THE ST. LOUIS BABY TOOTH SURVEY AND SILENT FALLOUT | THURSDAY, APRIL 18 | 5–8PM

In 1963 President John F. Kennedy signed the Partial Test Ban Treaty, which ended above-ground nuclear bomb testing and lessened dangerous excessive nuclear fallout in the atmosphere. These decisions were in large part based on the St. Louis Baby Tooth Survey, a project launched by scientists and mothers to measure Strontium-90 in baby teeth in order to gauge the environmental consequences of nuclear testing. See clips of the 2023 documentary Silent Fallout by director Hideaki Ito and hear a panel conversation with environmental historians, scientists, and individuals who truly drove grassroots change by mailing in their baby teeth to be studied more than 50 years ago. Join us for a special happy hour from 5:00pm to 6:30pm, where the STL Changemakers, a group of local high school students from across the St. Louis area, will present their own efforts to drive change in their communities in a series of pop-up displays.