The streets of Granada. In May 2011 I went to a conference called “Stellar Clusters and Associations” in Granada. I…
It was my grandfather who taught me that a good sermon has to have three parts. So, this is part one.
I am interested in the testing for Covid-19. This is the part of the Covid-19 complexity that is similar to problems I know very well. I am an observational astronomer with twenty years of research experience. In all my work, I am…