What is the theoretical maximum depth of the ocean?

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• What is the theoretical maximum depth of the ocean?
• If all our cells replace themselves once in seven years, why don't our tattoos disappear in that time feat?
• Why do Antihistamines contain HCL?
• If two animals of different species developed antibodies for the same virus how different would they be?
• What is physically different inside monitors that support 60hz vs 144hz?
• Do molecular shapes really matter?
• Why is the double Oxygen-Oxygen bond energy more than double the energy of the single O-O bond?
• Is bait scientifically classified as a tool?
• How do manned reentry vehicles reduce their speed for safe landing?
• How does heating in electrical wiring work? I know that in most conductors if temperature rises then the resistance risies and higher the resistance more heat is produced. Shouldn't it create a feedback loop?
• Why are there so many viewable asteroid strikes on the moon, but the earth doesn’t have nearly as many?
• Why do mitochondria and plastids have their own DNA and ribosomes?
• Can exposure to cold sores (HSV-1) cause outbreaks in symptoms in someone who is already infected with HSV-1?
• So vaccines basically help our body know how to fight the body the second time around, right? Why doesn’t this occur with other common sicknesses? Like the cold, flu, stomach bug.
• Do cold and flu viruses primarily change through random mutations, or do they pick up some genetic material from interactions with other viruses?
• If there was a remote control car on the moon and I had a 240,000 mile pole from earth to the car and pushed the pole at the same time someone pushed forward on the remote control, which would make the car move first?
• How do we know what’s in a gas giant?
• How did the oceans become salty?
• Why can’t critical cases of COVID 19 be treated using vaccines that have passed stage 1 and 2 of trials?

What is the theoretical maximum depth of the ocean? Posted: 27 Aug 2020 01:30 AM PDT We've only mapped like less than 1% of the ocean floor, so the chances of a deeper area than Challenger's Deep seems likely. What is that potential depth? submitted by /u/Mugaina [link] [comments]

If all our cells replace themselves once in seven years, why don't our tattoos disappear in that time feat? Posted: 27 Aug 2020 06:10 AM PDT submitted by /u/kneecapsoup [link] [comments]

Why do Antihistamines contain HCL? Posted: 27 Aug 2020 06:49 AM PDT Many antihistamines contain "HCL" as part of their generic name. For example, zyrtec is "Cetirizine HCL", and Azelastine (a nazal spray) is "Azelastine HCL." Does "HCL" stand for hydrochloric acid, or does it refer to something else in this context? What role does HCL play in these medicines? Is it an antihistamine itself, or does it somehow enhance the other antihistamines contained in the medicine? It's probably fairly obvious, but I don't know very much about chemistry, so a dumbed-down answer would be extremely appreciated. submitted by /u/Thecasualgamer15 [link] [comments]

If two animals of different species developed antibodies for the same virus how different would they be? Posted: 26 Aug 2020 10:18 AM PDT Would you be able to tell that they are from different animals or would they be there same because they are both trained on the same protein spike? For instance, if there were another outbreak of swine flu, could we infect a bunch of pigs then make an antibody serum from blood extracted from them? submitted by /u/AlbinoBeefalo [link] [comments]

What is physically different inside monitors that support 60hz vs 144hz? Posted: 27 Aug 2020 06:18 AM PDT submitted by /u/PolarPacific [link] [comments]

Do molecular shapes really matter? Posted: 27 Aug 2020 07:04 AM PDT We all have learnt about how water molecule is "bent" , SF ₆ is octahedral , etc but does it affect the macroscopic substance we see? if it does , how does it affect it. submitted by /u/tan_454 [link] [comments]

Why is the double Oxygen-Oxygen bond energy more than double the energy of the single O-O bond? Posted: 27 Aug 2020 05:41 AM PDT The single oxygen bond energy is 146 kJ/mol and the double bond one is 495 kJ/mol. My understanding was that the second bond that are formed are Pi bonds, which are supposed to be weaker than the primary Sigma bonds, so the energy of the double bond is supposed to be lower than twice the value of the single bond energy. The only mention I found of this was in R.T. Sanderson's "Chemical Bonds and bond energy" (1976), who explains it by the "lone pair bond weakening effect". So what exactly is going on here? submitted by /u/throwawayaccount7204 [link] [comments]

