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Messages - jfoldbar

Pages: [1] 2 3
1
COVID-19 / Re: what causes the extreme tiredness of virus infections
« on: 24/01/2022 04:32:43 »
Quote from: chiralSPO on 24/01/2022 00:31:59
but not so good at noticing that it doesn't have enough oxygen
so, the tiredness is from lack of oxygen?
so, person is breathing. seems like he is breathing normally, however not enough oxygen is getting in?

2
COVID-19 / Re: what causes the extreme tiredness of virus infections
« on: 23/01/2022 22:33:06 »
Quote from: evan_au on 23/01/2022 20:34:05

- This cluster of symptoms often include tiredness, headache, running nose, fever and aching muscles.


but can interferon cause only tiredness?

3
COVID-19 / Re: what causes the extreme tiredness of virus infections
« on: 23/01/2022 22:26:30 »
Quote from: chiralSPO on 23/01/2022 21:22:24
Another important aspect of covid that can cause fatigue is reduced oxygen supply. the virus can infect/inflame/damage the lungs, and reduce how much oxygen is available. Even a slight decrease can have major implications on energy availability.

wouldnt this mean that the patient have trouble breathing?

4
COVID-19 / what causes the extreme tiredness of virus infections
« on: 23/01/2022 19:24:18 »
i was chatting to someone about the tiredness symptoms of covid. then i became curious.   
generally when people have the flu, they can feel tired. i always thought this is because the immune system is working overtime. this however results in other symptoms too, like high temp.
however with covid people can have extreme tiredness with no other symptom at all.
do we know what is going on biologically that causes extreme tiredness (especially that comes and goes) without any other symptom at all?

5
Physics, Astronomy & Cosmology / documentaries about dark matter and dark energy.
« on: 07/08/2021 05:24:11 »
i sometime watch you tube vids about dark matter and dark energy. and there seems to be a few points that never quite seem to come to light in these vids. so would like others input.

first., it seems to me that there is a bit of disagreement about whether dark energy and matter even exist or not. some people suggest that it is proven they do exist, while other people say they some observations suggest otherwise.

second.
why is the search for dark matter and energy always "in outer space"? do they ever search for it closer to home? if not, why not.? like, if dark matter is everywhere, wouldnt it then also be right in front of me, so why would i look for it a Quintilian miles away when i could look right in front of me.

6
Physiology & Medicine / what was the first mrna vaccine?
« on: 21/07/2021 01:53:20 »
i got reading about history of vaccines, and learned that we seem to be at a new age of vaccine manufacturing. now using mrna vaccines.
im curios, is covid the first of this type of vaccine, or have there been other vaccines made via mrna?

7
Just Chat! / Re: where are the pseudoscience studies?
« on: 12/07/2021 08:47:49 »
of course, no way to know that. but curious what difference it would make? is that webpage pure gospel?  what it says it 100% accurate and there is zero possibility that there could ever be anything doesnt  fit the parameters of that webpage?

8
Just Chat! / Re: where are the pseudoscience studies?
« on: 12/07/2021 08:07:33 »
even though the spider was correctly identified , and both the guys gp, and skin specialist both said the spider seems to be the only explanation for the guys bad arm?

9
Just Chat! / Re: where are the pseudoscience studies?
« on: 11/07/2021 20:07:47 »
are you saying that if something is rare, it is therefore impossible?

10
Just Chat! / Re: where are the pseudoscience studies?
« on: 11/07/2021 12:00:34 »
sure, as a general rule of thumb i agree with you. many times its an incorrect spider etc. but there are times where this does indeed happen.
the guy i worked with, was bit on the hand. he caught the spider and had it identified as a whitetail. he saw a skin specialist for 10 years after that to clear up the "whatever you call it".

11
Just Chat! / Re: where are the pseudoscience studies?
« on: 11/07/2021 11:40:17 »

[/quote]
You didn't read the  web page, did you?
 https://www.mja.com.au/journal/2003/179/4/white-tail-spider-bite-prospective-study-130-definite-bites-lampona-species
[/quote]


yep, and thats exactly my point.


"Considerable work has been done on the venom of white-tail spiders over the past 10 years because of the reports of necrotic ulcers.21,22,23 Study of the cytotoxic effects of the venom showed it has little potential to cause necrosis.21,22 In one study, the venom had little effect on human cell cultures"

in the case of white tail, what studies show differs from what people experience.
there are a few medical anomalies that at the moment science has little or no explanation for.

