What is happening physiologically when you have a “knot” in a muscle? |
- What is happening physiologically when you have a “knot” in a muscle?
- How do we Change the Pitch and Sound of our Voices?
- How can SmartWatches measure the blood pressure?
- When your throw up due to Noro virus, is this at all beneficial for our body in fighting the virus, or is it just a vector for it to spread?
- Why do some metals rust and some dont?
- How are autopsies performed on bodies that have been dead for many years?
- Why do so many animals have yellow eyes? Does the color of an animal's eye indicate anything about the eye's structure?
- Sleep: at which level of complex of an organism, regular sleep become necessary?
- Do any prey animals fake(feign) disease or infection to deter predators?
- Is HPV actually harder to clear after 30, or is it just a statistics thing?
- Does the ISS always follow the same path?
- What causes yours eyes to hurt when you are exposed to bright light?
- Why does quartz come in so many different shapes and colors?
- Does (and how does) loss of taste or smell due to Covid or other causes affect people with synesthesia?
- with the HIV MRNA vaccine going into testing, how are they going to figure out if it actually works?
- If mRNA is so unstable, why doesn't body heat degrade it after it enters the body?
- do all humans have one form or another of parasites (parasitic worms) inside their bodies?
- What happens to a sound wave when it makes contact with the inner ear? Is it absorbed? Or does it bounce back and distort/color other incoming sound waves?
- How do cells know to divide in such a way to create tubular shapes like blood vessels ?
- Is “long covid” the same or similar to other post-viral syndromes?
- What is the impact of COVID 19 on sperm and developing fetus?
- Does the position of the moon have any measurable effects in the Earth's magnetic field in respect of any place on the Earth's surface as it moves about its orbit?
- Why is clonidine, a CNS depressant, effective for managing ADHD if stimulants are too?
- Is there any relation between children with mental ilness and their fathers being addicted smokers?
| What is happening physiologically when you have a “knot” in a muscle? Posted: 27 Feb 2022 03:21 PM PST |
| How do we Change the Pitch and Sound of our Voices? Posted: 27 Feb 2022 09:14 AM PST I was pondering as to how we change the tone and pitch of our voices. I was thinking we somehow change some sort of frequency in our vocal cords but I wanted to see if anyone knows. [link] [comments] |
| How can SmartWatches measure the blood pressure? Posted: 26 Feb 2022 10:37 AM PST |
| Posted: 27 Feb 2022 01:07 PM PST |
| Why do some metals rust and some dont? Posted: 27 Feb 2022 11:47 AM PST |
| How are autopsies performed on bodies that have been dead for many years? Posted: 27 Feb 2022 02:53 PM PST I recently read a book (fiction) where a character was murdered and the body, which was hidden in the trunk of a car the whole time, was not found for around 40 years. An autopsy was performed and the cause of death was determined to be two stab wounds. How would such causes of death be determined if a body has decomposed significantly? [link] [comments] |
| Posted: 26 Feb 2022 09:45 AM PST |
| Sleep: at which level of complex of an organism, regular sleep become necessary? Posted: 27 Feb 2022 04:56 AM PST Is there some sort of threshold, where an organism is so complex or/and intelligent that regularly sleep is necessary? Or do even single-cell organism sleep? I could imagine that the definition of sleep might be crucial here. I would boil it down to the need of a regular maintenance mode, where the body needs to shut down several functions, i.e. is not fully operational. As a bonus: where/when did sleep arise in the evolution of biologic life? [link] [comments] |
| Do any prey animals fake(feign) disease or infection to deter predators? Posted: 27 Feb 2022 08:32 AM PST I was thinking about the "zombie deer" video of the deer running in circles and was wondering if any prey animals ever feign disease or infection to ward off potential predators. Like maybe a lion wont eat a zebra if it starts moving erratically or something. [link] [comments] |
| Is HPV actually harder to clear after 30, or is it just a statistics thing? Posted: 27 Feb 2022 07:33 AM PST Some Googling reveals that 9/10 people clear an HPV infection within 2 years. However, it also says that HPV is less easily cleared after 30. But is this due to the fact that the immune system suddenly dips when you're 30? (AFAIK know the immune system is pretty stable until like 50?) Or is it just a statistics thing: i.e. most people get HPV in their twenties and clear it, so the people with more persistent infections are overrepresented after 30? The sources really do not specify. [link] [comments] |
