they form ions with a negative charge, so how does that work? And why is the rule exclusive to those elements?

Help is greatly appreciated!

Edit: Atoms don't have a charge.

submitted by /u/ColdWindBlowsss
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When an airplane is accelerating, is the air pressure at the back of the cabin greater than the air pressure at the front?

Posted: 21 Jun 2019 05:42 AM PDT

During takeoff, or a nosedive, would the air "stack up" at the rear of the cabin? Enough to be noticeable? Would it take a massive acceleration like a slingshot?

submitted by /u/thinkofanamelater
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Does the Earth's Atmosphere Affect the Earth's Gravitational Pull in any Way?

Posted: 21 Jun 2019 03:33 AM PDT

Let's say I'm an astronaut, and I was magically teleported just outside of Earth's atmosphere. I assume that according to Newton's Law of Universal Gravitation, the Earth's gravity SHOULD act on me immediately as I teleport in outside of the Earth's atmosphere. However, movies always make it seem like as soon as you exit the Earth's atmosphere, gravity decreases. Is this a Hollywood inaccuracy or am I missing some kind of key piece of information about Earth's atmosphere?

Also, just to note, I DO understand that the only reason actual people (not actors) appear "weightless" in space is because they are in orbit, and are therefore being pulled toward the Earth but their motion in the direction tangent to the Earth's surface keeps them from falling to Earth. I'm just wondering if anything inside of the Earth's atmosphere affects the force of gravity in any sort of way.

submitted by /u/code_turtle
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Is it possible to mistake a distant galaxy as being closer to us because it is moving in our direction, hence affecting the redshift of it's light?

Posted: 20 Jun 2019 10:11 PM PDT

Let's assume galaxy A is 13 billion years distant, but was flung towards us (due to a collision with another galaxy).

How much would it's blueshift cancel out the redshift of the expanding universe, and lead us to believe it is closer?

submitted by /u/die_balsak
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What is the body's preferred order of fuel sources for energy?

Posted: 21 Jun 2019 06:55 AM PDT

I heard it is blood glucose > glycogen in muscles > stored fat > protein from muscles?

If so, how much of each energy source is available before a transition to the next or how long does each last with activity, or is each burned simultaneously?

submitted by /u/Shortbull
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