Fire starter

The video is a prerecorded news extra discussing the science and history of fire building. It begins with a humorous introduction, followed by an anecdote about building the perfect fire. The scientific section explains why fires are typically equilateral triangles, focusing on air and heat flow efficiency. The historical impact of fire on human evolution and migration is highlighted, showing how mastering fire allowed early humans to leave caves. The video concludes with potential future research directions and a humorous exchange about fire safety in a studio setting.

What new insight or understanding did you gain from this video?