Are spiral galaxies on their last leg of life?

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• Are spiral galaxies on their last leg of life?
• Are there long term effects from COVID in fully vaccinated people?
• Is the flu we get vaccinated for today just a variant of the 1918 Influenza?
• What's the most complex parasite life cycle that we know of?
• When I look at the world tropical storm map, the overwhelming majority of the subtropical climate seems to be affected, except for South America. Why is that?
• SARS-CoV-2 infections appear to cause BBB dysfunction (permeability); is it permanent or can the BBB recover its integrity?
• How does nature know the least energy path? - Lightnings case study
• When you put someone else’s antibodies into your body, does your body learn how to make copies of the foreign antibody or not?
• Are polarized sunglasses less effective in Manhattan?
• Can air be compressed? Is air considered a fluid?
• When the sun burns out, will it just disappear? Causing all the planets in it's orbit to float away into space?

Are spiral galaxies on their last leg of life? Posted: 09 Sep 2021 04:14 AM PDT Hi folks, Is this the final stage of a galaxies life as the black hole has grown large enough that it is pulling every star i to the centre of the the galxay creating a vortex of light? If so, would galaxies that have an even disc/belt shape be mid aged as the black hole has enough force to keep the stars close but not on a tragectory inwards? Would young galaxies be clusters of stars where the black hole does not have enough force and time to shape it into a disc? Do all galaxies spin in the same direction? I only ask because if half of visible galaxies spinned one direction and the other half another direction would this indicate that the universe has hemispheres. submitted by /u/Ill_Scallion_9134 [link] [comments]

Are there long term effects from COVID in fully vaccinated people? Posted: 08 Sep 2021 03:01 PM PDT Long time lurker, first time poster, long time loser in this pandemic. So I remember multiple papers being published showing evidence of long-term, if not potentially permanent, brain/heart/lung damage from COVID, even if the person showed no symptoms. 1) how accurate is that? 2) If it is, is there any evidence that being fully vaccinated does/doesn't prevent said damage to occur in case of getting COVID? Edit; apparently some people think I am doubting the efficacy of vaccines. I am not. got double vaxxed as soon as I could and the evidence that it protects you from serious side effects and death seems pretty irrefutable. I'm asking specifically about the damage COVID has done to the lungs, heart, brain that has been found in folks who have tested positive even when asymptomatic. submitted by /u/MerryfaceAviation [link] [comments]

Is the flu we get vaccinated for today just a variant of the 1918 Influenza? Posted: 09 Sep 2021 06:33 AM PDT I know the there is basically a different strain of the flu virus every year, which is why there is a new flu shot every year. Is this the result of the 1918 Spanish Influenza pandemic? I've been reading that Covid is more or less here to stay, and it will likely have annual variants that may require yearly boosters. Is this similar to the 1918 pandemic? submitted by /u/LawsOfWonderland [link] [comments]

What's the most complex parasite life cycle that we know of? Posted: 08 Sep 2021 11:33 AM PDT submitted by /u/JoelWHarper [link] [comments]

When I look at the world tropical storm map, the overwhelming majority of the subtropical climate seems to be affected, except for South America. Why is that? Posted: 08 Sep 2021 09:57 AM PDT This is a map of world's tropical storms, and while it affects every subtropical region that is near the sea, Both Eastern as well as Western South America is excluded. We see on the map that along the same longitude (Southeast Asia, North Australia etc) there exists tropical storms. Why is this the case? ​ Edit: I should edit this question and ask why they are so rare, instead of not occuring at all submitted by /u/Jinglemisk [link] [comments]

SARS-CoV-2 infections appear to cause BBB dysfunction (permeability); is it permanent or can the BBB recover its integrity? Posted: 08 Sep 2021 12:15 PM PDT This study shows that in some models, SARS-CoV-2 can not only cross the BBB, but also alter its permeability. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7961671/ Is that alteration in the BBB permanent? Or does the BBB recover its integrity over time again? What are the neurological consequences of this? Can spike proteins produced by mRNA vaccines cross the BBB on their own and produce the same issues in BBB permeability and integrity? Or does the mRNA vaccine's spike protein not harmful in the same way because its produced by our body in its prefusion state? submitted by /u/reutertooter [link] [comments]