Is bait scientifically classified as a tool? Posted: 27 Aug 2020 03:22 AM PDT If a predator uses bait to catch it's prey, has that predator used what scientists would classify as a tool? submitted by /u/urmothersholylord [link] [comments]

How do manned reentry vehicles reduce their speed for safe landing? Posted: 27 Aug 2020 04:45 AM PDT Reentry vehicles (of spacecraft) enter the earth atmosphere at hypersonic speed. With the space shuttle, I understand that it has aerodynamic control surfaces that can be used to maneuver and reduce its speed to a safe landing speed. But what about the reentry vehicles of other spacecraft? Do they just free fall to earth? Are the parachutes enough to reduce fall velocity? submitted by /u/Jusfiq [link] [comments]

How does heating in electrical wiring work? I know that in most conductors if temperature rises then the resistance risies and higher the resistance more heat is produced. Shouldn't it create a feedback loop? Posted: 27 Aug 2020 03:42 AM PDT submitted by /u/Blckyyy [link] [comments]

Why are there so many viewable asteroid strikes on the moon, but the earth doesn’t have nearly as many? Posted: 26 Aug 2020 08:27 PM PDT Recently looking at a hi def picture of the moon, you clearly see it gets struck by asteroids or has been quite frequently. Why doesn't earth witness that many impacts? submitted by /u/SirWaddlezAlot [link] [comments]

Why do mitochondria and plastids have their own DNA and ribosomes? Posted: 26 Aug 2020 10:51 PM PDT My science teacher was just explaining that "Mitochondria and Plastids have their own DNA and ribosomes." But when I heard this, a question raised in my brain, WHY? So if anyone knows the answer to this question then please tell me. I am eagerly waiting for an answer. submitted by /u/Atharv407-2 [link] [comments]

Can exposure to cold sores (HSV-1) cause outbreaks in symptoms in someone who is already infected with HSV-1? Posted: 27 Aug 2020 01:36 AM PDT For example; in my family we are all infected as 3 of 4 members get cold sores. If one member has a cold sore could it trigger another family member to get one? I tried googling this and it only gives me environmental triggers and the fact that cold sores spread the virus, not if it can trigger symptoms in already infected persons. submitted by /u/Kareka00 [link] [comments]

So vaccines basically help our body know how to fight the body the second time around, right? Why doesn’t this occur with other common sicknesses? Like the cold, flu, stomach bug. Posted: 26 Aug 2020 11:55 PM PDT submitted by /u/tee_saleh [link] [comments]

Do cold and flu viruses primarily change through random mutations, or do they pick up some genetic material from interactions with other viruses? Posted: 26 Aug 2020 05:52 PM PDT It has been almost 10 years since I took AP biology, but I am pretty sure I remember that some viruses had the ability to take sections of DNA from either host cells or other bacteria. Do cold and flu viruses incorporate existing genetic material in this way, or are their year-to-year mutations dominated by random chance? If it adds useful context, the reason I ask has to do with curiosity about vaccines. I know that there are hundreds of viruses that cure the common cold, and I know that most of them evolve quickly just like the flu does. But my thought is: if they are primarily exchanging genes, could we eventually make a vaccine for all the proteins in the whole body of cold viruses? That way, even if a virus evolves from one season to the next, people can still have immunity to it because it is using an existing sequence of genetic material to create existing proteins. submitted by /u/DiceMaster [link] [comments]

If there was a remote control car on the moon and I had a 240,000 mile pole from earth to the car and pushed the pole at the same time someone pushed forward on the remote control, which would make the car move first? Posted: 26 Aug 2020 01:14 PM PDT Basically someone asked this in my high school physics class and I've been thinking about it for years now, because on first thought having the pole move the car would make it faster than the radio wave which goes against my understanding of. Well everything submitted by /u/sturgeonsurgeon9 [link] [comments]

