Armed with curiosity, patience, and all the right apps loaded onto a smartphone, anyone can become a citizen scientist. We talk with Anna Scott, a climate scientist who’s counting on Baltimoreans to help her measure air quality throughout the city with her project, Baltimore Open Air. And we also hear from USGS wildlife biologist Sam Droege, who tells us about the annual Baltimore/Washington Cricket Crawl count and how anyone can be a powerful asset in helping science collect big data.