How does nature know the least energy path? - Lightnings case study Posted: 08 Sep 2021 10:53 AM PDT I came across this question when I was looking at lightnings during a storm. Apparently lightnings are not straight lines to ground because air is non-homogeneous (so more ionic particles could be at a different spot than just simply straight down) and that not all points on ground offer the same potential difference to discharge the lightning, reason for which trees are sometimes hit or that water bodies (lakes) often take the discharge. But the question is: how does nature know in advance which path is best? Does it take this decision molecule after molecule? Is it really the least energy path the one that the lightning took? Or could there have been a better one? If it does take the decision molecule after molecule, how can it land exactly on the tip of the tree or on a water surface? Wouldn't random probability dictate this? submitted by /u/Nic6i [link] [comments]

When you put someone else’s antibodies into your body, does your body learn how to make copies of the foreign antibody or not? Posted: 08 Sep 2021 02:31 PM PDT submitted by /u/Tiktoker_Oop [link] [comments]

Are polarized sunglasses less effective in Manhattan? Posted: 08 Sep 2021 02:22 PM PDT …or any other city with skyscrapers and large windows at eye level. My understanding of how polarized glasses work, and please correct me if I'm wrong, is that they block out horizontally polarized light reflected off the ground where you can encounter sheets of snow (like when skiiing) or the ocean, and reflectivity is high. Knowing this, would light reflected off large windows that are standing parallel to you only reflect vertically polarized light that these sunglasses would let through? This wouldn't cause much issue in day to day life, but what if you lived in Manhattan, where you are constantly surrounded by large windows? If they are less effective, by how much? Would these glasses be useless in a city, or would it be more or less negligible? submitted by /u/witchking96 [link] [comments]

Can air be compressed? Is air considered a fluid? Posted: 09 Sep 2021 12:06 AM PDT Mobile format (sorry) Hydraulic principle states that fluid cannot be compressed, so any force you apply at one end will be fully transferred to the other end. But I also know that you can buy a canof compressed air and air is considered a fluid (to my knowledge). Am i missing something? Is there any error in the statements above? Is it just simply a naming problem? Thanks in advance! submitted by /u/Righart [link] [comments]

When the sun burns out, will it just disappear? Causing all the planets in it's orbit to float away into space? Posted: 08 Sep 2021 07:46 AM PDT submitted by /u/Bonedron [link] [comments]

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Pfizer vaccine was initially recommended to be stored at -60C to -80C for transportation. Is the vaccine still at a liquid state at this temperature or is it frozen solid?

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• Pfizer vaccine was initially recommended to be stored at -60C to -80C for transportation. Is the vaccine still at a liquid state at this temperature or is it frozen solid?
• Are there short-term, long-term, and working attention spans the way there are with memory?
• Could satellites or planets orbit a black hole without being sucked into it and how far away of a black hole would they need to be to stay in orbit?
• Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology
• In the philosophy of physics, is there not a logical contradiction needing to be solved that quantum properties which are fundamentally probabilistic on the particle level combine to form objects which behave deterministically described by Newtonian physics?
• Is it possible that an “earthquake season” could exist? Or are the earthquakes in my country just coincidences?
• How much do the ratings for K-12 schools actually matter? Are there measurable improvements in outcomes for kids who go to highly rated schools versus average schools?
• what happens to the vaccine after the mRNA is processed by the ribosome?
• Is there a good explainer for why the Moderna vaccine is performing better than Pfizer?
• Do PVC acids affect other plastics such as PP and PE?
• what causes NADH and FADH2 to undergo oxidation during oxidative phosphorylation? and why is oxygen necessary?
• When exciting electrons to higher energy levels in an atom, does the atomic radii of the material increase?
• How does regenerative braking "intensify"?
• With hallucinations of pain, do patients experience physical symptoms like redness and swelling of the falsely painful area?
• Why do egg yolks turn green/grey when overcooked in the shell, but stay yellow any other way?
• Mirror neurons and mental practice: is there any correlation or overlap? Do mirror neurons show activity during NLP/manipulation events? Do emotionally codependent people with enmeshment show more mirror neurons activity?
• Why does pure copper contaminate rhodium plating solution?
• How different is the population density of ocean life between the coast and the middle of the ocean? Are the coasts dramatically more densely populated than hundreds of miles from shore, or is it somewhat evenly distributed?
• What makes certain metals denser than other ones? (mercury vs lead)