How do we know what’s in a gas giant? Posted: 26 Aug 2020 10:09 AM PDT What kinds of methods do we use to look at a planet on the other side of our system and be like "yep, that's full of gas, probably has nitrogen rivers and no core or land mass what so ever." A bit exaggerated I know but the question is in there somewhere. submitted by /u/dj3777 [link] [comments]

How did the oceans become salty? Posted: 26 Aug 2020 11:08 AM PDT Like where did all that salt come from when they were formed? Very possibly been already asked before. If it has, please do leave a link to that thread. submitted by /u/UnplannedDissasembly [link] [comments]

Why can’t critical cases of COVID 19 be treated using vaccines that have passed stage 1 and 2 of trials? Posted: 26 Aug 2020 01:27 PM PDT submitted by /u/RemyMart23 [link] [comments]

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Could an identical twin who recovered from an infection donate some of their T-cells to the other twin as a form of vaccine?

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• Could an identical twin who recovered from an infection donate some of their T-cells to the other twin as a form of vaccine?
• If silver is cheaper than gold and also conducts electricity better why do major companies prefer to use gold conductors in computing units?
• After eating spicy food, why does drinking milk sometimes ease the spice more than drinking water?
• Does obesity have any significant effect on ovulation?
• What are the rates of false positives and false negatives with the different varieties of COVID testing?
• Ask Anything Wednesday - Engineering, Mathematics, Computer Science
• Why aren't we using high resolution, streaming cameras coupled with neural networks to identify drops in the stars' light levels to locate potential Near Earth Objects?
• How does the immune system knows what cells are "native" from one's that are "foreign"?
• Does the evidence so far indicate that SARS-CoV-2 causes brain infections at a greater rate or with greater severity than common viruses like seasonal influenza or HSV-1?
• How do zero g planes create weightlessness and hyper gravity?
• Is Zipf's law and Benford's law just essentially the same thing? Basically the 80/20 rule? What makes them different?
• Could cancer of an identical twin be contagious to the other twin?
• Why don't the T-Cells of a blood donor attack the recipient?
• Why do whales explode?
• I read that 2000-year-old seeds were germinated in Israel. I'll link the article. I'm wondering why don't seeds decay as all other things do?
• What would happen ecologically/environmentally if we were to somehow eradicate all mosquitoes?
• Why does adding a small amount of water to a powdered substance allow it to fully wet or dissolve, but adding a large quantity of water at once causes lumps to form?

Could an identical twin who recovered from an infection donate some of their T-cells to the other twin as a form of vaccine? Posted: 25 Aug 2020 04:07 PM PDT Could this work with any two people? I assume it would work best with identical twins since their lymphocytes would be genetically identical. submitted by /u/frisbeedog1 [link] [comments]

If silver is cheaper than gold and also conducts electricity better why do major companies prefer to use gold conductors in computing units? Posted: 26 Aug 2020 03:35 AM PDT submitted by /u/ShvoogieCookie [link] [comments]

After eating spicy food, why does drinking milk sometimes ease the spice more than drinking water? Posted: 26 Aug 2020 05:36 AM PDT submitted by /u/wrrise [link] [comments]

Does obesity have any significant effect on ovulation? Posted: 26 Aug 2020 03:33 AM PDT submitted by /u/gdjhsfj [link] [comments]

What are the rates of false positives and false negatives with the different varieties of COVID testing? Posted: 25 Aug 2020 09:58 PM PDT Hearing about the NFL and their 70+ false positives last weekend got me thinking about this and the data is surprisingly hard to find online. Many people discuss the relative effectiveness of these tests, but there's very little in the way of hard data. Considering that, percentage wise, a relatively tiny section of the population has COVID (just 0.22% in my county of LA, a hotspot), the prosecutor's fallacy shows that even with equivalent false negative and false positive rates, there'd be many more false positives than false negatives. Furthermore, how do we know that these "asymptomatic cases" are not just false positive tests? submitted by /u/ThePoshMushroom [link] [comments]

