Sigma Xi is the national scientific research honor society. The object of the society is to encourage original investigation in science, pure and applied.

The fields of activity of the society are the pure and applied natural sciences. These include the physical sciences, the life and agricultural sciences, the earth sciences, the medical sciences, mathematics and engineering.

The John Deere chapter (#250) is in the Quad Cities. The urban core consists of five principle cities: Davenport and Bettendorf in Iowa, and Rock Island, Moline, and East Moline in Illinois.


Our Research Presentations for 2019 will be held on January 29, 2019 in the Rogalski Center at St. Ambrose University.

Annual New Member Induction. This event was held on Nov. 15, 2018. After the induction ceremony, the program consisted of a one-hour presentation by Dr. Elizabeth Leininger,  Assistant Professor of Neurobiology, New College of Florida.
These photos were taken at this event.


Research Presentations. On Mar. 5, 2018 new associate members of the chapter presented their research results by either giving a talk or displaying a poster.
Here is the program. These photos taken at this event.