Pfizer vaccine was initially recommended to be stored at -60C to -80C for transportation. Is the vaccine still at a liquid state at this temperature or is it frozen solid? Posted: 07 Sep 2021 06:39 PM PDT submitted by /u/whatissevenbysix [link] [comments]

Are there short-term, long-term, and working attention spans the way there are with memory? Posted: 08 Sep 2021 07:01 AM PDT e.g. Is someone with ADHD likely to have more challenges with long-term goals due to distraction, or does it only affect day-to-day tasks? submitted by /u/submarginal [link] [comments]

Could satellites or planets orbit a black hole without being sucked into it and how far away of a black hole would they need to be to stay in orbit? Posted: 07 Sep 2021 11:05 PM PDT submitted by /u/gripfly [link] [comments]

Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology Posted: 08 Sep 2021 07:00 AM PDT Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Economics, Political Science, Linguistics, Anthropology Do you have a question within these topics you weren't sure was worth submitting? Is something a bit too speculative for a typical /r/AskScience post? No question is too big or small for AAW. In this thread you can ask any science-related question! Things like: "What would happen if...", "How will the future...", "If all the rules for 'X' were different...", "Why does my...". Asking Questions: Please post your question as a top-level response to this, and our team of panellists will be here to answer and discuss your questions. The other topic areas will appear in future Ask Anything Wednesdays, so if you have other questions not covered by this weeks theme please either hold on to it until those topics come around, or go and post over in our sister subreddit /r/AskScienceDiscussion , where every day is Ask Anything Wednesday! Off-theme questions in this post will be removed to try and keep the thread a manageable size for both our readers and panellists. Answering Questions: Please only answer a posted question if you are an expert in the field. The full guidelines for posting responses in AskScience can be found here. In short, this is a moderated subreddit, and responses which do not meet our quality guidelines will be removed. Remember, peer reviewed sources are always appreciated, and anecdotes are absolutely not appropriate. In general if your answer begins with 'I think', or 'I've heard', then it's not suitable for /r/AskScience. If you would like to become a member of the AskScience panel, please refer to the information provided here. Past AskAnythingWednesday posts can be found here. Ask away! submitted by /u/AutoModerator [link] [comments]

In the philosophy of physics, is there not a logical contradiction needing to be solved that quantum properties which are fundamentally probabilistic on the particle level combine to form objects which behave deterministically described by Newtonian physics? Posted: 07 Sep 2021 01:18 PM PDT I have heard many casually explain that the rules of physics are somewhat like a "piece-wise" function, with quantum rules applying to the particle level and Newtonian physics and classical mechanics describing behavior on the larger object level. However, it seems to me that if every single particle inside a baseball behaves probabilistically in its motion, and all these particles join to create a ball which when thrown has its trajectory behave in a deterministic way described by classical mechanics, what we are then suggesting is that an object which behaves deterministically is comprised entirely of parts which themselves independently behave probabilistically on the particle level. How can determinism be an emergent property of an object produced entirely by elements with probabilistic characteristics? I cannot wrap my head around this, and I am wondering if this is a legitimate issue in the physics community, if there are any thinkers who have dealt with this or if this is an issue in my construction of the argument. Thanks in advance. submitted by /u/BenjaminShapiro [link] [comments]

