When did Catalyst Season 17 Episode 4 air?
Catalyst Season 17 Episode 4 aired on February 23, 2016.


Catalyst is Australia's premier science investigation series. Each week the team brings you stories from Australia and around the world, meeting scientists at the forefront of discovery.

Prof. Vanessa Hayes is searching for the origins of modern society, revealing the bedrock of human genetic diversity. Her work exposes some startling truths about racial inequality in modern medicine.
Direct answers for episode-level questions and details.
Catalyst Season 17 Episode 4 aired on February 23, 2016.
This episode runs for approximately 30 minutes.
Comments coming soon
Discuss episodes with other viewers