Comments by "HIFLY" (@HIFLY01) on "Kurzgesagt – In a Nutshell" channel.

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  3. This video is implying that everyone will work together and have the same knowledge as each other when in reality if society collapsed, only a handful of the survivers would be of any use. Technology has been integrated so deeply in society today that you can look up anything online. You don't need to rely on your parents teaching you some stuff as you can look it up. The level of knowledge will decrease throughout generations and increase the need for technology. Its like building a building: the more advanced you get the taller the building can be. But say the foundation cracks and the building collapses, its going to cause more damage than a smaller one. Now look at people's skills. While sure a lot lf farmers could survive, they won't know everything about every crop. A farmer from the Midwest might know a lot about growing corn and soy but know nothing about rice. Meanwhile the Chinese farmer is the opposite. So not only will the amount of food be lower but the choices would be too. And if the Midwestern farmer wants to grow rice, how will they communicate to the Chinese farmer? Phone services and online chat rooms could be down and you couldn't do it. Realistically speaking, even if 99% of the world was gone and we had the same ratio of people knowing different skills (farmer, banker, teacher, etc) they wouldn't all be shared equally across the planet. There are a lot more computer engineers in silicon valley than Wyoming as an example so some areas will be better off than others. Thats why only a small amount of the survivers will actually survive long enough to create civilization again. All the skilless people will be casted out
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  20.  @jdirksen  your immune system is a lot more harmful to you than most other pathogens. Coughs, fevers, runny nose, inflammation, pressure build up in the sinuses, weakness, loss of appetite, etc are almost always caused by your own immune system. The common cold for example isn't going to cause you to get a runny nose. Thats your body trying to flush it out to reduce the spread. When I had pneumonia a few years ago, I honestly couldn't eat anything no matter how hard I tried. I had a few bites and that was it. It wasn't the things in my lungs causing it, it was my immune system doing it. A lot of damaging infections are pretty specific at what they attack like HIV attacking the white blood cells or malaria attacking the liver. Your immune system can easily destroy everything and anything in its path as many of this channel's videos have mentioned before. It will attack indiscriminately. Now if you never get a fever or cough for a cold, there could be a few reasons. 1. Your immune system doesn't recognize it very well and struggles to handle it. 2. The infection is mild/not a lot of stuff got in and you dont need do so much damage. 3. You already got infected with this strain before so your memory cells help faster. 4. Your naturally more immune to this disease compared to someone else. I feel like your idea of efficiency falls more into idea 3, but we don't know which case it is every single time. Some diseases lay dormant for years and if your immune system finds them and you get "sick", I feel like that is a sign of a strong immune system. Its supposed to be active and look for anything that could harm you non stop so the fact you got a fever from finding a dormant virus shows its actively looking for things. Efficiency and strength have some in common but I feel like being able to recognize the infection faster and handle it is a bit better than just being efficient because the faster you can stop it, the less likely it can mutate. And its also a pretty clear sign you are sick and you know not to spread it to others
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