What if Earth’s oxygen doubled overnight? Fires would explode, insects could grow gigantic, and even breathing might feel… weird. This short breaks down the real science behind oxygen, the atmosphere, and how a tiny change could flip life on Earth upside down—fast, visual, and easy to understand.

No sci-fi chaos.
No boring chemistry class.
Just a wild “what if” that makes you ask: would more oxygen help us… or hurt us? 🌍🔥