Is it possible that an “earthquake season” could exist? Or are the earthquakes in my country just coincidences? Posted: 08 Sep 2021 06:30 AM PDT I live in Mexico and earthquakes are fairly common here. They happen at any point of the year really but there's a strange pattern a lot of us have been noticing recently. One of Mexico's most devastating earthquakes happened on September 19, 1985. Then in 2017, a small earthquake happened on September the 7th. Then, just a few days later, on September 19th, another one of the most devastating earthquakes happened. Yesterday, September 7th 2021, another earthquake happened. Not as strong but extremely noticeable. 6.9-7.2 I think. I'm just wondering if there's a reason why a lot of the most noticeable earthquakes here tend to happen during September. I know it's probably just an interesting coincidence but if anyone knows of something, I'd appreciate them sharing! submitted by /u/BabyAcid2001 [link] [comments]

How much do the ratings for K-12 schools actually matter? Are there measurable improvements in outcomes for kids who go to highly rated schools versus average schools? Posted: 08 Sep 2021 03:39 AM PDT submitted by /u/Demon_Slut [link] [comments]

what happens to the vaccine after the mRNA is processed by the ribosome? Posted: 07 Sep 2021 03:24 PM PDT So obviously i understand a bit of how the covid19 vaccine works, but what happens to the strands of mRNA after the ribosome "reads" it? Does it just float around in the cell or does it get broken down, or something else? submitted by /u/SimplyStuart [link] [comments]

Is there a good explainer for why the Moderna vaccine is performing better than Pfizer? Posted: 08 Sep 2021 01:42 AM PDT submitted by /u/2old-you [link] [comments]

Do PVC acids affect other plastics such as PP and PE? Posted: 08 Sep 2021 05:24 AM PDT I did some research on PVC and read that PVC releases hydrochloric acids over time. Could someone enlighten me on this? And do the acids affect other plastics (PP & PE) over a long period of time? submitted by /u/loptoaded [link] [comments]

what causes NADH and FADH2 to undergo oxidation during oxidative phosphorylation? and why is oxygen necessary? Posted: 08 Sep 2021 12:57 AM PDT to clarify the latter question, I was wondering why it is important for oxygen to act as the final electron acceptor. submitted by /u/kimchuzu [link] [comments]

When exciting electrons to higher energy levels in an atom, does the atomic radii of the material increase? Posted: 07 Sep 2021 03:04 PM PDT submitted by /u/The_noseless_Ginge [link] [comments]

How does regenerative braking "intensify"? Posted: 07 Sep 2021 10:23 PM PDT I'm going to assume I understand the in one way, the electric motor propels the car forward, and in the other, the wheels turn the motor as a generator, regenerating power. My question is how is this power varied? Before the friction brakes kick in, my hybrid regenerates "harder" as you push down on the brake. Image of gauge cluster in my 2018 Optima. As I press the brake harder, the needle moves further into the blue "Charge" area and regenerates more, slowing the car more rapidly. What is happening after I push the brake harder to provide that additional resistance? If it's the gearbox, would this be the same in a fully electric car? submitted by /u/PM_ME_YOUR_CALICOS [link] [comments]

With hallucinations of pain, do patients experience physical symptoms like redness and swelling of the falsely painful area? Posted: 07 Sep 2021 10:17 PM PDT I'm wondering if, in a patient with schizophrenia, does their body react to painful hallucinations the way it would if it were a real injury? Since the brain is responsible for sending signals to swell and flood the injury site with blood, I'd imagine the brain could trick itself into reacting to an internal stimulus as it would for an external one. submitted by /u/cat-eating-a-salad [link] [comments]

Why do egg yolks turn green/grey when overcooked in the shell, but stay yellow any other way? Posted: 07 Sep 2021 06:47 PM PDT submitted by /u/fuhnetically [link] [comments]

Mirror neurons and mental practice: is there any correlation or overlap? Do mirror neurons show activity during NLP/manipulation events? Do emotionally codependent people with enmeshment show more mirror neurons activity? Posted: 07 Sep 2021 06:04 PM PDT submitted by /u/periodscratchcomma [link] [comments]

Why does pure copper contaminate rhodium plating solution? Posted: 07 Sep 2021 10:53 PM PDT submitted by /u/conejita-lyreleaf [link] [comments]

How different is the population density of ocean life between the coast and the middle of the ocean? Are the coasts dramatically more densely populated than hundreds of miles from shore, or is it somewhat evenly distributed? Posted: 07 Sep 2021 02:39 PM PDT submitted by /u/Darkroom_Dweller [link] [comments]

