Can depression affect your memory? |
- Can depression affect your memory?
- If spaceships actually shot lasers in space wouldn't they just keep going and going until they hit something?
- AskScience AMA Series: We're the team behind CAPSTONE, the spacecraft testing the orbit for NASA's future lunar space station! Ask us anything!
- How does acid burn skin on a molecular level?
- Does antimicrobial resistance (AMR) apply to viruses? Or is it just a bacteria thing?
- During the various eras in which dinosaurs existed, and any eras in which megafauna existed, did these eras have less specie diversification or is it more likely that less examples of species diversification was preserved via fossilisation?
- Do batteries in a device which remains idle degrade faster than batteries not in a device?
- Is Obstructive Sleep Apnea a unique muscular phenomenon?
- Do we still have antibodies in our bodies from vaccination that fight polio, measles, and other viruses?
- Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology
- what types of magnetic beads can use in nucleic acid extraction? / can all types of magnetic beads use in this process?
- Does the inverse square law apply to lasers?
- If the deepest we have drilled into earth is 7.5 miles, not exceeding earths crust, how do we have detailed descriptions/illustrations of what the other of the thousands of miles look like? For example earths core, the mantle and inner core.
- How are loops, TADs and chromosome compartments different? How are they formed? How do they affect gene activity?
- Why is Icthyostega credited so often as the first land animal? Weren't arthropods and insects there first?
- Why do inbred strains require "at least 20 generations" to be considered clones?
- As an up-regulator of the anti-inflammatory molecule IL-10, what are the practical barriers to installing helminths as a treatment for inflammatory conditions?
- Why is food intake associated with an increase in heart rate even though digestion is controlled by the parasympathetic nervous system which is supposedly decreasing heart rate?
| Can depression affect your memory? Posted: 18 May 2022 06:46 AM PDT Im doing my exams n I know the topics pretty well but I keep making small mistakes while writing down my formulae even when I know the correct one it's like my head is somewhere else when I'm noting it down. Sometimes I forget the names of the topics. I've never been this way and this is happening to me all of a sudden. I've been quite depressed these days but I'm coping with it . I jus wanted to know if my depression has anything to do with me forgetting small details in my studies. I don't want it to affect my grades :/ [link] [comments] |
| Posted: 17 May 2022 12:56 PM PDT Imagine you're an alein on space vacation just crusing along with your family and BAM you get hit by a laser that was fired 3000 years ago from a different galaxy. [link] [comments] |
| Posted: 18 May 2022 04:00 AM PDT Before NASA's Artemis astronauts head to the Moon, a microwave oven-size spacecraft will help lead the way. The Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment, or CAPSTONE, is a CubeSat mission launching no earlier than May 31, 2022. For at least six months, the small spacecraft will fly a unique elongated path around the Moon. Its trajectory - known as a near rectilinear halo orbit - has never been flown before! After it's tried and tested by CAPSTONE, the same orbit will also be home to NASA's future lunar space station Gateway. CAPSTONE's flight will provide valuable data about this orbit that could support future missions to the Moon and beyond, helping to launch a new era of human space exploration. Commercial partner Rocket Lab will launch CAPSTONE, and small business partner Advanced Space will operate the mission. We are:
Ask us anything about:
We'll be online to answer questions on Wednesday, May 18 from 1:00-2:30 pm PT (4:00-5:30 pm ET, 8:00-9:30 pm UTC) and will sign our answers. See you then! PROOF: https://twitter.com/NASAAmes/status/1526246040671858689 Username: /u/nasa [link] [comments] |
| How does acid burn skin on a molecular level? Posted: 18 May 2022 08:11 AM PDT Burn doctors please share your wisdom! We already tried googling it and got very surface level info. Our super awesome biochemist suggested we ask a burn doctor. Drug scientists here! We are wondering how exactly acids burn skin. Like why does it hurt? What part is corroded and how? After a quick Google and some discussions on peptide bonds, we're pretty sure it targets the proteins, but whether that's just the side chains or it also targets the peptide bond, we'd need to waste a day and some money to figure that out. And still would only get a partial answer. I figured I'd ask here instead of make my second bonkers request to my PI over the span of a month, considering this is not at all what our lab's research is on. Also, is it just the proteins or does it mess with other biomolecules too? I'd think anything that could be protonated would be affected. But some are more stable to that than others or are harder to protonate in the first place so idk if that would matter? Thank you for answering our question! [link] [comments] |
| Does antimicrobial resistance (AMR) apply to viruses? Or is it just a bacteria thing? Posted: 18 May 2022 02:24 AM PDT I understand the general concept of AMR and how it arises when microorganisms gain resistance against antibiotics. It seems many AMR cases involve bacteria though, like E. coli. Can and do viruses also become resistant to antimicrobials? [link] [comments] |
