55:33

Les "invariants arithmétiques" de H. Poincaré

57:13

Sympletic topology from Poincaré to Gromov

1:10:16

Poincaré's Probability

27:26

This open problem taught me what topology is

9:36

‘Why in God’s name should Trump get a thank you?’: Fmr. Russia ambassador shreds Vance over Ukraine

49:23

Chaos in the Three-Body Problem

25:05

Ranking Paradoxes, From Least to Most Paradoxical

57:35

Structural Realism, Then and Now