"I think maybe you should ask someone else. Don't ask me."

"I'm used to it."

"I have known Gastón since I was 10 years old. He is a friend like the friends I have of all my life. With him or Juan…"

"It has been a long-standing challege for to construct a theory of quantum gravity. String theory is the leading candi…"

"In most situations, the contradictory requirements of quantum mechanics and general relativity are not a problem, bec…"

"These of are very powerful. Let us recall the situation in flat space. If we have a massive in flat space then we can…"

"Interestingly, both quantum entanglement and s date back to two articles written by Albert Einstein and his collabora…"

"... spacetime as a concept leads to some … where the equations fail. This happens in the interiors of the black holes…"

"Blessed be God, so that we can, in a democratic and pluralistic society, express our thoughts, and we must always giv…"

"What kind of pluralism and democracy are we talking about, when today automatically one becomes an enemy if you do no…"