Health Sciences

Researchers at the Paul Scherrer Institute PSI have for the first time observed photochemical processes inside the smallest particles in the air. In doing so, they discovered that additional oxygen radicals that can be harmful to human health are formed in these aerosols under everyday conditions. They report on their results today in the journal Nature Communications.

We look for certainty in uncertain times. But that is not something statistics can necessarily provide. Tanja Stadler explains why it is important to consider statistical uncertainty through describing the COVID-19 R value estimation which she performs for Switzerland.