Horizon Season 39 Episode 11
Episode Title: The Day We Learned to Think
Genre:
Documentary
Countries:
UK,
Airing Date: February 20, 2003
Runtime:50 mins
IMDb Rating:
Stream the full Horizon Season 39 Episode 11 movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
Horizon: Explaining the deadly phenomenon of 'lake overturn', which occurs when levels of carbon dioxide in volcanic lakes become unbalanced and rise to the surface, releasing the gas into the surrounding air.