His journey in our direction started in 2008 when he was teaching at Brazil’s top university, the University of Campinas.
if we are wholly matter, and matter is wholly governed by physical law, there is no room for free will.
The ancient model of the cosmos, which was the model presupposed by most scientists prior to the mid 20th century, was Steady State.
What happens down here depends a lot on what’s going on up there.
The Drake equation is simply the product of a set of factors, estimating the number of active, technologically advanced, communicating civilizations in our galaxy.