Explore the intersection of citizen science and Python in this 46-minute keynote talk from EuroPython 2018 in Edinburgh, UK. Discover how data-driven humanitarian and healthcare projects are developed using Python, and participate in audience experiments to gain hands-on experience. Learn about the potential of the scientific Python stack to make a real-world impact and be inspired to conduct your own experiments. Gain insights into how a little science and Python can contribute to meaningful change in various fields.