G=EMC^2 Glazier wrote:
What if intelligent life can be found only in spiral galaxies like our
Milky Way? What if it can only be created in the arms? Nearer and
nearer the core conditions get worse for life. We prove the conditions
are right where we are. I have a gut feeling I'm right about this. I
could bring in good science to prove my point should anyone challenge
this idea Bert

the book you want to read is called 'Rare Earth'. I have it. interesting
ideas.