When did Catalyst Season 21 Episode 2 air?
Catalyst Season 21 Episode 2 aired on April 21, 2020.
Catalyst
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.
Season 21 · Episode 2
How Food Works (Part 2)
Apr 21, 2020·30m
Paul explores the science behind cryogenic freezing and how it's being used to ensure frozen fish tastes almost as good as fresh. In a gelato factory, Clare gets the scoop on why humans are hard-wired to desire junk food.
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How long is Catalyst Season 21 Episode 2?
This episode runs for approximately 30 minutes.
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