This Particle Solved Everything. We Just Found Out It Isn't Real

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The universe thrums with quantum fields; and the particles of matter and force emerge as vibrational manifestations of the deep symmetries of these fields. The layers and reflections of those symmetries give us the wonderful richness of what we call the standard model of particle physics. Except there seems to be something missing: the sterile neutrino.

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Hosted by Matt O'Dowd

Written by Matt O'Dowd

Post Production by Leonardo Scholzer

Directed by Andrew Kornhaber

Associate Producer: Bahar Gholipour

Executive Producer: Andrew Kornhaber

Executive in Charge for PBS: Maribel Lopez

Director of Programming for PBS: Gabrielle Ewing

Assistant Director of Programming for PBS: Mike Martin

Spacetime is a production of Kornhaber Brown for PBS Digital Studios.

This program is produced by Kornhaber Brown, which is solely responsible for its content.

© 2025 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg

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