Did you know? According to researchers at Imperial College London 🎓, humans shed about 200 million skin cells every hour! 😱 When we’re indoors, those skin cells don’t just vanish—they become part of the "dust" around us 🌬️. But here’s the cool part: a report from the American Chemical Society 🧪 found that a skin oil called squalene 🛡️ can naturally lower indoor ozone levels by up to 15% 🌿. Amazing how our bodies contribute to the environment indoors! 🌟 fact facts science