AskScience AMA Series: Summer is tick season. We are experts on the science of Lyme disease (and other tickborne illnesses), and we are here to answer your questions. AUA! |
- AskScience AMA Series: Summer is tick season. We are experts on the science of Lyme disease (and other tickborne illnesses), and we are here to answer your questions. AUA!
- Why does it hurt when you put alcohol or peroxide on a wound?
- Did all winged insects evolve from a common winged insect, or did wings evolve multiple times in insects?
- How does a yagi antenna work? None of my education prepared me for the Wikipedia article.
- How significantly do plastic dental appliances, things like retainers, Invisalign, or night guards, contribute to the build up of microplastics in the body?
- I read that there are high concentrations of interstellar dust and gas near the center of the galaxy that make it difficult to resolve stars. If Earth were orbiting a planet very near to the galactic center, would space appear “hazy” instead of clear and black?
- Do fish have set number of eggs for life?
- I searched, and cannot find the answer to: which of our eight planets is the newest?
- What is meant by "clinical effect" and "domains" in this context?
- How big of an advantage does high-altitude training actually give to athletes? (say, at 2-2.5 km above mean sea level so with 20-25% less oxygen)
- When is a rock considered to be “born”?
- Are medicin effects different in transpeople that take hormones compared to their assigned sex at birth?
- If all drugs have a half-life, how can the body ever truly eliminate a drug?
- When a star runs out of fuel and collapses, does it happen all at once or does is slowly “deflate?”
- Which (if any) gorgonopsids have horns?
- How does smell work?
- What is the shallowest ocean trench?
- Why wouldn't plasma propulsion work within the atmosphere of the earth?
- How were the Columbia, Fraser, Klamath and Pit Rivers able to work their way through mountain ranges? Are there any other examples out there too?
- Are There Any Diseases That Can Destroy Prokaryote Cell Walls?
- How do i differentiate between Protista and Fungi cells?
- Why do specific variants of COVID19 become dominant over other variants?
| Posted: 06 Jun 2022 04:00 AM PDT Lyme disease, an infection caused by the bacterium Borrelia burgdorferi that is primarily transmitted by Ixodes scapularis (also known as blacklegged or deer ticks), affects between 30,000 and 500,000 Americans every year. Beyond the characteristic erythema migrans ("bullseye") rash, symptoms range from arthritis to damaging nervous and cardiac systems. With so many cases every year, it is imperative that everyone learn what steps can be taken to minimize and prevent Lyme disease infections while also getting up to date on the current scientific and medical interventions being used to treat and cure Lyme disease in infected individuals. Join us today at 2 PM ET (18 UT) for a discussion, organized by the American Society for Microbiology, about all aspects of Lyme disease (and other tickborne diseases). We'll take your questions and discuss what people can do to prevent Lyme disease, how Lyme disease is best diagnosed and treated, and what to do if you suspect that you have Lyme disease. Ask us anything! With us today are:
Links:
Please note that we will NOT be making medical diagnoses or recommending any medical treatments or procedures for individuals. [link] [comments] |
| Why does it hurt when you put alcohol or peroxide on a wound? Posted: 05 Jun 2022 06:24 PM PDT |
| Posted: 06 Jun 2022 01:39 PM PDT For example, are winged beetles related to wasps through a winged common ancestor? [link] [comments] |
| How does a yagi antenna work? None of my education prepared me for the Wikipedia article. Posted: 06 Jun 2022 08:10 AM PDT You'd think something that looks so simple (three rods on a pole) wouldn't have a Wikipedia article that reads like something out of a Startrek technical manual. [link] [comments] |
| Posted: 05 Jun 2022 07:03 AM PDT |
| Posted: 05 Jun 2022 12:15 PM PDT Likewise, would the same apply to a planet within a nebula? If the affect wouldn't be enough to make a difference visible to the naked eye, are we inside a nebula or some gas "cloud" ourselves? [link] [comments] |
| Do fish have set number of eggs for life? Posted: 06 Jun 2022 07:19 AM PDT |
| I searched, and cannot find the answer to: which of our eight planets is the newest? Posted: 05 Jun 2022 04:45 PM PDT |
| What is meant by "clinical effect" and "domains" in this context? Posted: 06 Jun 2022 06:23 AM PDT Hi! I am studying a program in Sweden which will allow me to work as a counsellor. I'd be super grateful if anybody wants to take time out of their day to help me! :) A study can be found if searched for via google, with the title: Positive Effects of Methylphenidate on Social Communication and Self-Regulation in Children with Pervasive Developmental Disorders and Hyperactivity It's on the website of NCBI. Within the study, under 'Discussion', in the last paragraph, the word "clinical effect" is mentioned: "the greatest clinical effect was seen with the medium dose" (Jahromi., et al 2008). Precisely what is meant by "clinical effect" in that context? Another sentence found in the last paragraph under discussion is: "there may be greater disparity in dose-response across different domains for optimal change" (Jahromi., et al 2008). Precisely what is meant by "domains"? Thanks in advance! [link] [comments] |
| Posted: 06 Jun 2022 03:46 AM PDT According to an air pressure calculator I found on Google, the air at 2 km above MSL would be about 0.8 atm and at 2.5 km above MSL it would be about 0.75 atm. As per my understanding, getting 20-25% less oxygen per breath would mean that a high-altitude athlete's body would have more RBCs, bigger lungs, and a bigger heart, and that should give a noticeable advantage to the high altitude athlete. But from personal experience (as someone who is rather unfit, and has always lived in coastal cities), when I visited a hill station at 2.25 km above MSL I didn't really notice anything that made me breathe faster or deeper, so I guess the 20-25% less oxygen actually translates to just about 5% more breathing and 5% less physical strength. So, suppose we take two athletes:
