In the year 2000 it was announced that seven of the biggest unsolved problems in mathematics would each be given a $1million prize. Only one has been solved…

In part 1, Tom explains 4 of the 7 problems: Riemann Hypothesis, P vs NP, Navier-Stokes Equations, and the Poincaré Conjecture.

Watch part 2 on Yang-Mills and the Mass Gap Hypothesis, the Hodge Conjecture, and the Birch and Swinnerton-Dyer Conjecture here.