Are there viruses that infect, reproduce, and spread without causing any ill effects in their hosts? |
- Are there viruses that infect, reproduce, and spread without causing any ill effects in their hosts?
- AskScience AMA Series: Hello, Reddit! I'm Steven Munger, director of the University of Florida Center for Smell and Taste. I'm here to discuss the latest findings regarding losing your sense of smell as an early sign of COVID-19 - and what to do if it happens to you. Ask Me Anything!
- Are antibodies sexually transmitted?
- Why being exposed to sunlight “gives” us vitamin D?
- Why is an LTI-system completely characterised by its impulse response?
- For how long an average insect sleeps?
- Why do ocean waves still move towards the shore at a beach even if the wind is blowing offshore?
- If viruses aren't alive, what do scientists mean when they say the coronavirus can live on surfaces for hours?
- Why are frozen meals often extremely high in sodium?
- Which vaccines grant lifelong immunity and why?
- If we know an asteroid's mass and velocity, why does it have a "chance" of hitting the Earth?
- Question: Can a virus move on a surface?
- If someone has had the chicken pox vaccine, can they still get shingles later in life?
- How does a plant determine where a branch should... well, branch off?
- If you have asymptomatic Covid-19 will your body still develop immunity to the virus?
| Are there viruses that infect, reproduce, and spread without causing any ill effects in their hosts? Posted: 30 Mar 2020 03:06 PM PDT |
| Posted: 31 Mar 2020 04:00 AM PDT Loss of smell can occur with the common cold and other viral infections of the nose and throat. Anecdotal reports suggest the loss of smell may be one of the first symptoms of COVID-19, at least in some patients. Doctors around the world are reporting that up to 70% of patients who test positive for the coronavirus disease COVID-19 - even those without fever, cough or other typical symptoms of the disease - are experiencing anosmia, a loss of smell, or ageusia, a loss of taste. I'm here to answer your questions about these latest findings and answer any other questions you may have about anosmia, ageusia, smell or taste. Just a little bit of information on me: I'm a professor of the Department of Pharmacology and Therapeutics, Director of the Center for Smell and Taste, and Co-Director of UF Health Smells Disorders Program at the University of Florida. I received a BA in Biology from the University of Virginia (1989) and Ph.D. in Neuroscience from the University of Florida (1997). I completed postdoctoral training in molecular biology at Johns Hopkins University before joining the faculty at the University of Maryland School of Medicine in 2000, where I remained until joining UF in 2014.
I'll be on at 1 pm (ET, 17 UT), ask me anything! Username: Prof_Steven_Munger [link] [comments]  |
| Are antibodies sexually transmitted? Posted: 31 Mar 2020 05:29 AM PDT |
| Why being exposed to sunlight “gives” us vitamin D? Posted: 30 Mar 2020 08:32 AM PDT I know it has to be with the cholesterol in our skin cells, but I don't clearly understand how it happens. [link] [comments]  |
| Why is an LTI-system completely characterised by its impulse response? Posted: 31 Mar 2020 02:37 AM PDT I have seen multiple sources saying this, but I don't understand why. Can anyone explain it or link to a proof? [link] [comments]  |
| For how long an average insect sleeps? Posted: 30 Mar 2020 03:01 PM PDT i would like to know what's the average time that an insect sleep [link] [comments]  |
| Why do ocean waves still move towards the shore at a beach even if the wind is blowing offshore? Posted: 30 Mar 2020 08:06 PM PDT |
| Posted: 30 Mar 2020 02:53 PM PDT |
| Why are frozen meals often extremely high in sodium? Posted: 30 Mar 2020 08:15 PM PDT |
| Which vaccines grant lifelong immunity and why? Posted: 30 Mar 2020 02:32 PM PDT |
| If we know an asteroid's mass and velocity, why does it have a "chance" of hitting the Earth? Posted: 30 Mar 2020 06:06 PM PDT I thought I posted this question yesterday but I guess it didn't get posted? No indication that it was removed so I'll try again... I was watching a show yesterday talking about Apothis, a Near Earth Object (NEO). In the documentary they said there was a 1 in 40,000-something chance that Apothis could strike Earth the next time it got close. But if we know physics and things about the asteroid like mass and velocity then why can't we say with certainty if it will hit or not? They don't even make it sound like calculation error when they phrase it like that. They make it seem like it is more like rolling a die or selecting a paper out of a massive fishbowl. Also, if Apothis is so massive and will come between Earth and our own communications satellites, how is it that the asteroid won't be attracted to Earth's gravity and fall down into our atmosphere? Does its velocity allow it to escape our gravity and leave until it's next orbit near our planet? [link] [comments]  |
| Question: Can a virus move on a surface? Posted: 30 Mar 2020 10:53 AM PDT For instance, if someone with a virus on their hands touches the bottom of a cup and I later (soon enough that the virus is still alive) drink from that cup. Can the virus migrate or "crawl" (or whatever viruses do) up the cup to where my lips would touch it, or is the virus going to stay in the oils or skin cells exactly where the cup was touched? [link] [comments]  |
| If someone has had the chicken pox vaccine, can they still get shingles later in life? Posted: 30 Mar 2020 09:13 PM PDT |
| How does a plant determine where a branch should... well, branch off? Posted: 30 Mar 2020 10:58 AM PDT That is to say, as the branch of a tree grows, what determines exactly when and where another branch will begin to grow off of it? [link] [comments]  |
| If you have asymptomatic Covid-19 will your body still develop immunity to the virus? Posted: 30 Mar 2020 11:41 AM PDT I'm wondering how long people with unidentified asymptomatic coronavirus infections might be able to keep infecting people? [link] [comments]  |
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