How Stale Air and CO₂ Affect Cognitive Function
Tom Scott · Explainer · 6 min · 2019 · YouTube title: This Is Your Brain On Stale Air
Why it's here
HN links it as a popular, accessible introduction to indoor CO2 and its effect on thinking, in air quality threads.
What it covers
Tom Scott features Kurtis Baute inside a sealed homemade biodome as carbon dioxide builds up, showing how stale air with elevated CO2 affects cognitive function. Sources include studies on CO2 and cognitive scores.