When did NOVA Season 48 Episode 2 air?
NOVA Season 48 Episode 2 aired on February 3, 2021 at 9 PM ET.


PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Just about every solid, liquid, or gas in the world as we know it begins with reactions between individual atoms and molecules. Host David Pogue dives into the transformative world of chemical reactions, from the complex formula that produces cement to the single reaction that’s allowed farmers to feed a global population by the billions—a reaction that when reversed, unleashes the powerful chemistry of high explosives.
Direct answers for episode-level questions and details.
NOVA Season 48 Episode 2 aired on February 3, 2021 at 9 PM ET.
This episode runs for approximately 55 minutes.
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