If some animals can emit light, can they emit other forms of electromagnetic radiation in useful ways (obviously, excluding infrared as escaped heat)? | AskScience Blog

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Saturday, May 29, 2021

If some animals can emit light, can they emit other forms of electromagnetic radiation in useful ways (obviously, excluding infrared as escaped heat)?

If some animals can emit light, can they emit other forms of electromagnetic radiation in useful ways (obviously, excluding infrared as escaped heat)?


If some animals can emit light, can they emit other forms of electromagnetic radiation in useful ways (obviously, excluding infrared as escaped heat)?

Posted: 28 May 2021 03:26 PM PDT

I sometimes see a chicken egg with two yolks inside. If the egg were to be fertilized, would the two yolks result in twin baby chicks?

Posted: 28 May 2021 08:42 AM PDT

Exactly what the title says! I know commercial chicken eggs are not fertilized (at least not on purpose!) so the yolks could never become chicks. Would double yolks even appear in a fertilized chicken egg?

submitted by /u/thunbergfangirl
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How does memory recall work?

Posted: 28 May 2021 01:29 PM PDT

If memories are signal patterns stored in the brain cells, how does the brain know how to fire the right cells to create the same patterns to recall those memories, and where is the information about those patterns stored?

submitted by /u/-t-o-n-y-
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Why do some fish have red flesh while others have white? Is it to do with the food they eat?

Posted: 28 May 2021 08:33 AM PDT

Can O2 oxidize Iodide to Iodine?

Posted: 28 May 2021 12:59 PM PDT

So,

I was wondering if O2 can oxidize the Iodide in a KaI Solution to I2 at a near neutral pH?

My guess is that it should work, since the standard electrode potential between both pairs is high enough, yet i have never seen a solution react in this manner.

If anyone can help me with this, it would be much appreciated.

submitted by /u/corpse23
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In Covid vaccine, what technique was used to ensure all the mRNA is encapsulated in the nanoparticles?

Posted: 28 May 2021 08:24 AM PDT

Before we understood how light waves work, what was the historical understanding of refraction?

Posted: 28 May 2021 07:42 AM PDT

I was taking a bath earlier and if I didn't know any better, I totally could have been convinced that my hand was physically shrinking when I dipped it in the water. Did people believe anything to that effect before we understood that it was refraction of light waves? Or did people generally understand it was some kind of trick of the light?

submitted by /u/crass-sandwich
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When a positive sense single stranded RNA virus first enters the cell does it carry it's own RdRp?

Posted: 28 May 2021 02:35 PM PDT

Or since it is directly translated does it make rdrp once it is already in the cell?

submitted by /u/irras005
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Can an mRNA vaccine produce any protein that a cell can normally produce or are their limitations?

Posted: 28 May 2021 08:58 AM PDT

Does the process of having to pass through the cell wall and into the nucleus impose any limitations on what can be built as a result?

submitted by /u/HeliumBurn
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Is visual reaction time naturally faster in our peripheral vision?

Posted: 28 May 2021 03:50 AM PDT

I was doing some reaction time tests online for fun today, where the screen is red and you have to click as soon as it switches to green. Doing this, I discovered that my reaction time is considerably and consistently faster when I actually look away from the screen and only seeing it in my peripheral vision. When looking at the screen directly, my reaction time averages at a little over .2 ms, and with my peripheral vision, it's consistently .17-.19 ms. Is this a normal occurrence that can be explained scientifically?

submitted by /u/__Xander_
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Do 2WD cars have a center differential? If so, why?

Posted: 28 May 2021 11:02 AM PDT

How does solidifying candy (power to solid) work?

Posted: 28 May 2021 02:12 AM PDT

Flaired under chemistry as it seems the most relevant to this "food science" question, although physics might also be relevant.

There seems to be a type of novelty DIY candy where two forms of powder are mixed, suspended in a liquid, and combined to create a solid strip of candy upon being pulled out and exposed to air. What stages/processes might be involved in this, or how does something like this actually work? (E.g. why does it not solidify into a lump when it is already suspended in the solution without being pulled out?)

submitted by /u/n0c0ld314
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How exactly does a rattlesnake's tail work?

Posted: 27 May 2021 09:05 PM PDT

What is it that makes the rattle sound? Is it some loose bit of bone or bits of layered shell? And how do they grow their tail?

Side question: How accurately do rattlesnakes in movies sound?

submitted by /u/JadesArePretty
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When a person says they have oily skin, does that really mean that the skin produces oil? If so, what kind of oil is it?

Posted: 27 May 2021 10:29 PM PDT

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