It was a big year. Fermilab discovered possible evidence of new physics with the muon G-2 experiment. Physicists created a time crystal, a new phase of matter that appears to violate one of nature’s most cherished laws. And we got a glimpse of an enormous pair of bubbles towering over the Milky Way.

11:24

8:55

16:25

3:19

16:23

9:59

5:35

5:42

David Kaplan explains how the search for hidden symmetries leads to discoveries like the Higgs boson.

David Kaplan explores the leading theories for the origin of life on our planet.

David Kaplan explores the leading cosmological explanation for the origin of the universe.

David Kaplan explores one of the biggest mysteries in physics: the apparent contradiction between general relativity and quantum mechanics.

University College London physicist Hiranya Peiris explains how the multiverse can be tested.

MIT cosmologist Alan Guth, 67, discusses why two-headed cows are an important problem in an infinite multiverse.

Subhash Khot’s bold conjecture is helping mathematicians explore the precise limits of computation.

Experts say Martin Hairer’s epic masterpiece in stochastic analysis “created a whole world.”

Maryam Mirzakhani’s monumental work draws deep connections between topology, geometry and dynamical systems.