Finding clues, testing evidence, uncovering secrets—it’s all part of the game at this month’s mystery-themed First Friday!

Join us for a night of “whodunits” and solve a historical forensics murder mystery. We’ll gather clues around the museum in your detective’s notebook and test our answers against a panel of experts. Play matching games, tour a new rare book exhibition about the science of blood, and enjoy chills and thrills…if you dare!

About First Fridays

Spark your curiosity while exploring the exhibits after hours! First Fridays bring together a myriad of activities covering everyday science, historical oddities, and everything in between. Grab your friends, and kick off an evening of discovery, surprise, and a little nerdy fun.

First Fridays at the Institute are always free and open to the public. Attendees will receive a 10% discount to National Mechanics restaurant.

More events

Book cover of The Maternal Imprint showing a pattern of colorful thumbprints
March 19, 2026
Programs, Lectures & Talks

The Maternal Imprint

This Women’s History Month, join us for a thought-provoking presentation by leading gender and science scholar Sarah S. Richardson.

dark blue graphic showing 52 Weeks of Firsts along with various mementos
March 21, 2026
For Families

Stories of Science: 52 Weeks of Firsts

Join us as we celebrate the invention of the first paper match folder in 1892—the precursor to the modern matchbook—as part of the Philadelphia Historic District’s 52 Weeks of Firsts.

Women in lab coat using a spectrophotometer
March 21, 2026
Drop-In Tours

Women in Chemistry Tour

Drop in for a tour highlighting the central role of women in shaping chemistry and the material sciences throughout history.

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