What is the theoretical maximum depth of the ocean? |
- 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? [link] [comments]  |
| Posted: 27 Aug 2020 06:10 AM PDT |
| 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. [link] [comments]  |
| 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? [link] [comments]  |
| What is physically different inside monitors that support 60hz vs 144hz? Posted: 27 Aug 2020 06:18 AM PDT |
| 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. [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? [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? [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? [link] [comments]  |
| Posted: 27 Aug 2020 03:42 AM PDT |
| 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? [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. [link] [comments]  |
| 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. [link] [comments]  |
| Posted: 26 Aug 2020 11:55 PM PDT |
| 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. [link] [comments]  |
| 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 [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. [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. [link] [comments]  |
| Posted: 26 Aug 2020 01:27 PM PDT |
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