Ask Anything Wednesday - Engineering, Mathematics, Computer Science Posted: 26 Aug 2020 08:09 AM PDT Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Engineering, Mathematics, Computer Science 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]

Why aren't we using high resolution, streaming cameras coupled with neural networks to identify drops in the stars' light levels to locate potential Near Earth Objects? Posted: 26 Aug 2020 01:22 AM PDT Or, if we already are doing that to locate threatening asteroids, doe anyone have a good source to read? submitted by /u/firefeng [link] [comments]

How does the immune system knows what cells are "native" from one's that are "foreign"? Posted: 26 Aug 2020 05:32 AM PDT I understand that immune responses are triggered by bacteria and other foreign organisms, but how can the immune system know that a certain liver cell foreign or not? I also understand that in case of blood there's the whole ABO Rh system, but how does it work for things like liver, heart and kidneys ? submitted by /u/jpsacheti [link] [comments]

Does the evidence so far indicate that SARS-CoV-2 causes brain infections at a greater rate or with greater severity than common viruses like seasonal influenza or HSV-1? Posted: 25 Aug 2020 06:18 PM PDT Throughout the pandemic there have been a few clinical reports of neurological involvement in SARS-CoV-2 infections. https://jamanetwork.com/journals/jamaneurology/fullarticle/2764549 It has recently been shown that SARS-CoV-2 can infect human brain tissue. https://www.nature.com/articles/s41422-020-0390-x Does the evidence so far indicate that SARS-CoV-2 causes brain infections at a greater rate or with greater severity than seasonal influenza or HSV-1? submitted by /u/roboscrivener [link] [comments]

How do zero g planes create weightlessness and hyper gravity? Posted: 25 Aug 2020 03:08 PM PDT So I understand that zero G planes go in parabolas with specific trajectories that can simulate zero g and gravities of celestial bodies like mars but I do not understand how going up the parabola causes hyper gravity and coming down causes micro g or zero g. I am essentially asking for an explanation on how coming down the parabola causes weightlessness and going up causes hyper g. submitted by /u/sasanmounani [link] [comments]

Is Zipf's law and Benford's law just essentially the same thing? Basically the 80/20 rule? What makes them different? Posted: 25 Aug 2020 08:09 PM PDT Idk how to flair this bc it feels like it applies to... Everything? Learned about Benford's law today, which just sounds like zipfs law to me but different a bit. Like yes there's only 10 digits but if you converted into base 16 or base whatever it would follow Benford's law too in that base, right? And in that case it's just Zipf's law all over again. Right? Is there any research about converting numbers in nature to different number bases and seeing if they still follow Benford's law? Anything weird in any number bases? Any prime weirdness? But really I love this stuff, it makes me feel high or something when I'm 100% sober cause it feel just so mind-blowing to me. If you have any more info or references this stuff is seriously so exciting to me please give me more to read! submitted by /u/Julyaugustusc [link] [comments]

Could cancer of an identical twin be contagious to the other twin? Posted: 25 Aug 2020 10:32 PM PDT If one identical twin had cancer could their twin contract it from them? submitted by /u/selfservice0 [link] [comments]

Why don't the T-Cells of a blood donor attack the recipient? Posted: 25 Aug 2020 05:48 PM PDT I saw in an earlier post that T-Cells can attack an incompatible recipient causing "Graft Versus Host Disease." Do they remove the cells before transfusion? submitted by /u/masterb666 [link] [comments]

Why do whales explode? Posted: 25 Aug 2020 01:05 AM PDT submitted by /u/fushii_immo [link] [comments]

I read that 2000-year-old seeds were germinated in Israel. I'll link the article. I'm wondering why don't seeds decay as all other things do? Posted: 24 Aug 2020 10:00 PM PDT The Guardian submitted by /u/hyperlapse_ [link] [comments]

What would happen ecologically/environmentally if we were to somehow eradicate all mosquitoes? Posted: 24 Aug 2020 04:06 PM PDT submitted by /u/Venichee [link] [comments]

Why does adding a small amount of water to a powdered substance allow it to fully wet or dissolve, but adding a large quantity of water at once causes lumps to form? Posted: 24 Aug 2020 07:35 PM PDT Some examples: Adding water to flour to form a dough or cake mix. Adding water to a drink powder such a hot chocolate or coffee. submitted by /u/thatawesomeguydotcom [link] [comments]

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Horses' lifespan is severely affected from being injected with spider venom for anti-venom production. Why does it happen, and does something similar happen to people bitten by spiders?

