Can people with the flu or common cold be asymptomatic? |
- Can people with the flu or common cold be asymptomatic?
- Do any extant animals possess a whip-like structure like the Brontosaurus's tail?
- Do we have any way of knowing if early humans (ie Neanderthals, Homo Erectus) suffered from similar mental conditions, such as depression?
- Is there folk etymology in sign language?
- Why have antibody tests taken so much longer to develop than PCR tests?
- Why do waves tend to arrive at the coasts in sets?
- Very difficult-to-formulate question about how the human eye processes visual information: do we process things in order based on what we are focusing on rather than the entire field of vision?
- What is the fatality rate for the seasonal flu and how is it impacted by undetected cases?
- Scientists are currently trying to develop a cheap and accurate antibody test for SARS-CoV-2. Do tests meeting this criteria exist for any other viruses, or would this be a novel accomplishment?
- How do “nonfunctional” proteins created from recessive alleles do anything when it’s homozygous recessive?
- Where and how did the Spanish flu start, and what caused it to spread so rapidly?
- How do greenhouse gases 'trap' heat?
- Where power plant can pass excessive energy?
- How come the undersea earthquakes and plate movements don't release oil into the environment under the oceans?
- How different are the antibodies produced by two people in response to the same disease? (Including but no limited to COVID)
- While asleep, how does our bladder manage to hold in urine until we wake up in the morning or in the middle of the night?
- Do other organic solvents, such as xylene or acetone, have similar antiseptic properties to ethanol?
- Is the widespread use of handsanitizer thanks to the rona going to contribute to more "superbugs" and antibiotic resistance bacteria?
- Based on the CDC web site the total number of cases of coronavirus im the us is 746,625 and the total deaths is 39,083. That is a death rate by my math of 5.2%. Why is the fatality rate being reported at 2-2.5%?
- Does the Ionosphere play an important role in weather changes or the weather in general?
- How can a window be both reflective and transparent?
- If whirlpools spin anti-clockwise in the northern hemisphere and clockwise in the souther hemisphere, how do they spin at the equator?
| Can people with the flu or common cold be asymptomatic? Posted: 20 Apr 2020 06:05 PM PDT I've read that people can be infected with Coronavirus and show no symptoms at all. I was wondering if that was also true for the flu or the common cold? Can people be infected but be asymptomatic? [link] [comments]  |
| Do any extant animals possess a whip-like structure like the Brontosaurus's tail? Posted: 20 Apr 2020 06:28 PM PDT The Brontosaurus tail possesses a bull-whip-like structure at the end that, according to computer models, was as loud as a cannon (200 decibels). Does any extant animal possess a similar trait? [link] [comments]  |
| Posted: 20 Apr 2020 04:32 PM PDT |
| Is there folk etymology in sign language? Posted: 21 Apr 2020 07:59 AM PDT Folk etymology is a really fascinating case where people come up with a story to differentiate the meaning of two words to define their difference. Does this also happen in sing language? [link] [comments]  |
| Why have antibody tests taken so much longer to develop than PCR tests? Posted: 20 Apr 2020 03:38 PM PDT PCR tests were available in a matter of days after the virus genome was sequenced. Antibody testing have only this week rolled out into widespread use despite news of them being created in late February. What is it about antibody tests that's taken them this long to reach the point where we're using them as a tool to better understand SARS-CoV-2? [link] [comments]  |
| Why do waves tend to arrive at the coasts in sets? Posted: 20 Apr 2020 06:12 PM PDT I've heard that waves travel in sets of 7, why is that and why aren't all waves the same size? [link] [comments]  |
| Posted: 21 Apr 2020 03:17 AM PDT I want to try and explain this phenomenon a bit better (I'm not even sure if it's real or an optical illusion), so I'll be as detailed as I can. I'm experiencing something weird with reflected light and the way my brain is trying to process it and I'm not sure if there have been any experiments done that might address it.
