In the show Lie to Me, the main character has an ability to read faces. Is there any backing to that idea? |
- In the show Lie to Me, the main character has an ability to read faces. Is there any backing to that idea?
- When a limb is lost, what happens to the brain cells that are assigned to control it?
- Why are there holes opposite the magnetron in a microwave oven?
- Why does the full moon cause high tides exactly like the new moon?
- How can statistics tell the current Corona reproduction number accurately (e. g. RKI in Germany) when they know neither the number of infected people now nor at any time in the past?
- How are 'recovered' cases measured?
- How do birds know where to build a nest?
- Does every Man have 50/50 X/Y sperm or does it vary?
- Hiw do plants completely underwater make their food?
- Does the human visual pathway process 2D pictures the same way we process objects in the real world?
- Trees experience crown shyness. Do plants experience the same phenomenon?
- Are the orthologs of an ortholog, also orthologs?
- What makes spent nuclear fuel no longer useful?
- How do we know that gravity propagates at the speed of light?
- Why are planes able to fly on their backs?
- Why is the metric unit for mass the only one with a prefix?
- When talking about ionizing radiation, what is the dangerous part: the frequency, the peak amplitude, or both? And why?
- How quickly is blood pumped through the human body? Does the speed the blood is traveling at vary from body part to body part?
- Why would an antibody test yield a high percentage of false positives?
- What's the cause behind the light in the Cherenkov Effect?
- How are drugs named? Why are the names so weird? (Remdesivir, sildenafil, chloroquine, etc.)
| Posted: 30 Apr 2020 10:18 PM PDT |
| When a limb is lost, what happens to the brain cells that are assigned to control it? Posted: 01 May 2020 07:40 AM PDT |
| Why are there holes opposite the magnetron in a microwave oven? Posted: 01 May 2020 06:47 AM PDT There are holes in the front of microwave ovens for viewing the contents, and some holes near the top for the light. Those make sense to me. However, there also seem to be areas opposite the magnetron with holes punched out (examples). What is the purpose of these? Is it for some sort of sensor, or maybe a fan? [link] [comments]  |
| Why does the full moon cause high tides exactly like the new moon? Posted: 01 May 2020 01:10 AM PDT Ok, so I understand why the NEW MOON causes high tides: The sun and the moon are aligned and on the same side from the earth, so both combined, they pull the water which is closer to them closer, then the earth a little and the water behind a lot less, so you have bulging water on both sides. But, during the FULL MOON, shouldn't the sun be acting oppositely to the moon, cancelling "the pull" out a little? Every textbook explains that "both the full moon and the new moon causes the highest tides because all three celestial objects are aligned", but never distinguish these two, so I assume both cause tides of the same level, but why? Also, there is two tides per day (two bulges & two depression), is their a difference in those two tides for the full moon and the new moon? or not? Couldn't find any answers online. [link] [comments]  |
| Posted: 01 May 2020 04:53 AM PDT There is no randomised, representative testing, so we don't even know nearly how many people are really infected (not to be confused with positive tests). The problems are untested infected people with no or few symptoms and, to a lesser degree, false negatives. All we have with some certainty are death numbers, be it by excess mortality or reported Covid-19 deaths, but they reflect infection numbers that happened weeks ago. E. g. in Germany there might be 1 million infected, might be 500,000, might be 2 million. Wouldn't frequent, randomized representative testing be an excellent use of testing capacities? Austria tested only 1000 people, if which 5 (?) were infected, which resulted in an extremely wide 95 % confidence window, but even that would be better than just guessing. [link] [comments]  |
| How are 'recovered' cases measured? Posted: 01 May 2020 08:18 AM PDT I was looking at the number of confirmed, deaths, and recovered cases and noticed 2 huge spikes in the number of recovered. On April 7th and April 24th there were around 20k recovered cases, which is about 5 times higher than other days. Is 'recovered' estimated based on the number of new cases and deaths? Or are they reported to public health officials somehow? Or a combination of it? Would could be the reason for those spikes? The dataset I looked at: https://nssac.bii.virginia.edu/covid-19/dashboard/ [link] [comments]  |