And suppose both athletes are capable of doing the same sports with identical performance in their hometowns. I agree that the high-altitude athlete would have the advantage when competing, regardless of whether the athletes were competing at sea level or at high altitude, but suppose we were to have a way to accurately measure peak strength and endurance as two separate parameters. How big would the advantage (in each of the two parameters) realistically be in favour of the high-altitude athlete, if both of them were competing at mean sea level? My guess is that peak strength is equal and the high-altitude athlete has maybe 10% more endurance. (if endurance is measured as "how long the athlete can do some exercise at a given intensity level for") Note: I've chosen the 2-2.5 km range because the highest major cities in my country and in the USA are in that altitude range Note 2: I made a similar post 2 hours ago but since that post was removed by Reddit's spam filters for linking to the air pressure calculator, I am reposting this and deleting that post. [link] [comments] |
| When is a rock considered to be “born”? Posted: 04 Jun 2022 01:59 PM PDT You often hear that a rock is 1 billion years old or 300 million years old or whatever age it may be. What is the starting point for a rock's age? I assume it might vary based on the type of rock, like maybe volcanic rocks are "born" when they emerge from a volcano, or sedimentary rocks are "born" when they harden from whatever swampy material they were before, but I'm not sure, and Googling mainly tells me that Dwayne Johnson was born in 1972, which is interesting but not helpful. Since just about every rock is made of material that has been around since the Big Bang, it's confusing to know what science considers the start of a rock's existence. What defines a rock's birthday? [link] [comments] |
| Posted: 06 Jun 2022 05:58 AM PDT So I tried to find some information on this topic, especially the difference between medical reactions observed between male and female (Biological not Gender), and how transitioning can change reactions to treatment. What I found was this " Pharmacodynamic differences in women include greater sensitivity to and enhanced effectiveness of beta blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics. Additionally, women are 50 to 75 percent more likely than men to experience an adverse drug reaction. " So my question is, does transitioning with hormones (lets say a Transwoman/ Male to Female) have an effect on how the body reacts to medical treatment? Also other interesting things I would like to know regarding that topic, are there differences in blood values between male and female, and how do transpeople get evaluated with that in mind. (I would greatly apreciate it if you could also link studies if they exist, I tried to find studies, but couldnt find any and I dont know how to find them if they exist. I know that it could probably be a topic that is not well researched). [link] [comments] |
| If all drugs have a half-life, how can the body ever truly eliminate a drug? Posted: 06 Jun 2022 05:12 AM PDT Do we still have 1/1,073,741,824th of that drug we took 10 years ago still coursing through our veins? [link] [comments] |
| When a star runs out of fuel and collapses, does it happen all at once or does is slowly “deflate?” Posted: 05 Jun 2022 04:29 PM PDT |
| Which (if any) gorgonopsids have horns? Posted: 05 Jun 2022 05:51 PM PDT I'm looking for inspiration to draw something and gorgonopsids and synapsids in general have started to captivate me and I've started to wonder, which ones had horns? I'm talking about those similar to horns we see today like in undulates. [link] [comments] |
| Posted: 05 Jun 2022 04:02 AM PDT At an interested engineer, totally not a biologist level, I can smell things. When I try to understand how smell works, though, I get confused. I've heard a couple of answers which I'm not convinced by, so thought I'd get some clarity.
What am I missing? Am I overthinking it all, missing something obvious? I mean it seems like something we should know, but I'm not seeing consensus. Thanks for your ideas about this, it's troubled me a while! [link] [comments] |
| What is the shallowest ocean trench? Posted: 05 Jun 2022 10:22 PM PDT You often hear about the Mariana trench being the deepest trench in the world but which one is the least? Google doesn't seem to provide a good answer on the subject and my searches were dominated with the "deepest" results and unrelated things. [link] [comments] |
| Why wouldn't plasma propulsion work within the atmosphere of the earth? Posted: 05 Jun 2022 08:33 AM PDT Well, the question in the title? Why wouldn't it work? What's the physics behind the not working? Not enough force to cause an action-reaction? Thanks in advance! [link] [comments] |
| Posted: 05 Jun 2022 08:14 AM PDT |
| Are There Any Diseases That Can Destroy Prokaryote Cell Walls? Posted: 05 Jun 2022 06:22 AM PDT Good morning from Atlanta, I am a college student studying History, though I am also interested in Biology and taking a course with a lab this Summer. I am learning about Prokaryotic vs Eukaryotic organisms and their functions and noted that a key difference is that most Prokaryoteshave a cell wall to protect them from bursting due to water absorption. I also remember from prior knowledge knowing that our intestines contain a bunch of prokaryotes to aid in breaking down waste, etc. I was curious and didn't want to bother my professor with these random questions that pop up as I'm reading the textbook, so I figured I'd turn to you kind folks on here to enlighten me on this random burning question of mine: Are there any diseases that can damage/destroy the cell walls of prokaryotes, causing them to absorb water throughout the body, i.e. the intestines and burst? Thanks! [link] [comments] |
| How do i differentiate between Protista and Fungi cells? Posted: 05 Jun 2022 06:45 AM PDT |
| Why do specific variants of COVID19 become dominant over other variants? Posted: 05 Jun 2022 10:39 AM PDT My girlfriend and I were having a heated discussion about this. I was adamant it was based on the fitness of a given variant, but I struggled to explain how that actually plays out in the real world. She had other ideas that I won't try to explain as I wouldn't be doing her justice. Can anyone explain this to us, ideally with some actual research papers backing points up? Ideally with real world examples, e.g. why was Delta pushed out by Omicron and how that plays out on a smaller scale, e.g. even within a single host, and how that interaction changes thing in small but significantly as the macro level. Any help, pointers, etc would be appreciated. [link] [comments] |
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