12
Just Chat! / Re: where are the pseudoscience studies?
« on: 11/07/2021 07:53:10 »
yep, thats basically it about the spider. i personally know 2 people who were bit.
1 guy was bit on the hand, even 5 years later his arm looked as though it had just had boiling oil thrown on it., yet there is no scientific reason (that has been found) that explains this.

13
Just Chat! / where are the pseudoscience studies?
« on: 10/07/2021 23:57:11 »
i wasnt sure what to name this thread.
i was reading on another science forum about people who claim to be able to feel xrays (leg, hip dentist etc). and their possible explanations.
this got me thinking about all the things that some humans experience, that doesnt fit into the scientific norm, or is just on the edge.
things like,,,,
#we can sense when someone is looking at us
# some identical twins that are separated can sense what is happening to the other twin
#we know what song will come on the radio next
# gut feeling. (i think called hunch in some countries)
# whitetail spider
#some people affect electronic things.

you get the idea. ( i know some of my examples here are already fully explainable by science, i was simply trying to portray my though as to what im looking for)

my question is, i like reading and watching various studies on this type of thing. and while i have read and watched many, i would like to find more.
is there any specific place that lists them? so i can just go through them systematically.


14
Plant Sciences, Zoology & Evolution / Re: How does the intelligence of pet dogs compare to other animals?
« on: 10/07/2021 21:03:13 »
i remember once reading about the pig being more intelligent than the dog, and the researcher explained it kinda like this.
if a dog is carrying a stick in its mouth, and then i tries to get through the door, the stick is too big and the dog needs to turn its head to maneuver the stick. however the dog needed to, 1, first see that it couldnt go, 2 learn that the reason it couldnt go was because of the stick in its mouth, 3, learn that tilting its head changed to stick size in relation to door, 4 how do i need to tilt my head to get through the door...........eventually the dog learned this.
however, if a pig was interested in picking up sticks, it would start off at step 4, skipping the first 3 steps.

15
Plant Sciences, Zoology & Evolution / Re: is there any studies or evidence to show that animals could have belief?
« on: 09/07/2021 02:10:24 »
well. a lot to digest here. first i would like to express my thanks for the logical detailed responses. i have actually been trying this topic on reddit for about 6 weeks now, but the mods kept deleting it. (wont allow this subject). so i am glad to be getting replies like this.

evan_au,      you say that robots will develop beliefs too. i have trouble imagining that, but i guess plausible.
the problem i have is it is so hard to say is there a line between belief and calculation. (for robots and for biology)

if i may, i will explain what i mean in relation to terminator, because its something that 99% of the population could relate to.
 terminators programming will have things like jumping in front of a truck may or will result in damage. shooting at the policman for little reason may result in 10 policeman shooting back. potential for damage. however a fast cpu could be calculating the risks for how much potential damage verse how much is achieved, hence why he could storm the cop shop in T1. he can calculate that there is low chance of those weapons hurting him.
is this a belief? or a calculation?
if he was chasing sarah conner, and she ran across a glass roof strong enough to support her, would he chase? what if there was lava under the glass? would that change his plan to perhaps go another way. what if the lava is only 1 foot thick, and he doesnt see another way.?
so he runs across, the glass breaks and by the time he gets out of the lava, he is 1 foot shorter, running on stumps.
does he believe his legs are gone, or is this a calculation?
this concept has no end to it?
does the cpu in your car believe that its driving the car, or does it know it?

as i said last post, getting into philosophy.




alancalverd.....
i know what you mean about the dog. i had this same discussion with my friend.
however, is this actually a belief? (so much philosophy here it hurts my brain).
the dog may believe the rabbit is in that hole, does a mozzie believe my blood tastes better than yours? does a microbe believe its food is that way? hard to say where the line is?
does the dog believe its tail is part of it, or something else?
how about a dog that chew on their own leg until its bleeding, thinking its a bone?

this could go further.
do i believe that i have 2 arms and 2 legs? or is it a fact?



halc..
self preservation may not be belief though, it may be just a result of numerous biological processes whos need is for self replication.
germs self replicate, however they probably dont know that they are doing it. but there is still the inbuilt biomechanical need to. do ants realize they are self replicating? if they dont, why build a house that helps them do this?
again, the line is so fuzzy, it hurts my brain.



