Saturday, September 27, 2025
2:00 PM-4:00 PM
The Academy of Natural Sciences of Drexel University
1900 Benjamin Franklin Parkway
Philadelphia, PA 19103
What is a diatom and what does it tell you about the environment? What diatoms are living in our watershed? See some diatoms from the Academy’s Diatom Herbarium and discover why they are so important in a healthy watershed. Make a diatom keychain to take home.
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