Aristotle the scientist --
Lolita and the blue icarus --
Copernicus and Bologna --
My 1977, and that of my friends --
Literature and science: a continuing dialogue --
Dante, Einstein and the three-sphere --
Between certainty and uncertainty: a precious intermediate space --
Bruno de Finetti: uncertainty is not the enemy -- Does science need philosophy? --
The mind of an octopus --
Ideas don't fall from the sky --
The many errors of Einstein --
Some think, O King Hiero, that the grains of sand cannot be counted --
Why does inequality exist? --
Dramatic echoes of ancient wars --
Four questions for politics --
National identity is toxic --
Which science is closer to faith? --
Leopardi and astronomy --
Do flying donkeys exist? David Lewis says yes --
We are natural creatures in a natural world --
Emptiness is empty: Nāgārjuna --
Black holes I: the fatal attraction of stars --
Black holes II: the heat of nothingness --
Black holes III: they mystery of the center --
Kip and gravitational waves --
Certainty and global warming --
The infinite divisibility of space --
Ramon Llull: ars magna --
The festive season is over --
This short life feels beautiful to us, now more than ever.