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• Horses' lifespan is severely affected from being injected with spider venom for anti-venom production. Why does it happen, and does something similar happen to people bitten by spiders?
• How do chemical reactions occur at relatively low temperatures if typical bond energies are so high?
• How will this flu season affect the current COVID-19 situation?
• Is there an ideal time to get a flu shot? Is it possible to get one so early that it loses its effectiveness before flu season is at its peak? On the other hand, is it possible to wait too late in the season for it to do any good?
• Do sea levels fluctuate over the seasons due to water trapped in land ice?
• In a typical thermonuclear bomb, is all fissile material from the primary fully expended by the time fusion begins in secondary/tertiary stages?
• Does the mutations in SARS-CoV-2 affect the development of the vaccine?
• Why do children not spread covid as well as adults ?
• Are vaccines usually conferring sterilizing immunity?
• Simple question, are members of the subfamily Pantherinae (tigers, jaguars, clouded leopards etc) considered 'feline'?
• [Biology] How do animals, both mammal and non-mammal handle eating active, living prey?
• How is the diameter of the universe greater than the age of the universe if nothing is faster than the speed of light?
• How do we measure the energy released by cosmic explosions?
• How is ear wax produced?
• What is a brain freeze ?
• Is it possible to harvest the CMBR energy and use it?
• What does each scientific classification or taxonomic rank mean?

Horses' lifespan is severely affected from being injected with spider venom for anti-venom production. Why does it happen, and does something similar happen to people bitten by spiders? Posted: 24 Aug 2020 06:17 PM PDT Quote: Unsurprisingly, being injected with brown spider venom has an effect on the horses' health over time. Their lifespan is reduced from around 20 years to just three or four. source I understand the damage is probably cumulative over time, yet the reduction in lifespan is extreme. I find it interesting that they can survive the venom and develop the "anti-venom" to it, but they still suffer from this effect. What is the scientifical reason for this to happen and can people suffer from the same effect from spider bites, albeit in a minor form due to probably much less venom being injected? submitted by /u/Teriose [link] [comments]

How do chemical reactions occur at relatively low temperatures if typical bond energies are so high? Posted: 25 Aug 2020 07:04 AM PDT My understanding is that when molecules interact with each other and form other molecules what first has to happen is that chemical bonds need to be broken before they can be reformed. Looking at various tables for the bond energies of common bonds they're usually listed in kJ/mol or eV, in the latter case being listed as several eV. My understanding is also that an energy of 1 eV is associated with a temperature of around 11,000 K. Since bonds are listed with strengths of several eV, wouldn't that mean that you'd need to heat compounds up to several tens of thousands of degrees to break them? That clearly doesn't happen in everyday scenarios or when chemists heat up samples for experiments, so what's my misunderstanding with all this? submitted by /u/Tasty_Peach5791 [link] [comments]

How will this flu season affect the current COVID-19 situation? Posted: 24 Aug 2020 10:08 AM PDT I'm not very knowledged on how viruses work, but would the chance of mutation increase if there are other viruses present in the immune system? If so, how severe/mundane could this turn out? submitted by /u/sleezysaul [link] [comments]

Is there an ideal time to get a flu shot? Is it possible to get one so early that it loses its effectiveness before flu season is at its peak? On the other hand, is it possible to wait too late in the season for it to do any good? Posted: 24 Aug 2020 11:35 AM PDT submitted by /u/switchfootball [link] [comments]

