Did dinosaurs roam the entire planet or did they live in certain parts? And if so, where did they predominantly live and why? |
- Did dinosaurs roam the entire planet or did they live in certain parts? And if so, where did they predominantly live and why?
- Why do horseradish and wasabi seem to burn through the nose, while regular hot sauces and peppers seem to burn through the tongue (and also almost anything else they come in contact with)?
- What is the specific advantage of a moon base over an orbital space station?
- How can people catch diseases from animals which are not subsequently transmitted from person to person?
- Do we see differences in Broca's Area development in individuals who speak publicly more often?
- Do we expect that "unsolvable" differential equations would have an analytical solution if we simply knew more math?
- What sorts of pathogens can we make vaccines against? Is it virus only? How far along are we from fungi vaccines?
- How did we categorize plants before we had access to DNA test?
- How long does it take to produce a single dose of Covid vaccine?
- Would it be possible to take a vaccine anywhere else besides in your skin and would it work?
- Can someone pinpoint me the exact location of the source of the Nile river?
- Do OTC expectorants like Mucinex offer any long term benefit for “clearing” symptoms permanently? Or do they just mask symptoms temporarily, and it’s better to let your immune system do the work itself?
- How does blackhole attraction at the same relitive distance away but different size blackhole work?
- Was there less actual land mass when the continents were all pushed together or has it fluctuated over time? If it has, does that mean when the land mass was smaller, were the oceans on average not as deep?
- Does the liver recover 100% from a live liver donation/transplant?
- How do you determine the solubility of oxides?
- Could the use of Aducanumab in pre-symptomatic Alzheimer's patients halt progression of the disease?
- Why didn't historical plagues like polio and small pox mutate into different strains like the flu and covid do today?
- How did Maxwell observe electric fields?
- How do PET scans differ from MRI scans for neuroendocrine cancer detection?
- In oxygen concentrators, how do the zeolites (e.g. zeolite 13X) selectively bind N2 and not O2?
- What is the science behind asymptomatic people with covid-19?
| Posted: 15 Aug 2021 01:32 PM PDT For example, did they live near forest, water, hot/cold, etc. [link] [comments]  |
| Posted: 15 Aug 2021 04:24 PM PDT I love hot sauces, the hotter the better, (~7,000,000 Scoville is my daily driver) but I've noticed there is a big difference between how a Carolina reaper burns vs horseradish. Why is that? [link] [comments]  |
| What is the specific advantage of a moon base over an orbital space station? Posted: 16 Aug 2021 06:01 AM PDT Now that several nations have developed plans for permanent installations on the moon, what is the specific advantage of building such an installation over having an identical facility floating in space? [link] [comments]  |
| Posted: 16 Aug 2021 03:35 AM PDT I've just started reading The Plague Year: America in the Time of Covid by Lawrence Wright. In the prologue, he writes:
My reading (which may well be wrong) is that animal diseases may occasionally be transmitted from animal to human, but such transmission does not necessarily indicate that the disease will then be transmitted from that human to another human. But I'm struggling to wrap my head around this. Surely the limiting factor in disease transmission is the susceptibility to infection of the recipient - and so, once a pathogen has demonstrated that it can cross the species barrier and infect a human, that means humans are susceptible and human-to-human transmission is possible? If not, what is it that means animal-to-human transmission of that disease is possible but not human-to-human? Why does the species of the infected party matter? [link] [comments]  |
| Do we see differences in Broca's Area development in individuals who speak publicly more often? Posted: 15 Aug 2021 07:01 PM PDT The initial question came to me specifically regarding freestyle rappers, who can have marvelous adaptions of language. I am curious now if politicians, comedians, speakers, singers, etc may have enhanced or differential development of the speech/language center of the brain. [link] [comments]  |
| Posted: 15 Aug 2021 05:38 PM PDT In my engineering studies and while reading the book Chaos, I see a lot of mentions of complicated differential equations without solutions. For example, the equation (dx/dt)+sin(x(t))=sin(wt) does not have an analytical solution as far as I know. Is there hope that if we had more functions at our disposal (for example, more functions like sine, hyperbolic sine, etc.) we would be able to find such a solution? Or is something like this fundamentally unsolvable for some reason? If it would be possible, are mathematicians working to discover these new mathematical terms? It fascinates me that we don't have the math to cleanly describe the three-body problem, for example, and it's hard to imagine that a clean solution wouldn't exist if we simply knew more. [link] [comments]  |
