Catalyst: Earth’s oxidation event

More from this show

“Catalyst” connects with a geologist who examines rock samples and oxygen molecules to study planet Earth’s “Great Oxidation Event” 2.5 billion years ago.

Ariel Anbar, PhD

Lucy Worsley on the Mystery Queen
aired Dec. 3

Agatha Christie: Lucy Worsley on the Mystery Queen

Pavlo: Live in Santorini
aired Dec. 3

Don’t miss ‘Pavlo: Live in Santorini’

aired Nov. 28

Stewart Udall: The Politics of Beauty

Proposal for Phoenix Latino Cultural Center

Don’t miss ‘Horizonte’ Saturdays at 6 p.m.

Subscribe to Arizona PBS Newsletters

STAY in touch
with azpbs.org!

Subscribe to Arizona PBS Newsletters: