Popular Science

J.M.E. McTaggart , who in 1908 coined the terms "A and B-theories of time." Human beings seem to have an innate tendency to t...

Claude Elwood Shannon Among the arguments used by deterministic neuroscientists to prove that human freedom does not exist, I’ll mentio...

In one of my mystery novels ( El Zahir de Quetzalcoatl ) the protagonist must solve three riddles, as in the classic fairy tales. The thi...

Christ crucified, wood carving by Manuel Alfonseca Santana During their deportation in Babylon, the Jewish people adopted a lunar Babyl...

Pope Benedict XVI In his book The Spaniard and the seven deadly sins , Fernando Diaz Plaja criticizes what he considers an example of t...

Copy of  Raphael's  The Virgin of the Rose ,  by Manuel Alfonseca Santana I will not enter here into the nineteenth-century debate ...

Earth lighting in the winter solstice The time of the winter solstice was the occasion for major celebrations by nearly all ancient peo...