| Posted: 15 Aug 2021 02:08 PM PDT |
| How did we categorize plants before we had access to DNA test? Posted: 15 Aug 2021 12:58 PM PDT I ask because there is a beautiful flower in my yard that is a type of onion even though it looks nothing like an onion. How could scientists tell what different looking plants were closely related? [link] [comments]  |
| How long does it take to produce a single dose of Covid vaccine? Posted: 16 Aug 2021 02:16 AM PDT |
| Would it be possible to take a vaccine anywhere else besides in your skin and would it work? Posted: 16 Aug 2021 01:42 AM PDT |
| Can someone pinpoint me the exact location of the source of the Nile river? Posted: 16 Aug 2021 04:57 AM PDT The questions is not just about the Nile river, but any river, like the Amazon river, for example. What exactly is a source of a river? Why don't we see pictures of one? "The source of river X is hard to find" I've heard this many times and it makes no sense to me. There maybe multiple sources of a river and that's fine, but not being able to exactly pinpoint all of them is kind of silly in my opinion. What would happen if I were to walk a riverside backwards? I would definitely reach somewhere, where there's no river anymore, right? So, that's the source! (or a source, in case of multiple) Not to mention the ability to use satellite images. Searching for "Source of Nile river" literally yields to no useful results, just a few maps and some other random river pictures! I'm so confused. I would really love to see how a river starts or even visit it. [link] [comments]  |
| Posted: 15 Aug 2021 09:38 AM PDT This is always something I have been curious about. Some people seem to believe these medicines can be curative vs. just a temporary masking of symptoms, so I wasn't sure what was true. Thanks everyone! [link] [comments]  |
| How does blackhole attraction at the same relitive distance away but different size blackhole work? Posted: 16 Aug 2021 02:28 AM PDT If I had a large blackhole and stood 5 radiuses away from it, then got a blackhole the size of my thumb and stood 5 of its radiuses away from it. Would the attractions be equivalent or not connect at all? (Assuming that there is no spin and charge and the blockholes are scale models of each other) [link] [comments]  |
| Posted: 15 Aug 2021 08:43 PM PDT |
| Does the liver recover 100% from a live liver donation/transplant? Posted: 15 Aug 2021 08:06 AM PDT When a donor gives part of their liver for a transplant, does the donors liver recover 100%, or is there some damage/scarring that carries over from the surgery? Can complications arise later in life due to being a donor? Secondarily, does the donated liver become a 100% functional healthy liver in the person getting the transplant? Or is it life saving but not as good as having their original liver (if it was healthy)? I've been having trouble finding the specific information. I know both livers are expected to "recover and regenerate", and I know the transplati's body has to accept the new liver, but I've been having trouble finding if the livers are considered "100%" once healed, or if long term side effects are expected (however minor) [link] [comments]  |
| How do you determine the solubility of oxides? Posted: 15 Aug 2021 06:17 AM PDT |
| Could the use of Aducanumab in pre-symptomatic Alzheimer's patients halt progression of the disease? Posted: 15 Aug 2021 07:50 AM PDT While lots of medications for Alzheimer's focus on stopping the breakdown of acetylcholine, Aducanumab is directed towards "attacking" the amyloid plaques. Does this mean that an early diagnosis, at a stage when plaque formation is starting to occur but not to a high enough level to affect ones cognitive abilities (pre-symptomatic stage), could potentially result in a halting of the condition? Edit: typo [link] [comments]  |
| Posted: 15 Aug 2021 12:58 PM PDT |
| How did Maxwell observe electric fields? Posted: 15 Aug 2021 10:11 AM PDT Im trying to learn Maxwells equations... but what i cant figure out is how did Maxwell observe charged particles or electric fields to know that there was any action at a distance going on at all? [link] [comments]  |
| How do PET scans differ from MRI scans for neuroendocrine cancer detection? Posted: 15 Aug 2021 04:16 AM PDT |
| In oxygen concentrators, how do the zeolites (e.g. zeolite 13X) selectively bind N2 and not O2? Posted: 15 Aug 2021 04:52 AM PDT Apparently N2 binds via pi-interactions with the cations in zeolites? But why doesn't O2 do the same? Is the size difference of O2 and N2 relevant? And why is O2 smaller than N2, even though N2 is a triple bond and therefore much shorter in bond length?? [link] [comments]  |
| What is the science behind asymptomatic people with covid-19? Posted: 15 Aug 2021 01:44 PM PDT I mean, if you don't have symptoms, then you don't have the virus right? I am confused, but never knew where to ask [link] [comments]  |
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