I am curious if this is due to how our brain evolved to use our entire field of vision while focusing on specific points and is basically limited by the amount of information it could process per unit time. I just read something about Eagles having a higher "Nyquist Rate" and wonder if that has any relevance to what I'm getting at here, but more on the software side and less on the hardware, if you get what I mean. The main reason I am asking is because of the potential applications for neuroscience and AI. Mapping the human mind based on how many bits of information we can process at a given moment, what we have to focus on, the stimulus/reaction delay for things in our focus vs. things in our periphery, etc. Thanks in advance for reading this long-winded and poorly-worded question, and if you need me to explain what I'm experiencing in better detail, I'll do my best. [link] [comments]  |
| What is the fatality rate for the seasonal flu and how is it impacted by undetected cases? Posted: 20 Apr 2020 10:08 PM PDT I've seen two different fatality rates discussed for diseases when I try to look at papers, the infection fatality rate and the case fatality rate, and in the case of Covid-19, there's recent work about trying to determine the infection fatality rate and the case fatality rate. However, when it comes to the seasonal flu, I normally just see things along the lines of "the fatality rate is .1%". What I don't understand is which sort of fatality rate that is and how it's actually being calculated. Is that .1% of people who get infected with a flu virus, or .1% of people who have noticeable symptoms of the flu? Does this vary for different seasonal flu strains, or does the number of cases cause the variance in flu deaths each year? In short, what are the best numbers for the seasonal flu that Covid-19 fatality rates should be compared with once the Covid-19 studies are considered sufficiently complete (if we're not already at that point for some regions), and how are those values determined for the flu? [link] [comments]  |
| Posted: 21 Apr 2020 06:23 AM PDT |
| Posted: 21 Apr 2020 06:03 AM PDT I just read that both dominant and recessive alleles get translated and transcribed, but that proteins encoded by recessive alleles are nonfunctional, which is why the dominant trait appears when it's heterozygous. Is that true? If so, what happens when it's homozygous recessive? Do the proteins not do anything? [link] [comments]  |
| Where and how did the Spanish flu start, and what caused it to spread so rapidly? Posted: 21 Apr 2020 02:16 AM PDT I know that ww1 was a major contributor for the spread of it but what else, and I keep finding different theories on what animals caused it, some say horses and some say pigs. So reddit please help me out here. [link] [comments]  |
| How do greenhouse gases 'trap' heat? Posted: 20 Apr 2020 11:55 PM PDT I read today, "...Some of them can trap more heat than CO2. A molecule of methane produces more than 20 times the warming of molecule of CO2..." It lead me to wonder what's the physical property of such molecules which makes them 'trap' heat. Is there a combustion reaction with CH4 which releases energy? If that was the case how come CO2 also heats up? I know CO2 won't combine with more O2 for combustion. Or is it thermal diffusivity of the molecule? [link] [comments]  |
| Where power plant can pass excessive energy? Posted: 21 Apr 2020 04:39 AM PDT What if there are no ways to distribute amount of energy generated by some power plat? I guess real case scenario could be when there is accident that cut off all consumers. Thanks! [link] [comments]  |
| Posted: 20 Apr 2020 07:52 AM PDT |
| Posted: 20 Apr 2020 02:33 PM PDT Follow up question: how do antibody tests work? I got an antibody test yesterday a d began to wonder how they could test for what must surely vary in composition between individuals. [link] [comments]  |
| Posted: 20 Apr 2020 08:56 PM PDT How is it that our bladder tends to hold in our urine and the urge to urinate doesn't come until morning.? Babies and young children often urinate in their bed, so how does our body know not to do the same when asleep? There are also some people who are literally awoken in the middle of the night and get up to use the bathroom. On the flip side, I know that there are individuals who have an overactive bladder and can't really control when or how often they need to urinate. Just wondering if there's some sort of mechanism that signals our body to hold in urine and then release it at some time. [link] [comments]  |
| Do other organic solvents, such as xylene or acetone, have similar antiseptic properties to ethanol? Posted: 20 Apr 2020 05:08 PM PDT |
| Posted: 20 Apr 2020 03:36 PM PDT |
| Posted: 20 Apr 2020 12:39 PM PDT |
| Does the Ionosphere play an important role in weather changes or the weather in general? Posted: 20 Apr 2020 02:19 PM PDT |
| How can a window be both reflective and transparent? Posted: 20 Apr 2020 01:35 PM PDT |
| Posted: 20 Apr 2020 09:48 AM PDT |
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