Catalyst: Earth’s oxidation event
May 15, 2019
“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.
In this segment:
Also in this episode:
SPOTLIGHT
STAY in touch
with azpbs.org!
Subscribe to Arizona PBS Newsletters:
Gifts presented by Arizona PBS
April 16, 2021
Catalyst: Cancer research in dogs
April 16, 2021
Catalyst: Bacteria to improve autism symptoms
April 16, 2021
Catalyst: Better-living for dogs in shelters
Nov. 4, 2020
Catalyst 303: Isotopic forensics
Nov. 4, 2020
Catalyst 304: Body and mind
July 29, 2020
Catalyst 301: Eyes on Mars
July 29, 2020
Catalyst 302: Looking for signs that point to life
Nov. 25, 2019
Season 3: Coming in 2020
July 3, 2019
Catalyst: Best of Season 2
June 26, 2019
Catalyst: Closer look at asteroid Bennu
June 26, 2019
Catalyst: ELL teaching programs
June 19, 2019
Catalyst: Racing against infectious diseases
June 19, 2019
Catalyst: Inclusion and exclusion bias
June 19, 2019
Catalyst: Recycled asphalt
June 19, 2019
Catalyst: Distracted driving