| Posted: 18 May 2022 07:44 AM PDT My son recently asked me the above question (albeit as well as a 5 year old could articulate the question), as his teacher told him that we have discovered over 1,000 different species of dinasaurs from the various periods. My son thought this number was very low and that how do we know there weren't 10x that and we just don't have proof? Is it a case of survivorship bias, in that we only have evidence of those preserved, or is it that during megafauna periods, there are simply less species because food is abundant enough to not need to evolve? [link] [comments] |
| Do batteries in a device which remains idle degrade faster than batteries not in a device? Posted: 18 May 2022 06:05 AM PDT |
| Is Obstructive Sleep Apnea a unique muscular phenomenon? Posted: 18 May 2022 05:58 AM PDT If Obstructive Sleep Apnea is the situation where, while asleep, the muscles/soft tissues at the back of the throat "relax" or lose muscle tone, but are able to work properly when the person awakens, does this happen with any other muscle group in the body during sleep? If not, what is unique about the muscles in the throat for these patients? Why is this "relaxing" only occurring there during sleep? [link] [comments] |
| Posted: 18 May 2022 06:22 AM PDT I keep hearing about how our COVID antibodies wane, and I was wondering if this was the case for other viruses [link] [comments] |
| Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology Posted: 18 May 2022 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! [link] [comments] |
| Posted: 18 May 2022 03:41 AM PDT |
| Does the inverse square law apply to lasers? Posted: 18 May 2022 01:04 AM PDT So I saw this Post on this subreddit, and that got me thinking, does the inverse square law apply to lasers? I did a quick google search and it said no, so how is a lasers diffraction different to normal light? [link] [comments] |
| Posted: 17 May 2022 04:45 PM PDT |
| Posted: 18 May 2022 03:26 AM PDT I have a hard time separating the different models and levels of chromosome compaction. My understanding so far, which I ask to be corrected on: Questions are marked like this Loops are extruded by the cooperation of condensin and cohesin, but either one is sufficient for visible compaction in single molecule assays. If condesin is the motor and cohesin the anker, how? Extrusion tends to physically halt at binding sites for CTFC transcripton factor in an orientation-dependent manner. What if two cohesins bump into each oher before CTFC? Cohesin 1 sits at the base of smaller loops, whereas cohesin 2 at larger loops. By stacking small loops into and onto large loops, cohesins cluster at a helical chromosome scaffold, where cohesin 2 sits on the inside. Does this scaffold interact with other components? Without loop extrusion, DNA decondenses while similar sequences may aggregate through phase separation e.g. superenhancers. Why the aggregation? TADs or topologically associated domains are the manifestation of loops detected through Hi-C. They are flanked by CTFC binding sites. Are CTFC binding sites also found within TADs thus containing multiple sub-loops? Compartments are a higher level of compaction also detectable through Hi-C that persist even after the eliminiation of cohesin and TADs. They emerge epigenetically. How? They have nothing to do with condensin 2, right? Chromosome compaction generally downregulates gene expression. Loop extrusion disturbs the interaction of trans-acting superenhancers, but facilitates the function of cis-acting enhancers. Right? Compartments may be transcriptionally active or inactive and transit between the two states. How? [link] [comments] |
| Posted: 17 May 2022 09:09 PM PDT From what I've been able to find, bugs like Arthropods and arachnids were the first to colonize the land. Which would make sense to me, as they seemed more readily adapted to move to land. Yet countless credible sources constantly cite Ichthyostega as the first land animal and the go on about mammalian and reptilian evolution. I guess my follow up question would also be, what did the evolutionary line of arthropods look like as they moved to land? [link] [comments] |
| Why do inbred strains require "at least 20 generations" to be considered clones? Posted: 18 May 2022 07:59 AM PDT According to Wikipedia, " A strain is inbred when it has undergone at least 20 generations of brother x sister or offspring x parent mating ... and each individual can be treated effectively as clones." But clones (or identical twins) are normally defined in terms of the coefficient of relationship, and my understanding is that many successive generations of inbreeding between first-degree relatives causes the COR to increase at a rate of exponential decay (1/2+1/4+1/8+1/6). In which case, the COR would be ~98.4% after only 5 generations of this, not 20. What am I missing? [link] [comments] |
| Posted: 18 May 2022 07:18 AM PDT |
| Posted: 18 May 2022 07:06 AM PDT There are a couple of things I have trouble understanding. Maybe you can clear up my thinking?
Where do I get confused? Is food intake associated with recovery or not? [link] [comments] |
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