Do we have any studies on reinfection rates with Delta in people previously infected? |
- Do we have any studies on reinfection rates with Delta in people previously infected?
- If I release an ant back outside, can it find its way to its nest or is it hopelessly lost forever?
- Do spiders have brains, and do their brains have memories?
- Do caterpillars have stomachs?
- Since allergies are caused by immune response, do immunocompromised individuals have less allergies?
- Covid tracking in sewer systems. What have we learned?
- Does our brain process the image our eyes see all at once, or does it start at one point and move from there (like starting in the centre and moving outwards, or from one side to the other)?
- If renewables produce a surplus of energy in a given town/city couldn't this surplus energy be used to pump water to a higher altitude to store potential energy instead of turning off the turbines (for example)?
- How is the information stored in RAM on a PC actually allocated over the various RAM chips?
- How does radiometric dating tell us the age of the earth, as opposed to the age of the volcano/asteroid/elements used in the dating method?
- Which chamber of the heart has the largest volume?
- Do all spiders spin webs?
- Why are fossil lobsters from 100 million years ago considered the same genus as modern American lobsters?
- Why is symmetry attractive?
- Why is the lambda variant only considered a VOI despite its proliferation in South America?
- How far from the surface of the Earth does an object need to be before centrifugal force overcomes gravity?
- Childhood mortality rate for COVID Delta variant?
- What chemical changes occur when the position of an alcohol group is moved from one carbon to another in an organic compound?
- How much energy could have been released in the great oxidation event?
- Why does the Earth’s tilt on its axis determine the seasons instead of its relative position as it revolves around the sun?
| Do we have any studies on reinfection rates with Delta in people previously infected? Posted: 23 Aug 2021 09:29 PM PDT |
| If I release an ant back outside, can it find its way to its nest or is it hopelessly lost forever? Posted: 24 Aug 2021 07:06 AM PDT Sorry if this is a stupid question. I just released an ant outside and am curious as to what will happen to it now [link] [comments]  |
| Do spiders have brains, and do their brains have memories? Posted: 23 Aug 2021 05:53 PM PDT Do they instead only respond instinctually to environmental triggers like a robot? Just wondering in case I can actually piss off spiders. [link] [comments]  |
| Do caterpillars have stomachs? Posted: 24 Aug 2021 08:05 AM PDT My 3 year old asked, and I couldn't find anything reliable on google to answer her question. I would think so, but the lack of answers makes me curious as well. Any help would be appreciated! Thank you [link] [comments]  |
| Since allergies are caused by immune response, do immunocompromised individuals have less allergies? Posted: 23 Aug 2021 08:17 AM PDT |
| Covid tracking in sewer systems. What have we learned? Posted: 23 Aug 2021 09:41 PM PDT Is anyone still tracking COVID in sewer/waste systems? What's the trend? Where is the best data and what can we infer so far? [link] [comments]  |
| Posted: 23 Aug 2021 12:56 PM PDT Idk if this is something that we have the technology to test, but I just wonder if this is a known thing or are there some working theories or something? Also, knowing this could be used for things like marketing and creating illusions, right? [link] [comments]  |
| Posted: 23 Aug 2021 10:12 AM PDT I just watched a Tom Scott video, "The Islands With Too Much Power" which sparked my question. If no battery storage or hydrogen gas conversion is available, why not just run pumps to transport water to a higher altitude to store it as potential energy? Thanks :) really curious! [link] [comments]  |
| How is the information stored in RAM on a PC actually allocated over the various RAM chips? Posted: 23 Aug 2021 07:41 PM PDT So, for my question: My PC has 32 Gb of ram spread across four RAM sticks. How does the PC (Windows 10) allocate that memory? Does it sequentially fill up one stick at a time or is all that information randomly spread across all the sticks? Further question: If it's sequential, will constant read / writes to a single chip over time degrade it quicker compared to the other sticks / chips in the PC? [link] [comments]  |
| Posted: 23 Aug 2021 02:46 PM PDT Probably a dumb question, but I'm confused as to how we know the age of the earth through radiometric dating. I've heard we use pockets of material from volcanic eruptions, as well as asteroids, to radiometrically test the age of the earth. But doesn't this just tell us when the volcano erupted or when the asteroid was formed based on the parent-daughter element ratio? And with the volcano example, how do we know that no daughter element got trapped with the parent element in the pocket, skewing the ratios? I could see that dating the volcano pocket would tell us that the age of the eruption is <= age of the earth, but the asteroid could be older or younger than the earth, right? I feel like there must be something simple I'm missing here. Thank you in advance for your time. [link] [comments]  |
| Which chamber of the heart has the largest volume? Posted: 23 Aug 2021 08:52 PM PDT |
| Posted: 24 Aug 2021 12:37 AM PDT I imagine spinning webs is the 'easiest' way for spiders to catch prey, assuming all spiders are capable of spinning webs. If all are capable but not all do this, what other ways do they use to catch prey and why don't all of them spin webs? [link] [comments]  |
| Posted: 23 Aug 2021 02:22 PM PDT The modern American lobster (Homarus americanus) belongs to the genus Homarus, along with the European lobster. But there was also species of Homarus lobster from the Cretaceous, Homarus hakelensis. Based on the specific period H. hakelensis lived, it seems like taxonomists have the genus Homarus existing continually for over 100 million years. Are there many other genuses that have survived for such a long period of time, and if not, why haven't these Cretaceous lobsters been assigned a separate genus from their modern-day cousins? [link] [comments]  |
| Posted: 24 Aug 2021 12:03 AM PDT AFAIK, one of the features that best predict if someone is thought of as attractive regardless of things like cultural background is symmetry of the face. I think this holds true not only for humans but also for animals. A typical handwavy explanation for this is that this is an indicator of 'good genes'. But what does that mean exactly? And why are good genes making symmetric faces? Or Is there another explanation? [link] [comments]  |
| Why is the lambda variant only considered a VOI despite its proliferation in South America? Posted: 23 Aug 2021 10:29 AM PDT |
| Posted: 23 Aug 2021 10:01 AM PDT I'm curious because of the "space elevator" plans (or ideas). [link] [comments]  |
| Childhood mortality rate for COVID Delta variant? Posted: 23 Aug 2021 03:05 PM PDT What is the mortality rate for COVID Delta variant infections among unvaccinated children? [link] [comments]  |
| Posted: 23 Aug 2021 08:25 PM PDT For example: what is the chemical difference between 1-propanol and 2-propanol (isopropanol)???? What characteristics change? Is there any effect to bond enthalpy and enthalpy of combustion? [link] [comments]  |
| How much energy could have been released in the great oxidation event? Posted: 23 Aug 2021 12:25 PM PDT When cyanobacteria first made oxygen and oxidized the planet, how much energy could have been released, like how fire is just rapid oxidation. [link] [comments]  |
| Posted: 23 Aug 2021 11:35 AM PDT Wouldn't it make more sense for the entire planet to experience summer together when the planet is approaching the closest point to the giant ball of fire that warms the planet? [link] [comments]  |
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