If bacteria have evolved penicillin resistance, why can’t we help penicillin to evolve new antibiotics? |
- If bacteria have evolved penicillin resistance, why can’t we help penicillin to evolve new antibiotics?
- When was the last time in Earth's history when the land area was evenly divided between the two hemispheres?
- How early can lateral flow test detect covid?
- Is there a difference between the way the spinal cord is damaged by the polio virus versus a sudden spinal cord injury (e.g. car accident)?
- Does our position and movement within the galaxy change the speed of light as measured on earth?
- How are the other mammal and particularly primate species when it comes to some dominance of males (patriarchy)? Would you say more of those species are patriarcal vs matriarchal or some other structure?
- Physiologically, what is happening during heart palpitations?
- [Physics] Is there a possibility that "atoms" can be made using hadrons other than protons and neutrons?
- Aside from all the deaths, what were the long term health effects of the 1918 pandemic?
- Do children recover from brain damage better than adults?
- Covid Vaccine First Dose Effectiveness Against Severe Disease?
- Are vaccines for superbugs a thing?
- What does it mean to fuse a muscle in surgery?
- When using gravity assist to go to interstellar space, does the mass of the spacecraft have any significant effect on the speed gained?
- Where do invertebrates produce hemocytes? Do they have specialized organs for that?
| Posted: 01 May 2021 04:31 AM PDT |
| Posted: 30 Apr 2021 05:42 PM PDT I read recently that some cartographers of antiquity believed that the as yet undiscovered landmasses in the southern hemisphere must balance the northern hemisphere's in terms of area. While obviously untrue today, when was the last time in Earth's history when this was actually the case? [link] [comments]  |
| How early can lateral flow test detect covid? Posted: 01 May 2021 06:13 AM PDT I can't seem to find an answer anywhere! How early can a LFT detect covid? As in if I caught it today would I get a positive test result if I was to take the test a few hours later? Or is it after 24hrs or more? [link] [comments]  |
| Posted: 30 Apr 2021 06:21 PM PDT If so, does it present differently in a person's day-to-day experience of paralysis, or is it just different at onset? [link] [comments]  |
| Does our position and movement within the galaxy change the speed of light as measured on earth? Posted: 01 May 2021 07:23 AM PDT Something ive always wondered. Let's say you measure the speed of light at two different times on earth. The first would be when the rotation of the earth, its orbit around the sun and orbit around the galaxy all sync up with the direction the galaxy is moving in. This would be maximum speed. Then you measure when all factors listed are moving in the opposite direction the galaxy is moving in. Minimum speed. Since speed of light is consistent regardless of how fast the measurer is moving.(headlights going at 50 mph versus 100,000 mph) does that mean that the difference in measurement is related to how fast the measurer is moving? Example above 99950mph difference in speed of light measured from the two positions? If you are going 1 mph less than the speed of light and shine a light forward it could only move at 1 mph from your perspective. So does our movement through the galaxy warp our understanding of speed of light? [link] [comments]  |
| Posted: 30 Apr 2021 03:30 PM PDT |
| Physiologically, what is happening during heart palpitations? Posted: 30 Apr 2021 05:06 PM PDT |
| Posted: 30 Apr 2021 08:53 AM PDT Many different types of hadrons have been found at the LHC at CERN. Is it possible that there is a combination of stable hadrons which could form, maybe along with protons and neutrons, a completely new synthetic periodic table? [link] [comments]  |
| Aside from all the deaths, what were the long term health effects of the 1918 pandemic? Posted: 30 Apr 2021 09:29 AM PDT I recall reading somewhere about long term morbidity dipping for decades but can't find a source now. I'm curious if there were other documented effects like lower IQ scores or poorer academic achievement. I assume it might be hard to differentiate some of that signal from the great depression effects so would appreciate sourced answers. Thank you in advance! [link] [comments]  |
| Do children recover from brain damage better than adults? Posted: 30 Apr 2021 05:12 PM PDT I've heard that because of how kids develop, under the age of like 5, who experience brain damage, from strokes or maybe cancerous growths, will "recover" better than adults because their body is able to shift were certain activities occur. I use recover lightly as I mean they are able to have a better quality of life after damage occurs compared to adults, not like they actually heal. Sorry if this is a dumb question I just needed to know. [link] [comments]  |
| Covid Vaccine First Dose Effectiveness Against Severe Disease? Posted: 01 May 2021 01:32 AM PDT Hi, everyone! I have tried googling this but did not find any direct answers. Does the first shot protect people from severe disease? [link] [comments]  |
| Are vaccines for superbugs a thing? Posted: 30 Apr 2021 08:41 AM PDT I was always curious about this possibility and, since it is not being mentioned, I guess it's something rather not useful or impossible. [link] [comments]  |
| What does it mean to fuse a muscle in surgery? Posted: 30 Apr 2021 06:21 PM PDT Does it just mean to fuse a muscle with the bones next to it? [link] [comments]  |
| Posted: 29 Apr 2021 08:58 PM PDT Also, side question but kinda related. Is there an upper speed-limit on how fast an object can go when using gravity assist? As I understand it, the limiting factor for going the speed of light is the amount of fuel you'd have to carry. But if you're getting your propulsion from gravity assists, then would that no longer matter? [link] [comments]  |
| Where do invertebrates produce hemocytes? Do they have specialized organs for that? Posted: 29 Apr 2021 07:23 PM PDT |
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