How Wildfire Smoke in San Francisco Made People Sick: A Data Detective Story
Wildfires are scary. They burn forests, destroy homes, and make the air dirty. In 2018, a big wildfire in California sent smoke to San Francisco. Scientists wanted to know if this smoke made people sick. But how? They can't just ask people to breathe dirty air on purpose. That's not fair or safe. So, they used a clever trick. They looked at hospital records before a...