What makes certain metals denser than other ones? (mercury vs lead) Posted: 07 Sep 2021 09:24 PM PDT When looking at the density of elements in the periodic table, more specifically the transitional metals you can see that the metals in the "middle" of the row are more dense than the ones close to the ends. and why is mercury more dense than lead because of this. Mercury has lower attraction levels between atoms which makes it a liquid at room temperature and a lower atomic weight but despite this, it is still less dense than lead. And what makes metals in the middle of the row more dense than the other metals? submitted by /u/SSR2806 [link] [comments]

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What is the Infection Fatality Rate from COVID 19 if you are fully vaccinated?

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• What is the Infection Fatality Rate from COVID 19 if you are fully vaccinated?
• Near the start of the pandemic I read vitamin D that deficiencies might be linked to (worse) cases of COVID-19. But nothing lately, what is the scientific staus on this?
• Why is laser light monochromatic?
• Is it possible for fossils to be found in metamorphic rock?
• Dolphins use echolocation to visualize objects around them, and are able to make a wide variety of sounds. Can they reproduce the echo or sound image of an object in order to communicate it to other dolphins?
• To what extent does using plastic cooking implements (both spatulas, spoons etc and Teflon pans) increase dietary exposure to microplastics?
• Why is bacteria phagotherapy not widely used to combat serious bacteria resistant infections?
• Why is there discrete states of matter, as opposed to a continuous “spectrum” of matter?
• Are hemp plastics structurally distinct from petroleum-based plastics?
• What causes heat waves?
• Are there any ongoing trials utilizing sPLA2-IIA inhibitors with regards to covid19 infection?
• Is it true that schizophrenia is really dozens of different diseases? If so, what are they?
• When looking at the Milky Way, are you looking deeper onto the Milky Way or out of the Milky Way?
• As the earth warms, shouldn’t rainfall increase?
• Why is emission of a helium nucleus such a common form of nuclear decay?
• Are there organisms with multiple brains?
• How much DNA is conserved among all the great apes and how is it calculated?
• what is the tallest habitable building to have been brought down as a direct result of an earthquake?
• What happened to wildfires and forest fires before humans developed firefighting techniques? Did they all eventually run out of things to burn? If not, how else could they end?
• Whatever happened to the theory that you could catch covid-19 via your eyes?

What is the Infection Fatality Rate from COVID 19 if you are fully vaccinated? Posted: 07 Sep 2021 03:07 AM PDT submitted by /u/Skullzrulerz [link] [comments]

Near the start of the pandemic I read vitamin D that deficiencies might be linked to (worse) cases of COVID-19. But nothing lately, what is the scientific staus on this? Posted: 07 Sep 2021 04:45 AM PDT submitted by /u/Candelaphys [link] [comments]

Why is laser light monochromatic? Posted: 07 Sep 2021 12:11 AM PDT The common explanation for this is that the electron moves from one orbital to another and the light emitted is given by the E=hf. However, since an electrons position are 'vague', ie. defined by a probability, how come the emitted light doesn't demonstrate a small variation in the wavelength? (Or does it?!) submitted by /u/lewildbeast [link] [comments]

Is it possible for fossils to be found in metamorphic rock? Posted: 06 Sep 2021 07:58 AM PDT Been reading magic school bus with my son, this question came to mind. If fossils form in sedimentary rock, and then that rock becomes metamorphic rock, can the fossil survive that process? submitted by /u/TheGreatOz2014 [link] [comments]

Dolphins use echolocation to visualize objects around them, and are able to make a wide variety of sounds. Can they reproduce the echo or sound image of an object in order to communicate it to other dolphins? Posted: 06 Sep 2021 11:02 AM PDT For example, to say the word "fish", could they reproduce the sound image (or a simplified version) of a fish? submitted by /u/frozenburger [link] [comments]

To what extent does using plastic cooking implements (both spatulas, spoons etc and Teflon pans) increase dietary exposure to microplastics? Posted: 07 Sep 2021 06:06 AM PDT submitted by /u/TheBionicBoy [link] [comments]

