If prions are extremely hard to destroy, and they convert other proteins into prions, could every protein on Earth become a prion, similar to the Grey Goo scenario? How likely is this? |
- If prions are extremely hard to destroy, and they convert other proteins into prions, could every protein on Earth become a prion, similar to the Grey Goo scenario? How likely is this?
- Is there a reason why solar flares resemble magnetic lines of force?
- Do ants communicate imminent danger warnings to each other?
- Why do prion diseases have such a long incubation period?
- If a huge power outage happens and all the lights in the area go out, will we be able to see the stars?
- What happens to Cobalt-60 under neutron bombardment?
- I've heard before that viruses as a whole (like Corona) very rarely kill on their own, but rather are dangerous due to their accentuating the effect of co-morbid conditions. Is that true?
- How did marine wildlife originally get into very high elevation bodies of water such as Lake Titicaca, Lake Tahoe, etc?
- During pregnancy, when is the umbilical cord developed?
- How do stem cells know how to arranges itself in space, defining tissues boundaries and shapes?
- How do fibroids grow and what causes them to grow bigger?
- How come blood type O- can be given to anyone if the bloodstream contains antibodies of all the other groups?
- It's well known that humanity came from Africa before spreading around the world, but do we have any idea of where in Africa we originated?
- What happens in our lungs when molecules other than oxygen enters?
- How are we able to conclude the accuracy of a particular coronavirus test? For example, if a certain test was found out to be 60% accurate, what allows us to figure out that information?
- When an electron isn't attached to a positive nucleus, what shape does its wave take? And other Sunday electron questions.
| Posted: 31 Aug 2020 09:54 AM PDT |
| Is there a reason why solar flares resemble magnetic lines of force? Posted: 31 Aug 2020 11:14 PM PDT I've seen pictures of solar flares and they almost always remind me of the iron filings rearranging themselves in the magnetic force lines shape. Is there a reason to this? [link] [comments]  |
| Do ants communicate imminent danger warnings to each other? Posted: 01 Sep 2020 09:13 AM PDT If someone were to continually stomp on a trail of ants in the same location, why is it that the ants keep taking that line towards danger? It seems like they scatter at the last moment, but more continue to follow the scent trail. [link] [comments]  |
| Why do prion diseases have such a long incubation period? Posted: 31 Aug 2020 06:04 PM PDT So I was googling diseases n all when I came across mad cow disease, which led me to scrapie, which led me to kuru, and so on and so forth. With all of these I've noticed an extremely long incubation period, and it seems to be one of the characteristics for those diseases. Why is that? [link] [comments]  |
| Posted: 31 Aug 2020 10:40 AM PDT So I know that stars aren't usually visible in populated areas due to light pollution, but if all the lights suddenly disappear, will all the stars suddenly appear all at once? Or will the stars start fading into the sky one by one? [link] [comments]  |
| What happens to Cobalt-60 under neutron bombardment? Posted: 31 Aug 2020 04:00 PM PDT Ok, so, wr all know that if you "salt" a nuclear weapon with cobalt-59, the neutron flux at detonation will convert it into cobalt-60. But what would happen if you started with cobalt-60? [link] [comments]  |
| Posted: 31 Aug 2020 03:35 PM PDT If so, please share any linkable data sources here, as I'd love to spread some solid data around. Thanks! [link] [comments]  |
| Posted: 31 Aug 2020 06:11 AM PDT |
| During pregnancy, when is the umbilical cord developed? Posted: 31 Aug 2020 01:57 PM PDT Hello, first of all, sorry for asking such a "stupid" question, but it's been bugging me for the past week. I've seen dozens of videos online about the fetus forming and growing up, from being just one small cell, yet I've never really noticed when does the umbilical cord appear? Is it already connected with the mother from the very beginning (at the stage of just one cell) but the umbilical cord is just so small we can't even see it, or does it just suddenly starts growing out from the baby's belly button and finds its way to the mother? [link] [comments]  |
| How do stem cells know how to arranges itself in space, defining tissues boundaries and shapes? Posted: 31 Aug 2020 07:41 AM PDT Hi! I was always intrigued by how stem cells work together to build a complete organ, and parts of the human body. Like, for example, to build an arm, how do stem cells "know" that they have to go X cm lenght to start to build the wrist. And moreover, how do that X cm lenght converts to Y number of cells. I know it's not that simple, it's not a formula that works that way, that chemicals rule the building and spacial orientation of each cell in the process. But it's so curious how these chemicals give this spacial "conscience" and define the boundaries. Like, how body knows it's time to end the arm, when it should create a curve for the hand, etc. Thank you for any information that can give a light to this question =) [link] [comments]  |
| How do fibroids grow and what causes them to grow bigger? Posted: 31 Aug 2020 02:00 PM PDT |
| Posted: 31 Aug 2020 09:00 AM PDT How come O- can be given to anyone in a transfusion, given that the bloodstream of someone who is O- contains both anti-A and anti-B antibodies? Are these not also extracted when blood is taken for donation? [link] [comments]  |
| Posted: 31 Aug 2020 10:27 AM PDT Most anthropoligical maps just have arrows coming from the vague center of the continent but is that accurate? [link] [comments]  |
| What happens in our lungs when molecules other than oxygen enters? Posted: 30 Aug 2020 07:47 PM PDT If the air around us is mainly nitrogen and CO2, how do our blood cells only pick up oxygen? Do our alveoli filter out everything except O2? [link] [comments]  |
| Posted: 30 Aug 2020 07:40 PM PDT |
| Posted: 30 Aug 2020 04:27 PM PDT
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