We knew little about the presence of pharmaceuticals in river waters, despite a growing body of evidence about their harmful effects on the environment. A large group of scientists addressed this gap by sampling 258 rivers in 104 countries on all continents:

💊 https://doi.org/10.1073/pnas.2113947119

All samples were collected using the same equipment, with strict adherence to a single methodology + all samples were delivered and analysed in one place! 👏 This is what #openscience looks like today!