Why is bacteria phagotherapy not widely used to combat serious bacteria resistant infections? Posted: 06 Sep 2021 04:34 PM PDT Have a family member struggling for months with a super-resistent bacteria and the only would be solution (phago therapy) is not available anywhere it seems. submitted by /u/dbcid [link] [comments]

Why is there discrete states of matter, as opposed to a continuous “spectrum” of matter? Posted: 06 Sep 2021 02:50 PM PDT Why does matter go through discrete phases of solid → liquid → gas, rather than a continuous change going through a "buttery" or "syrup"-esque phase? submitted by /u/Farkle_Griffen [link] [comments]

Are hemp plastics structurally distinct from petroleum-based plastics? Posted: 06 Sep 2021 02:41 PM PDT A friend the other day tried to tell me that hemp-based plastics are superior because they're biodegradable, but I don't know that I believe that. After all, it is still plastic... right? submitted by /u/roosterkun [link] [comments]

What causes heat waves? Posted: 07 Sep 2021 06:00 AM PDT submitted by /u/Veldron [link] [comments]

Are there any ongoing trials utilizing sPLA2-IIA inhibitors with regards to covid19 infection? Posted: 07 Sep 2021 03:41 AM PDT submitted by /u/uhyeahokwhateva [link] [comments]

Is it true that schizophrenia is really dozens of different diseases? If so, what are they? Posted: 06 Sep 2021 01:37 PM PDT submitted by /u/ajungfreud [link] [comments]

When looking at the Milky Way, are you looking deeper onto the Milky Way or out of the Milky Way? Posted: 06 Sep 2021 05:07 PM PDT submitted by /u/srocan [link] [comments]

As the earth warms, shouldn’t rainfall increase? Posted: 06 Sep 2021 07:22 PM PDT It seems like a lot of areas are experiencing record drought levels. I find this curious because evaporation of the oceans should increase as the planet warms right? submitted by /u/Dirtyharry42 [link] [comments]

Why is emission of a helium nucleus such a common form of nuclear decay? Posted: 06 Sep 2021 09:11 PM PDT Wondering why alpha decay of all things is a helium nucleus, why could it not be say a deuterium nucleus or a lithium nucleus. What is so special about helium-4 which makes it the most common kind of decay particle? submitted by /u/yalloc [link] [comments]

Are there organisms with multiple brains? Posted: 06 Sep 2021 08:46 AM PDT I am excluding symbiotic units for this question. And I'm also specifying only brains grown through cell differentiation, not through the assimilation of a foreign organism. And, if they exist, what are they? Thanks. submitted by /u/yutani333 [link] [comments]

How much DNA is conserved among all the great apes and how is it calculated? Posted: 07 Sep 2021 12:23 AM PDT submitted by /u/Spinosaurus-729 [link] [comments]

what is the tallest habitable building to have been brought down as a direct result of an earthquake? Posted: 06 Sep 2021 11:34 PM PDT I'm not sure this is the best subreddit for this question, so feel free to direct me to a better one. I've tried searching for this information along various keywords, without much success. I'm imagine there would be at least 3 categories of "brought down": Complete or near complete collapse of the building as a direct result of an earthquake. Very little demolition would be required in this case as the earthquake would have done most of the "work". Significant or partial collapse of the building, rendering it unfit for habitation, and therefore subject to demolition, as a direct result of an earthquake. Other significant structural damage, rendering it unfit for habitation, and therefore subject to demolition, as a direct result of an earthquake. submitted by /u/ZippyDan [link] [comments]

What happened to wildfires and forest fires before humans developed firefighting techniques? Did they all eventually run out of things to burn? If not, how else could they end? Posted: 06 Sep 2021 10:13 AM PDT submitted by /u/Lexicham [link] [comments]

Whatever happened to the theory that you could catch covid-19 via your eyes? Posted: 06 Sep 2021 01:02 PM PDT I recall a Dr. in 2020 theorized that's how he got it. submitted by /u/Throwitout6793 [link] [comments]

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