Do sea levels fluctuate over the seasons due to water trapped in land ice? Posted: 24 Aug 2020 03:13 PM PDT My understanding is that sea ice doesn't really change that much in terms of sea level but that land ice does as water is locked up on land. Since most land is in the north, do sea levels go down in the northern winter at all and up in the northern summer? submitted by /u/P0llic3V3rs0 [link] [comments]

In a typical thermonuclear bomb, is all fissile material from the primary fully expended by the time fusion begins in secondary/tertiary stages? Posted: 24 Aug 2020 09:05 AM PDT submitted by /u/tribecous [link] [comments]

Does the mutations in SARS-CoV-2 affect the development of the vaccine? Posted: 24 Aug 2020 06:15 PM PDT submitted by /u/Newey19-1 [link] [comments]

Why do children not spread covid as well as adults ? Posted: 24 Aug 2020 04:46 PM PDT With schools opening up in the UK , the government are saying the science is saying, transmission rate among children is low. Why is it low for children and not adults? Why is this getting downvoted... submitted by /u/boi_2100 [link] [comments]

Are vaccines usually conferring sterilizing immunity? Posted: 24 Aug 2020 09:10 AM PDT I have been reading a lot about the recent development of COVID-19 vaccines and the discussion about how good it's going to protect us and I started to wonder wether vaccines usually confer sterilizing immunity or not? Is it normal to be immune but still being able to shed a virus (maybe in reduced amounts) or are vaccines normally sterilizing so you can't infect anybody after your body has developed immunity/antibodies. Is it normal to be completely not spreading anything anymore after being vaccinated or do you rather just gain immunity for yourself so you don't get sick? Wich vaccine does what specifically? I couldn't really find anything about this topic on google. Thank you very much! submitted by /u/avocado0286 [link] [comments]

Simple question, are members of the subfamily Pantherinae (tigers, jaguars, clouded leopards etc) considered 'feline'? Posted: 24 Aug 2020 04:14 AM PDT The family Felidae (cats) is split into two extant subfamilies, Pantherinae and Felinae, so I would assume that even though they are cats, members of Pantherinae would technically not be 'feline' (although they would be felids). Googling this just comes up with "feline = cat" which isn't totally clear submitted by /u/KTbadger [link] [comments]

[Biology] How do animals, both mammal and non-mammal handle eating active, living prey? Posted: 24 Aug 2020 01:55 AM PDT As a human, I can't imagine eating an entire living organism whole, and NOT experience severe indigestion. What with it still alive, for a time, in my stomach wiggling about. So how do animals tolerate this? submitted by /u/Soapiestlyric4 [link] [comments]

How is the diameter of the universe greater than the age of the universe if nothing is faster than the speed of light? Posted: 24 Aug 2020 05:04 AM PDT submitted by /u/junior77774u [link] [comments]

How do we measure the energy released by cosmic explosions? Posted: 24 Aug 2020 02:32 AM PDT So, a friend of mine sent me a post about how there was an energy outburst by a binary collapsing, and the caption said that the energy released was equivalent to 10 trillion atom bombs or some other really crazy number like that. How do we calculate these large numbers? How accurate are they? ​ My intuition says that we already know how much energy an ordinary atom vomits up, so we could just compare the energy released by one atom to the energy released by the stars, but this is just a guess. I would love it if you guys could explain it this to me, or just direct me towards a relevant article. submitted by /u/legend_noob [link] [comments]

How is ear wax produced? Posted: 24 Aug 2020 01:07 AM PDT submitted by /u/lemonpeachhh [link] [comments]

What is a brain freeze ? Posted: 24 Aug 2020 12:21 AM PDT submitted by /u/that-gostof-de-past [link] [comments]

Is it possible to harvest the CMBR energy and use it? Posted: 24 Aug 2020 07:36 AM PDT submitted by /u/i_never_ever_learn [link] [comments]

What does each scientific classification or taxonomic rank mean? Posted: 24 Aug 2020 02:19 AM PDT submitted by /u/KaizenCyrus [link] [comments]

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