Why can't the immune system create antibodies that target the rabies virus? |
- Why can't the immune system create antibodies that target the rabies virus?
- How is it possible that each star in the sky puts out enough photons that I can see it from any slight deviation in my position on earth?
- AskScience AMA Series: Greetings, Science fans. I'm a paleontologist, science editor and author, Henry Gee. AMA about evolution, extinction, apocalyptic disaster and my latest book 'A (Very) Short History of Life on Earth'
- Between Eusthenopteron and Panderichthys what happened to the anal fin?
- Given a planet with higher gravity than earth, lets say 3g, do humans become more or less bouyant in regular water and why?
- What would it take to land a telescope on the moon, and how well would it work?
- How does a scintillating scotoma create perfectly straight zigzags that retain their exact same geometry throughout the growing event?
- Do we or can we ever know how our immune system evolved?
- Can the energy output of a fusion reactor be throttled?
- Why does the JWST need to be in a "halo orbit" at the L2 Lagrange point?
- How do scientists decide whether create a new phylum or class or others depending on a classification variables?
- When your lungs are affected by COVID-19, do you automatically have pneumonia? If not, what is the difference between COVID-induced lung problems and pneumonia?
- What is the total number of subclades of flu virus?
| Why can't the immune system create antibodies that target the rabies virus? Posted: 09 Nov 2021 12:08 AM PST Rabies lyssavirus is practically 100% fatal. What is it about the virus that causes it to have such a drastic effect on the body, yet not be targeted by the immune system? Is it possible for other viruses to have this feature? [link] [comments]  |
| Posted: 09 Nov 2021 01:28 AM PST If I'm looking at a star in the sky, billions of miles away, and I take one step to the left, I am stepping into a new stream of photons from that star. What is the resolution of this line of sight? Is there theoretically a small enough distance that I could move to fit in between the stream of photons? [link] [comments]  |
| Posted: 09 Nov 2021 04:00 AM PST I'm an author and editor on the science journal Nature, the place where scientists like to publish their coolest finds. As Nature's resident fossil hound for more than 33 and a third revolutions (which must be a long playing record) I've had the honor and privilege of steering the first feathered dinosaurs, the fishapod Tiktaalik and the hobbit Homo floresiensis into the light. I know more secrets than the average spy. In my new book I've poured it all on to the page and discovered a lot about evolution, extinction and climate change, both now and in the past. You can find out everything you need to know about my book here: http://www.averyshorthistoryoflifeonearth.com. I'll be here at 1pm ET (18 UT), AMA! Username: /u/Henry_Gee [link] [comments]  |
| Between Eusthenopteron and Panderichthys what happened to the anal fin? Posted: 08 Nov 2021 05:53 PM PST Looking at the charts of evolution of land animals the anal fin disappears between Eusthenopteron and Panderichthys. Do they become part of the pelvis? Do the bones of the anal fin simply stop being being created? Some combination or do they change in some other way all together? [link] [comments]  |
| Posted: 08 Nov 2021 08:25 AM PST Considering we can easily float on water in our current planet, if the gravity would increase we would be heavier but so would the water, would this extra weight make the water easier to swim in? [link] [comments]  |
| What would it take to land a telescope on the moon, and how well would it work? Posted: 09 Nov 2021 04:59 AM PST Would it be possible and practical to land a telescope on the moon, and how well would it work? [link] [comments]  |
| Posted: 09 Nov 2021 05:38 AM PST As I understand it, the event is the result of a cascade in the visual cortex, but what I don't understand is how the form of the visual representation can remain completely fixed throughout the approximately half hour of growing from a pinpoint to expanding beyond periphery. I experience them relatively infrequently, but fairly regularly, and I always want to know more about them. As a secondary question, how would I go about finding if there is a study on this to volunteer for? [link] [comments]  |
| Do we or can we ever know how our immune system evolved? Posted: 08 Nov 2021 06:24 PM PST I've been reading Immune by Philipp Dettmer and I'm simply blown away by the complexity and ingenuity of our immune system. So, my question for you is do we know or will we ever come to understand how our immune system evolved to get to this point? It's simply perplexing how complex the system is. [link] [comments]  |
| Can the energy output of a fusion reactor be throttled? Posted: 08 Nov 2021 09:23 PM PST Scroll to the bottom for the more direct question. For context - I'm writing a science fiction book where I'm mostly trying to keep to physics, with a few "hand wave" or "inventions" to make the setting I pictured. One of these things is small fusion reactors that power spaceships. Specifically Boron-11 fueled reactors (loosely based on these two: HB11 and Tokamak ST40). As I understand, getting electricity from the heat generated by the reactor requires a steam turbine engine, or inefficient thermocouples, or some combination of both. My question is, is it possible to "throttle" the reactor once the actual fusion reaction has started? Can you somehow change the rate at which it would 'burn' through the Boron-11 fuel to modulate the energy output? Or is it more of a "once it's on, it's on and this is exactly how much energy it will produce until it's off" type of thing? Thanks so much! [link] [comments]  |
| Why does the JWST need to be in a "halo orbit" at the L2 Lagrange point? Posted: 08 Nov 2021 09:53 AM PST I thought the point of putting satellites at the Lagrange points was that the unique gravitational properties of these spots in 3-body systems allowed them to basically sit still with little to no fuel needed to keep them there in a stable manner. Reading about the JWST I saw that the telescope will be in a constantly moving Halo Orbit, which requires fuel to maintain stability. Why would that be necessary? [link] [comments]  |
| Posted: 08 Nov 2021 06:33 PM PST So I am a biology major and I am fascinated by phylogenetic studies and systematics. Yet I don't understand how they decide to make phyla, class (some even make sub phyla, division, etc.) it is as if they cannot agree on a particular criteria. How do they do this? [link] [comments]  |
| Posted: 08 Nov 2021 12:33 PM PST |
| What is the total number of subclades of flu virus? Posted: 08 Nov 2021 06:45 AM PST The CDC classifies flu by type, subtype, clade (group), and subclade (subgroup). For example, A (H1N1)68.1A. Can someone tell me the total number of subclades or provide a link to a list of subclades? [link] [comments]  |
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