16
Plant Sciences, Zoology & Evolution / Re: is there any studies or evidence to show that animals could have belief?
« on: 08/07/2021 23:24:05 »
thanks for the reply kryptid. im assuming you are referring to the skinner experiments of the 50's.
i was thinking about this, and i am not entirely convinced this could definitively translate to a belief, for a few reasons.
i will try to explain.

1, if the pigeon believes that spinning around gets him some food, does an ant actually believe that he can eat your foot. how many ants does the colony need to get that food? the pigeon problem should also extend to other animals smaller and smaller. does a germ exhibitor some kind of behavior that could be considered a belief or superstition?

2, imagine you have a robotic pigeon. some super advanced one from the future. and this pigeon is nothing but computers and mechanical parts. if skinner done his experiment on these pigeons, it may well be that one of the pigeons exhibits a similar behavior. why would a robot spin around to try to get the food? because it appeared to work previously? so it has "incorrectly" learned a behavior and without more data or input has decided that this is a chance to get food. eventually it could calculate (if its mathematical algorithms are advanced enough) that there is no correlation between spinning around and food, but it would need time to do so. however the real pigeons could eventually learn this too.

my point is, in my opinion, if animals have beliefs then so too would robots. which i assume most people would think, they dont.

i realize this is becoming so far into the philosophical realm. but i find it an interesting topic.

17
Plant Sciences, Zoology & Evolution / is there any studies or evidence to show that animals could have belief?
« on: 08/07/2021 20:27:33 »
im not sure if this is science or philosophy. please let me know if i should ask elsewhere.
i am having a debate with a friend (real life) about beliefs. and we got stuck on whether animals have beliefs or not.
so i would like peoples input on this subject.

18
Just Chat! / Re: Can science prove God exists?
« on: 06/04/2020 07:58:15 »
Quote from: Kryptid on 05/04/2020 20:24:56
I had not heard of a scientific explanation for this before. What is the mechanism?
about a year ago i went through a 'learn everything about brain function phase'. reading and watching everything i could about it.
 i cant remember the details on the how, or what i read at that time, but the studies showed this. for example.

 when we think, "michael jacksons 'bad' will come on radio next", and it does actually come on the radio next, we think we have made an accurate prophecy. what actually happened is after the song came on and then we hear the song, our brain tricked us into thinking that we had the 'foretelling thought' before the song came on. but actually the 'foretelling thought' was after the song came on.
this lapse in time can be(and i stress CAN) up to 10 seconds out.
so we can THINK we had the 'foretelling thought' up to 10 seconds before the event, but actually it was after.
our brain does this more than we realise

19
Just Chat! / Re: Can science prove God exists?
« on: 06/04/2020 07:39:43 »
Quote from: duffyd on 05/04/2020 23:48:40
Science clearly establishes that GOD is.
"is" what? real or imaginary? if science establishes that god is real, then you must have claimed the nobel prize for that find?

20
Just Chat! / Re: Can science prove God exists?
« on: 05/04/2020 19:43:09 »
Quote from: CliveG on 05/04/2020 17:24:23
I was about 55 to 60 when events gave me more assurance that the probability of the existence of God was reasonably likely. I still retain some skepticism and accept I may be wrong. Can you explain how I was absolutely certain a biker would die on an open road in good weather with little traffic and there was no problem with the way he was driving? That to me was the one example that illustrates the existence of the supernatural.

You are at your computer reading this, and suddenly you get a shock (and I mean a shock as if it had happened) that a car is going to crash into the side of the house in 5 minutes and you leave the room. The crash happens. A mild sunny day with little traffic and no unusual sounds. The man just dies at the wheel of the car from a heart attack and does not take the corner. It happens to you and no-one believes you - but you know what happened.
i dont know you personally or that exact circumstance but science has many explanations for this. 1 possibility from the top of my head is the same as when we know what song will come on the radio next or we know who the next person to call us is. it happens to everyone and is quite well understood by science. theres nothing supernatural there. its just our brain doing what it does.
a bit like when you dream about some stranger, and then the next day you meet that stranger for the first time. again, perfectly explainable by science. nothing supernatural.
so i used to get surprised by this stuff, thinking i was 'special'. until i learned more facts.

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