| How do birds know where to build a nest? Posted: 01 May 2020 08:11 AM PDT How do they determine a place where they can build a nest where it can't be kicked of by the wind, and is safe of predators. [link] [comments]  |
| Does every Man have 50/50 X/Y sperm or does it vary? Posted: 30 Apr 2020 10:27 PM PDT |
| Hiw do plants completely underwater make their food? Posted: 01 May 2020 07:58 AM PDT Where there is total darkness, and the plants are unable to carry out photosynthesis, how do they make their food? [link] [comments]  |
| Does the human visual pathway process 2D pictures the same way we process objects in the real world? Posted: 30 Apr 2020 03:09 PM PDT |
| Trees experience crown shyness. Do plants experience the same phenomenon? Posted: 01 May 2020 07:02 AM PDT |
| Are the orthologs of an ortholog, also orthologs? Posted: 01 May 2020 06:57 AM PDT Homo sapien p53 is orthologous with a gene in zebrafish and mice but not daphnia. However, zebrafish and daphnia are orthologs. What is the relationship hetween homo sapien and daphnia? [link] [comments]  |
| What makes spent nuclear fuel no longer useful? Posted: 30 Apr 2020 07:26 PM PDT What makes that spent fuel useless? What about U-235's decay products make them unworkable for generating power? [link] [comments]  |
| How do we know that gravity propagates at the speed of light? Posted: 01 May 2020 12:12 AM PDT |
| Why are planes able to fly on their backs? Posted: 01 May 2020 03:36 AM PDT Why are planes able to fly on their backs, as the upward trend generated by their wings should make them lose altitude, if you turn them around, very quick? [link] [comments]  |
| Why is the metric unit for mass the only one with a prefix? Posted: 01 May 2020 01:00 AM PDT |
| Posted: 01 May 2020 12:40 AM PDT I understand that higher frequency radiation is dangerous to us as we get into the UV range, but what is actually going on that causes damage? And what relationship does the wattage (amplitude) have to this? Is higher wattage radiation more harmful than lower wattage radiation at the same frequency? What is the wattage of UV light coming from the Sun and does that wattage contribute to it's harm? Apologies in advance if if you're cringing at my potential misuse of terms. I am just tryin' to learn. [link] [comments]  |
| Posted: 30 Apr 2020 04:13 PM PDT |
| Why would an antibody test yield a high percentage of false positives? Posted: 30 Apr 2020 09:31 AM PDT I've seen some articles about antibody tests that referenced that if you had reason to believe that the infection rate of a population was low that an antibody test that is generally accurate would yield a high amount of false positives anyways. Can someone explain why that would be if the test is (say 95%) accurate? [link] [comments]  |
| What's the cause behind the light in the Cherenkov Effect? Posted: 30 Apr 2020 08:51 PM PDT I was having Chemistry class, and just entered a different state. I was thinking about Cherenkov Radiation. It is known that when electrons jump levels they emit energy, and thus light. We also know that the electron is going faster than the electromagnetic waves that inform of his position inside a mean, such as water, and thus, the electron isn't incorporated into the atom because it's not there anymore when it polarises the atoms. Is that return to the normal atom form that emits energy and thus light or is it something completely different? Please take note it's been a long time I saw anything abou Cherenkov Radiation, and couldn't find any texts that explained the cause of the light, only the phenomenon behind it, which is the electron faster than light inside said mean. [link] [comments]  |
| How are drugs named? Why are the names so weird? (Remdesivir, sildenafil, chloroquine, etc.) Posted: 30 Apr 2020 02:58 AM PDT In the past month or so, names like "chloroquine" and "remdesivir" have been floating around the news. Then, other names, like "hydroxychloroquine" pop up. So it seems that there's some chemical functional group stuck onto a chlroquine in that case, but how is the base name minted? I know it can't just be a trade name, because Viagra is apparently only the trade name for sildenafil. How is the name "sildenafil" determined? These names sound more like characters from a fantasy novel. Nothing I know about organic chemistry nomenclature suggests such names. Also, is there anything about the naming that takes into account the international nature of the pharma trade? I know a lot of pharma companies are not in English speaking countries but these names all sound anglo-centric in their component phonemes. Would a drug developed in Japan have a name like this? [link] [comments]  |
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