Preserve

I know that HIV is a virus that attacks the white blood cells making other bacterias able to capatalize. But isn't the job of white blood cells is to kill viruses and bacterias. Why doesn't the white blood cell just attack and kill the HIV virus?

So I'm confused on what is the actual cause of gravity because I heard that gravity is caused by the curvature of space time from the mass of objects. I also hear that gravity is cause by a massless particle called a graviton. Which one is it or do they both play a role in the cause of gravity.

I read somewhere that we can see galaxies that are farther away than what the age of the universe is and they say that this is because the universe is expanding. I'm still a bit unclear on how an expanding universe can do this. So if anyone can clarify is this is true or not. This then led to me to believe that the fact that the universe expands has an effect on the speed of light. The speed of light should be faster in the direction that the universe expands and it should be slower in the direction against the speed of light.

It is known that creation of iron in stars causes stars to explode. But this (to my knowledge) only happens in the most massive stars. My question is why does this only happen in the most massive stars and not in other stars like our sun?

i have always seen ethics, morality, and environmental concerns as a hindrance to human development

many of the great discoveries, and advances were made by "unethical" means

nuclear power, vaccination, space flight (the Russian space program was fun), rockets, supersonic flight, most of early medicine, and gunpowder to name a few

"ethical" methods have given us many things as well, but most of those things were funded because they would lead to better ways to kill the guy next to us

 

also ethics prevents us from producing "what has science done!!" type experiments in the name of curiosity and we learn far more from our failures then we do from success(as long as your failure did not result in a crater the size of a small lake, then other people learn from your failure)

 

(fun fact, the first people in space, possibly, are still up there, but that's a conspiracy theory that Russia successfully got people into space but didn't exactly work out how to get them back initially...)

 

so i want to see a discussion of this (i will try to stay out of the discussion as much as possible)

 

*please do not criticize my examples, they are not 100% accurate, and based on my own opinion

Just because many advances have been made by unethical means, that doesn't mean ethics is a hindrance. Who's to say those same advances can't be made by ethical means as well?

Drugs in general are really harmful, both heath-wise and socially. So in my opinion, not prohibiting drugs is letting people get away with things that they simply shouldn't have.

Anything by Jiddu Krishnamurti like Freedom From the Known, Education and the Significance of Life, On Love and Loneliness, and Think on These Things. Also Strength to Love by Martin Luther King, Aristotle for Everybody:Difficult Thought Made easy and Ten Philosophical mistakes just to name a few.