| Does the ISS always follow the same path? Posted: 27 Feb 2022 09:21 AM PST Is it always the same circle so it always flies over the same city and so on does it change? [link] [comments] |
| What causes yours eyes to hurt when you are exposed to bright light? Posted: 27 Feb 2022 08:33 AM PST |
| Why does quartz come in so many different shapes and colors? Posted: 26 Feb 2022 09:15 AM PST I was recently in a museum of natural history, and as I was walking through the rocks and minerals section, I noticed that a bunch of seemingly completely different crystals were actually one and the same thing: quartz. I was puzzled by this, since it seems like there's only a finite number of ways to arrange one silicon atom and two oxygen atoms. Does quartz then have any unique properties that lend themselves to this incredible variability? I noticed that others minerals (e.g., pyrite) looked the same no matter what context they were in, which is what I'd expect. Thanks for any insight you can provide! [link] [comments] |
| Posted: 26 Feb 2022 08:26 AM PST Synesthesia is the condition whereby people experience sensations through other senses. For example, somebody might hear colours or see music. I'm wondering specifically about people whose senses of taste or smell are activated through other stimuli; if they lose the ability to taste or smell, does that include tastes and smells triggered through those stimuli? [link] [comments] |
| with the HIV MRNA vaccine going into testing, how are they going to figure out if it actually works? Posted: 26 Feb 2022 02:57 PM PST I'm asking since i'm pretty sure they won't reuse needles or find an HIV positive person for the test subject to have unprotected sex with [link] [comments] |
| If mRNA is so unstable, why doesn't body heat degrade it after it enters the body? Posted: 27 Feb 2022 02:41 PM PST |
| do all humans have one form or another of parasites (parasitic worms) inside their bodies? Posted: 27 Feb 2022 08:43 AM PST |
| Posted: 26 Feb 2022 09:41 PM PST |
| How do cells know to divide in such a way to create tubular shapes like blood vessels ? Posted: 27 Feb 2022 08:43 AM PST |
| Is “long covid” the same or similar to other post-viral syndromes? Posted: 26 Feb 2022 10:58 AM PST I have been very interested in learning about long haul covid. To my understanding other viruses such as malaria can cause long term symptoms like fatigue and intense pain. A lot of these stories sound similar to the experiences of long COVID patients. Could past research into post-viral syndrome give us clues into how we might treat long haulers? (I am a bit unsure if this is the wrong subreddit to ask this question. Mods feel free to remove if it's not the right place.) [link] [comments] |
| What is the impact of COVID 19 on sperm and developing fetus? Posted: 27 Feb 2022 07:52 AM PST I'm considering becoming pregnant. We haven't caught covid-19 yet (triple vaxxed in Dec '21), although it's very likely we will within the next year. I'm wondering can COVID-19: 1) Damage the DNA in sperm; 2) Cause birth defects or other long-term reprecussions for the child if the mother catches COVID during pregnancy; 3) The likelihood that a fourth vaccine will be offered to people 6+ months after the third vaccine Thank you. [link] [comments] |
| Posted: 26 Feb 2022 08:04 AM PST |
| Why is clonidine, a CNS depressant, effective for managing ADHD if stimulants are too? Posted: 26 Feb 2022 10:36 PM PST Stimulants such as methylphenidate increase the activity of sympathetic neurotransmitters like norepinephrine, and this is cited to be their primary mechanism of action, whereas clonidine decreases the activity of sympathetic neurotransmittion by decreasing norepinephrine. How can they both be used to manage ADHD then? [link] [comments] |
| Is there any relation between children with mental ilness and their fathers being addicted smokers? Posted: 27 Feb 2022 04:32 AM PST So I recently read some news about the relation between mental ilness and older fathers. Older fathers tend to have more often kids with mental illness than people without and it is thought that this is due low sperm cells quality. So I know that smoking reduce sperm cells number and quality . My question is : Is there any study that shows a relation between addicted smokers and their children having more often mental ilness? [link] [comments] |
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